2006 cadillac northstar engine problems. I need a 2006 Cadillac DTS firing order diagram.

2006 cadillac northstar engine problems Apr 14, 2009 · Only a portion of the problem. No amount of bolt length or thread pitch change can help that (which we are finding out as the 2000+ revisions begin to increasingly pop up here with hg problems). The engine idle quality is poor. Oil pressure sending switch 2. Stickies, marked with a push pin, are necessary, timeless info in any forum of interest. The CMP is/are inserted in the front end of the cam cover(s), pointing at one of the cam sprockets. 6. Forget it. helminc. 4L Supercharged Northstar V8 engine and GM’s new Hydra-matic six-speed automatic transmission. The NorthStar Engine should only "Use/burn" oil not leak it. Mar 12, 2013 · In 1994, the original Northstar (RPO L37) was joined by a second version (LD8), both displacing 4. 6l from 1993. While it is known as a luxury sedan, no car is perfect. Driving to work, the check engine starts blinking. About 8 months ago she started overheating with the gauge jumping up to the top and the message near the odometer saying that it has shut down the a/c then said to shut the engine off. Apr 4, 2013 · No way. I think it is one of the greatest engineering developments of the century. Jun 10, 2015 · Re: 2006 DTS check engine light, service stabilitrak and service traction control HEL Check the intake manifold bolts as grunion said and also check the hidden un-unsed and capped nipple down and to the left of the power steering pump which is also on the intake manifold - they are prone to splitting and was the cause of my own exact same issue. com who contributed to past posts regarding Northstar engines head gasket replacement. Has 119, 900 miles on it. Feb 17, 2022 · Why I didn't include the Northstar on my infamous list. com DVD or paper service manuals - you might be able to find one of those on eBay. Mar 18, 2018 · I opined in his thread in "DTS" that the 2006 and later Northstars seem to have more chain/guide problems than the earlier engines. Owners often report significant coolant leaks, leading 2006 Cadillac XLR engine problems with 3 complaints from XLR owners. You can buy it at Walmart. We have been repairing these engines for 15+ years and this has Explore common issues with the 2006 Cadillac XLR, including steering sensor failures and gas cap problems. Jan 9, 2006 · A healthy Northstar will use a quart every few thousand miles, and a drip or two overnight won't really affect that. I’ve got a 2000 Cadillac STS WITH 150,000km (90,000 miles) I’ve owned it for years trouble free. Apr 14, 2021 · This is a video showing how we repair our Cadillac Northstar engines without using inserts. I am looking for second opinions because he thought it probably was the head gaskets and that the cost would be over two thousand bucks. 2006 CADILLAC DTS 4. The shop wants $800 to fix. Jul 30, 2014 · anything 03 and older have HG problems, the updates they did in 2000 pretty much did nothing, we do so many 2000-2003 Deville/Seville/Eldo's it probably is even with 97-99 Northstars. It had a significant impact on performance and luxury vehicles during its production years. Jul 31, 2015 · Over the years I've had so much being said about the Northstar engine and why they fail and from what year it is safe to buy them, I've heard 00 and I've heard 03 and I've heard 04 and 05. The 2006 Cadillac DTS marked the debut of this model, but unfortunately, it came with several first-year production issues. 6 V8's. Not good. Aug 5, 2007 · Someone who works on Northstar engines said the overheating problem on my 1994 Cadillac STS is due to one of 3 problems – a bad water pump, bad head gaskets, or a bum thermostat. CADILLAC 4. 5. Your 2006 "DTS" is a different car - in many ways - from Parker T98's STS. 4. It's never just one fault. Apr 28, 2022 · The 1st and only generation of the Cadillac STS debuted for the 2005 model year after it branched from being a high-end option for the Cadillac Seville. Explore 15 common problems for the 2010 Cadillac DTS, including oil leaks, sensor failures, 2006 Cadillac DTS problems (19) View all. If the engine starts immediately then something is flooding the engine such as the FPR or a leaking injector. So I bought a Corvette. Not enough post-2001 units in the field to fail yet. to/h/crG/Top 5 problems with the Cadillac DTS? Andy has your answer right here! In this video, Andy reviews the top 5 NORTHSTAR HEAD BOLT REPAIR #1: The early 2000's Cadillac Northstar engines have had a bad reputation for a long time. The most problems I've seen have been front cover and oil pan leaks, radiator leaks, P/S resevoirs on the early '04's before the redesignmostly powertrain related issues. ALSO Jan 17, 2011 · As a casual observer who will be on the hunt for an STS-V in a little over a year, I am impressed with the lack of "Northstar issues" reported here in comparison to the older, FWD engines. Previous topic - Next topic. 2006 Cadillac DTS problems (19) View all. Links Below: Cadillac Northstar engines are known for overheating. You may experience … Oct 4, 2024 · Lastly, the 2006 Buick Lucerne Northstar V8 problems include issues with the cooling and oiling systems. It’s the 3rd Northstar powered caddy I’ve owned, I’ve never had any head gasket or electrical problems. NO internal combustion engine is immune to gasket failures occasioned by any of a number of causes. Jan 26, 2024 · northstar 4. Without going into this kind of debt, is there a reliable time tested stop leak that won't hurt our sensitive motor? Apr 7, 2011 · On the other hand, when the crankshaft position sensors fail, they don't usually cause the massive problems you're having - usually it's more just stumbling/stalling when underway. By design, the northstar is a decent engine. Despite its prowess and upscale positioning in Cadillac’s lineup, these design flaws have been a point of contention for many owners of the said engine. I absolutely love the Cadillac product, but every issue I have had with my DTS has been an electrical one - headlight ballast, heated seat module, air suspension compressor, and this stalling issue- all have been caused by very poor electrical design and substandard wire materials in the electrical system. 2006-2011 1995 Seville Touring The GM Northstar L37 engine was the original Northstar powerplant, and was produced from the 1993 model year through 2011. 1 seconds with the 300hp Northstar V8, which is quite close. Everything you mentioned contributes to the notorious HG problem. In 2006, the extensively redesigned Northstar 4. My northstar (2001 Deville) has got about 185tml in the odometer now and not having issues other than minor oil leaks. My Lastest Cadillac is a 2019 XTS Luxury. Northstar: A Late Bloomer. Oil often won’t just be leaking from the oil pan but also the engine. When shopping for a used car, one of the most important things to consider is the engine. I HAD a 2006The head gasket blew and now I am without a car. The repair is more than the car is worth. Early versions had some serious head gasket problems — the aluminum block and head bolt threads just didn’t get along. 1998 Cadillac Deville, Northstar 32 Valve V8, I have to add about a half gal of antifreeze about every 10 days (drive Leon ASE master technician, 30 years experience Jun 4, 2011 · Engines; Northstar and/or Tech Tips forums. Stickys are timeless info for every owner of the vehicles/systems in a vehicle thread. Jan 18, 2022 · I just traded it in with 158,000 miles and it ran like a champ, No Leaks No Engine Problems, Perfecto Mundo. I learned a lot from the northstar section in this forum. I wanted a Cadillac Dealer, with the best engine techs to do the work, and wanted the best head stud kit installed (SureGrip) to fix forever the Jun 17, 2014 · That's what I'm trying to say actually. But I owned a Cadillac Fleetwood in my 30's, 40's, And 50's. ) Nov 27, 2017 · site. 6L Engines. 6 engine is said to be far better from 2003 on up with much improved head bolt and intake/head gasket design. I WILL not be willing to do body work at all. 6 Northstar. told my son this is a common thing with 2006 to 2010 Cadillac and if this is the case the motor has to come out of The Northstar engine was a family of high-performance powerplants produced by General Motors from 1993 to 2011. 7L northstar engines. Regular maintenance can help but doesn’t eliminate these common problems. 6 Liter Engine 1994-2011 is a V8 engine designed by Cadillac, a division of General Motors, for use in their luxury vehicles. I would never have bought a Cadillac had I known. Mar 11, 2018 · Curiously, the 2006 and later Northstar seems to suffer more from timing chain related problems than the earlier engines. Dec 8, 2009 · Hi, As I know this syndrome was common in 98, 99 N*, and finally Cadillac has come up with some modifications, and they updated N*, and I guess you have the modified engine on your 2002 eldo. I'm pretty sure that the engine will run OK on just one of the following: either crankshaft position sensor or (even just) the camshaft position sensor. 6 waterpump help Please Alldata is an online site that hosts the GM/Cadillac service manuals for your particular car - by subscription. Feb 23, 2006 · Cadillac Seville STS Northstar 4. But I don't want to be unlucky with the engine. Oct 19, 2015 · Please read the non-scientific poll on Northstar engine/gasket failures in the stickies in Engines; Northstar. Also, it reduces oil consumption and loss. My Northstar engine, that has known head gasket problems, has gone from the most negative part of the car to the most valuable. Film strength over 2,000 psi. ANY car can have problems so, as a used car buyer, the onus is on you to make sure your prospective purchase is either a creampuff or a ripoff. One of my daughters drove a 5-speed Honda Civic hatchback to over 250,000 and the engine was never opened. Now I got a P0300 code random misfire. Jul 18, 2021 · 1. It is the standard engine in the high-performance XLR-V roadster and STS-V sedan. Jun 17, 2020 · Well this must be a 2006 thing with the 4. Regarded as GM's most technically complex engine, the original double overhead cam, four valve per cylinder, aluminum block/aluminum head V8 design was developed by Oldsmobile R&D, [citation needed] but is most associated with Cadillac's Northstar series. Every single mechanic in my area just say "headgasket" if you tell them that your Northstar is running hotter than usual or losing coolant, I've been told about needing new headgaskets more than a few times throughout the years and so far every one of them is a lair (once for leaking water pump, once for leaking overflow tank, once for worn radiator cap Dec 1, 2014 · Can anyone tell me--Has Cadillac cured the problem of the oil leak on NorthStar engines---I am on my second "DHS" which I love---Thinking about buying a latter model--say 2008 or 2009. Mar 17, 2021 · Symptoms of Engine Oil Leaks. 2. When that occurs the engine cools to 213 and the cycle repeats. I need a 2006 Cadillac DTS firing order diagram. A cornerstone of older Cadillac models, the Northstar engine was hailed for its cutting-edge technology, becoming synonymous with the Cadillac brand. Explore common problems with the 2007 Cadillac DTS, including oil leaks, sensor failures, and coolant issues. 2006 – 2011: Cadillac DTS Performance: 292 / 218 @ 6300: 288 / 390 Feb 8, 2012 · You have posted in the wrong forum. Some of the most common Northstar problems are pretty serious and expensive to fix. Jun 29, 2015 · Hi everyone. Jul 8, 2016 · My friend had head gasket problems on 1999 Eldorado we found a guy upstate NY , he specializes in installing the new conversion stud kit's , he pulled the engine drilled and installed studs nice custom job , steamcleaned , tune up and seals the job was $3800. I will not buy another. This is a temporary solution to a well-known Dec 23, 2022 · Do Google searches for "cadillac forums northstar purge line" and "cadillac forums northstar water pump tensioner pulley". Jan 19, 2018 · A fella at work who knows a lot about cars & engines told me a problem with some of the Northstar 4. Jan 30, 2011 · I personally believe it is a problem with inferior alloy/casting processes. Mar 20, 2013 · Hello to everyone. Nov 19, 2017 · The XLR folding top was designed (and built) by the same company (CTS - Car Top Systems) that supplied the SL's top. rear-wheel-drive and front-wheel-drive Northstars will simply not interchange, many, many differences there. Also says, 3 codes, 6 global. I just bought a 2002 Seville SLS with 56K mi. Please note that I did not say "common problem". (Deville went away after 2005. Your 1994 flat tappet (non-roller cam) engine is what it is. You and I both know this- it's just that the majority of Cadillac owners who've bought a used Northstar powered car won't know all of this. The Cadillac DTS is a full-size luxury sedan that is produced by Cadillac and was the largest luxury car for the 2006 model year. The worst complaints are oil leak, service engine light is on. If the A/C is running then fans should run in SLOW and the temp gauge should stay very close to centered. Since a few weeks I had some serious problems starting the car. 6L engine. Car has a miss in cylinder 4. The RPM wont go past 3000 RPM, vehicle immediately cuts off when foot is off accelerator. Extensive descriptions and diagnostics in the online Cadillac/GM service manuals in www. Mar 29, 2020 · 41-987 is the correct plug for your engine. Jun 2, 2019 · Re: 2006 Northstar 4. However, while the car was being shipped to me I went on a fishing trip. Sep 23, 2004 · The oil pan is leaking on my 80K 4. Jul 1, 2007 · Hello everyone. of torque at 3,900 rpm. In my opinion, the DTS looks better, handles better, and got all the later refinements of the Northstar engine, and among other improvements better brakes. He claimed that GM's "fix" was to offer coolant "pucks" to add to your coolant to stop erosion of the engine block. And really nice in power and smoothness. They finally said that was how the engine was designed and they could not fix it. Jun 21, 2023 · 2006-2009 – Cadillac XLR-V; Northstar V8 Common Problems . Study the pertinent stickys, marked with a push pin, in this forum and in Engines, Northstar. It's a combination of these all. Its frustrating because we really love the look of the Cadillac and there is nothing else on the market like it, but after our experience with the Northstar we are hesitant in having to deal with the half case seal again. 6L northstar I have bottom crank lined up 12:00 and 06:00 all 4 upper cam sprockets are at 90', Cylinder #1 TDC. 6-liter Northstar V8 churning out a smooth 320 ponies for those who expect a little Sep 10, 2016 · the problem with the head gasket on earlier northstar engines is that the bolts can't be reused to bolt the head down. problems that Cadillac fixed but they could not get rid of a vibration at idle. which is a northstar engine and is Jun 11, 2010 · However, in 2005, Cadillac engineers gave their Northstar a boost when they introduced a new 4. 5 days ago · 2006 DTS problem(s) Started by 1960Seville, September 22, 2020, 01:14:02 PM. Good piece. Originally intended to exclusively power Cadillac models, the Northstar was Feb 25, 2006 · Do not buy another Cadillac. If you want to avoid Cadillac Northstar engine problems as much as possible, you must keep up with maintenance and act as soon as you see issues to prevent them from turning into something far more extreme. Whether you drive a Deville or a Seville, a DTS or an STS, an XLR or an SRX, and Eldorado or an Allante. 6L engine (RPO LD8, VIN 9 or RPO L37 VIN Y) may exhibit a condition in which they cylinder head bolts may become loose and cause coolant leaks and Feb 23, 2012 · I am planning to buy a used 2006 or newer DTS 1SD. Sometimes it goes solid, but for a few seconds, then back to blinking. alldatadiy. He claims that the earlier engine block castings were prone to fail due to porasity in the casting. In My 60'S I own a Cadillac DHS and a Cadillac DTS, always the top of Jul 9, 2012 · Not all Northstar V8s will blow their head gaskets. Oct 27, 2024 · The Cadillac Northstar engine offers strong performance but is known for issues like head gasket failure, overheating, and oil leaks, often requiring costly repairs. I think you remove the entire front end - grille, crossmember, radiator, any other interference - and work it up and out frontwards. They blame one simple thing- headgaskets. I change the coolant yearly and oil every 6-7km. I checked the oil level last night, it was to the top of the hash marks. Bank 1 is the right (rear) bank, cylinders 1,3,5,7. Apr 20, 2020 · Idling with no A/C compressor function set will allow the engine to warm to about 224 degrees before fans go to SLOW. Most mechanics and dealers are aware of the problem and this alone keeps resale value down on used Caddys with Northstar engines. Oil filter gasket itself 3. Ouch! Standard procedure for this problem is to pull the motor and replace the dual pan setup. 1997 - 1998 - 1999 had block metallurgy troubles, 2000 had head bolt thread length problems. GM fixed a lot of these problems in the 2000 model year, but earlier engines are known to develop leaks around the main seals and valve covers. And not so hard to work on. $2K. Nov 10, 2022 · The below Northstar engine models you should consider avoiding: 1993 – 1999 Northstar L37, 1994 – 2002 Northstar LD8, 2004 – 2005 Northstar LH2, 2006 – 2009 Northstar LC3. A drop in engine operating temperatures. I later found this is a common problem with Northstar engines. Jun 25, 2021 · P 0411 may point to AIR check valve flow problems or a leaky vacuum supply. 7. H Aug 21, 2014 · In order of what's posted throughout this site by frequency - 1. Jul 6, 2010 · Future readers please note this condition is pretty much unique to 2000+ model Northstar engines. You have to keep in mind that a vast majority of people come to the forums to complain or seek help for a problem. (And I think this applies to 2006-2011, and I think any Northstar engine. 6L 270hp Northstar Concours. Probably impossible to predict chain/guide life with any accuracy. You can identify the main engine seal on the DTS (DeVille touring sedan) Cadillac engine. To check for the cause of the cold start, loud ratcheting type/ clicking type noise concern: Aug 29, 2007 · Crankshaft Position Sensor Replacement 2000 to 2005 Removal Procedure Caution: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist. The 2006 Cadillac DTS has 38 NHTSA complaints for the engine at 80,089 miles average. most 04 and all 05+ have the updates head bolt thread pitch, these seem to hold up pretty well but we still have had a small hand full come in with pulled bolts. There are few that praise their cars. 6 l v-8 engine Jump to Latest 1. 000km) Problem: It all started with Traction Control Disabled When starting and driving the car it always showed traction control disabled. On the older v8s, a rad could be only half full and the pump could Jun 3, 2024 · The Northstar V8, especially the 1996–1999 versions, was known to be fraught with issues, with many of those issues revolving around some of the engine's complex overall design. Therefore, it has a specific seal which is the particular seal. There are no differences. The best group was the 2004 and later. Don't know which module to replace. 2007 Cadillac DTS problems (17) The engine block of the Northstar Cadillac engine undergoes excessive leakage, which reduces the oil level. Used computer at Advance Auto, says misfire in cylinder 4. Unlike the old v8s that are usually located on the front in centre of engine. The purge line should flow a constant small stream into the surge tank whenever the engine is running. Oct 28, 2007 · Here is the Definitive Northstar Headgasket Thread. Northstar engines in good condition do not need Lucas or any other snake oils. Feb 17, 2014 · The 04 Cadillac SRX, XLR 4. 6 engines will eventually experience the same seal failures and oil leaks. First of all, you should use the ORANGE Dexcool Antifreeze, not the green stuff. Get owner experiences and repair insights at RepairPal. 4L V8 supercharged VVT (RPO LC3) was developed from the 4. The CAR WIZARD 🧙‍♂️ knew he was taking Feb 20, 2020 · My guess is that the engine is already ruined. Driven for two days and I love it. This might have occurred around 2006 but I don't know for sure. 2007 Dec 16, 2010 · Fixing any small leak as soon as possible is important. No one - no one - comes here to post "I love my engine!!!". Below are their common problems. You might snoop around upstairs and see what the johnny-come-latelys are saying. 3 days ago · 2006-2011 (FWD) - any 2006-2011 Northstar will interchange. these 08 Cadillac Dts 4. I do know that Cadillac was still advertising the 292 HP engine as a "300 HP" engine in 2004 (my wife's 2004 DTS had "300 HP" on the engine cover) but her 2008 high-performance DTS has no HP rating on the engine cover. etc. It uses three sensors (potentiometers) to determine position of the front and rear tonneaus, and the folding top, in addition to some switches to indicate open/closed conditions for the rear deck Apr 24, 2006 · These leaks are only niusance leaks and usually don't get worse. 6L V8 (LD8/L37) Report; After my idle problem, it wouldn't go much higher than 40-50 MPG when slowing. I have had numerous problems with the engine and had it fixed. One question, are all four locking cam pins on the bottom of the cam sprockets. Duhhh:cookoo: age is catching up with me!! Thanks to the support members of this board and AJ I could gasp the concept and that part I believe went well. Oct 2, 2004 · To test for a rich condition causing a hard start warm/hot hold the throttle firmly to the floor before cranking and keep it firmly depressed when you crank. Mainly the head gasket issues, which plagued pretty much all generations. Those who know about vehicles will be far more familiar with what to anticipate in their Cadillac Jul 30, 2020 · If you are wondering if the Northstar engine is good or bad, this might be confusing, since the engine has been utilized in so many cars. As a former owner of a self-destructed Northstar, I was a bit hesitant to get back in the game, but the early returns seem very encouraging. Nov 11, 2015 · Engine: Northstar 4. 4-liter V8 Northstar engine. Dec 1, 2020 · If you drive a Cadillac with a Northstar 4. There were several changes. Feb 24, 2011 · It had many mech. (and the thread has been dead for 10 years) The OP said his ticking came from the front of the engine - probably VVT problems - which your engine does not have. Just trying to avoid giving birth to yet another Interent urban legend related to these engines. Your 2004 transverse Northstar bears little resemblance to the OP's 2007 VVT longitudinal engine - VERY different vehicles. They have now discontinued that engine so I guess I was not the only one with problems. with same leaking problem, the northstar engine has this problem since 1998, on all their models Apr 3, 2008 · Consider that your post is the first in CF to ask a headgasket question for an engine after 2001. Meanwhile, the standard XLR received a significant transmission upgrade in the 2007 model year, shifting from a 5-speed to a more robust 6-speed. Get insights and repair resources at RepairPal. As far as the top, the problems I've had are few and far between. 1K views 4 replies 3 participants last post by ConnerJochum Jan 27, 2024 Mar 29, 2024 · Avoiding the Cadillac Northstar Problems. The worst complaints are lights, engine, and electrical problems. Fresh oil change and purolator filter. Jun 25, 2023 · For instance, the XLR-V, introduced in 2006, came equipped with a powerful 4. The northstar coolant pump location is very high up on the engine. 41-950 was for the pre-2000 Northstar. When my 2006 DTS with only 48K miles started to overheat and my local shop said it was a head gasket issue, I came here to learn everything that I could about repair options. 2006 Cadillac DTS engine problems with 67 complaints from DTS owners. (Page 1 of 2) CarComplaints. Since this site started in early 2002 we may have seen 1% of those engines with problems. ? Jul 17, 2020 · Posts 5 and 6 moved from a hijacked thread by Parker T98 in Engines; Northstar. Has the Northstar engine been redesegined to avoid head gasket problems like on past Cadillacs? Oct 8, 2019 · Agreed. We wouldn’t recommend that here at RB Auto Service. Had my 2006 DTS for about a month now, put around 400 miles on it since I bought it. Mar 30, 2008 · I got the engine back together after initially having trouble understanding how to time the cams. No oil pressure, cold sub-freezing running, dry bearings, knocking. It developed the common valve seal problem at 100k and mom traded it (on the Cadillac actually). The worst complaints are engine misses & car dies when slowing, oil pan leaking oil. 6L (LH2) Northstar engine cold start, loud ratcheting type/ clicking type noise may be caused by the cam phaser lock pin failing to properly engage. Honestly, the XLR's implementation of the folding top is craptastic. If it is the pan rather than the halfcase, some people have had success in significantly reducing it by pulling one bolt at a time, spraying the bolt and the block threads with BrakeKleen, then reinstalling the bolt to the proper torques setting after putting some Permatex thread sealer on it. 9 V8, the 1997 Cadillac deville Concours posts a 0-60 time of 7. The Cadillac Northstar 4. I've heard something about the bolts that hold the top and the engine together, tha they were too weak, I've heard corrosion because someone didn't replace Jan 12, 2021 · Hi in this video I will show you the real problem for your overheating problem Sep 26, 2024 · 2006 Cadillac DTS. I think a lot of the issues are a lack of maintenance. On some '04 and '05 engines there may be an engine oil leak from the front cover of the engine. But I'm a dummy, check with your dealership or competent mechanic. Read the non-scientific poll results in the sticky in Engines; Northstar. A Failing head gasket at 115K miles is not a problem on the 2007 northstar engines because by 2007 Cadillac switched to better head bolts that allow the head to be removed and replaced. Tried a few times, you could only hear a few clicks from the starter motor (I The Northstar engine series is a family of automobile engines designed by General Motors. Nov 17, 2010 · Guss put the engine back together perfectly, the first time, no returning for re-fix, ready to run for years and miles to come. com: Worst 2006 Cadillac XLR Problems #1: Oil Leak 2006 XLR Average Cost to Fix: $6,000 Average Mileage: Apr 29, 2009 · Knowing what I now know about the problem I would never buy a used Cadillac [Northstar engine]with substantial miles from a private owner and would want an engine warranty if buying from a dealer. The Devilles were more of the traditional Cadillac ride and feel, but the DTS's have a more modern feel (good or bad, that's up to the owner). The base engine consists of: An all-aluminum engine block and cylinder head Dual Overhead Camshafts (DOHC) Variable Valve Timing (VVT) Sequential fuel injection Engine options on the Cadillac STS include a refined new 255-horse V6 as the standard motor, and the optional 4. I loved that car and hoped to have it a few more years. Explore common problems with the 2006 Cadillac DTS including oil leaks, sensor failures, and coolant issues. I like the later real DTS - Deville Touring Sedan - and do not like the 2006+ wannabe "DTS". CarComplaints. The 2006 Cadillac DTS has 368 problems & defects reported by DTS owners. This enables clear flood and turns off the injectors. Thermal Stability at high temperatures. Their solution to the problem was for me to buy a new Cadillac. We had a 2-valve version of the Ford engine in a '92 Crown Vic. Is this true? Feb 25, 2006 · My Lastest Cadillac is a 2019 XTS Luxury. The engine is designed with a top and lower half—not just the heads and the oil pan—and oil can leak from here. ) Oct 30, 2010 · That reduced the chances of bolt clamping pressure loss and the resulting gasket failure to that of about any other internal combustion engine. You should consider avoiding the following models from the Northstar engine lineup: 1993 – 1999 Northstar L37; 1994 – 2002 Northstar LD8; 2004 – 2005 Northstar LH2; 2006 – 2009 Northstar LC3; Oil leaking was a major problem with the initial Northstar V-8 from 1994 to 2001. Thus if you run low on coolant, the northstar coolant pump will pump nothing. 00 car runs great . When I was 20 I wanted a Cadillac but I could not afford it. 3. All Northstar 4. The worst complaints are cooling system, engine, and brakes problems. A cleaner engine. Like all engines, the Northstar requires proper maintenance to stay in good condition. The biggest single problem that many issues stem from is lack of use at full throttle by the owners. Hundred times more durable engine than any european engine for starters. Mar 7, 2021 · For More Info visit us at: http://1aau. Better circulation and cooling in an engine. May 8, 2013 · I didn't learn about the 3. Head gasket issues yes, but that was resolved for the 2003 model years and above. Searching automotive forums online will return suggestions that you use an OTC leak stopper to fix the problem. Dec 21, 2010 · They even removed the "300 HP" label from the engine cover. 0L engine (RPO L47, VIN C) and Cadillac Seville, DeVille and Eldorado model vehicles equipped with 4. 6 oil consumption til now, and now im really averse to getting a GM car with the 3. There's already a lot of info on this in the original thread in "DTS". I now have a true performance gem of an engine with strong reliability. High temperature and continuous use can Oct 31, 2024 · In this video, Jake dives into the common problems and reliability of Cadillac’s Northstar engine, a powerful V8 that was popular in models like the DeVille, Aug 12, 2013 · 06 STS engine problems. Failure of all the O2 sensors is an off-the-chart possibility. For example, the 1992 Cadillac deVille Touring Sedan posts a 0-60 of 7. The Northstar gets a bad rap from mostly owners who neglect maintenance. A side-mounted supercharger is almost out of the question. The official power ratings for the 2006 STS are 469 hp at 6,400 rpm and 439 lbs. 6L Northstar camshaft position sensor Camshaft position sensor problems aren't common, but the unit is on the belt drive end "front" of the engine, in the face of the right cylinder head, just below and rearward of the power steering pump. Bank 2 is the left (front) bank, cylinders 2,4,6,8. The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. Cadillac Northstar engine problems. I was driving to work today, and at about 45mph on my DIC I see the message "Engine Oil Pressure Low, Turn Off Oct 25, 2020 · Your Northstar, like many "modern" engines, is fitted with a pressurized surge tank instead of a coolant recovery reservoir. Nov 10, 2019 · The failed head gasket caused by cylinder block head bolt hole thread failure is GREATLY reduced after 2000 and almost non-existent after 2004 or so. . The Northstar has been used in several cars in the GM lineup, including the Cadillac Seville, Buick Lucerne, Pontiac Bonneville and Cadillac Eldorado. I don’t get it why northstars get so much hate. Nov 17, 2007 · engine oil leaks I haven't seen any cam cover seals leaking on the LH2 series Northstar (that doesn't mean that they don't leak). Jan 30, 2014 · I currently own a 2006 Buick Lucerne (Northstar 4. This Deville had a slow coolant leak & a history of overheating due to a failed water pum However, with the 2006 Cadillac DTS, there's a special process to fill your antifreeze. You cannot, under any circumstances, put a 2006-2011 engine into a 1993-2005 car. 6 L) with the following issues: Car won't start unless Im holding the accelerator to the floor, if it starts it stumbles terribly and has no power. I did notice that the hose leading to the thermostat was rock hard, so I replaced the 1 day ago · The Northstar engine, produced by General Motors and most often associated with Cadillac, was a groundbreaking development in automotive technology. Your engine may have two CMPs. May 18, 2008 · The Northstar engine was designed/developed/validated to be run hard. fancy cady, Welcome to CF !!! - but please keep your questions on your problems in your own threads. ? Mechanic's Assistant chat Customer: How good is the 2006 Cadillac DTS Northstar 4. There is an updated front cover and gasket; part #89017798 cover part #12593627 gasket Bulletin #05-06-01-015 Bruce Jan 5, 2013 · Sigh, where to begin. Engine Failures: One of the most notorious problems with the 2006 model is related to the Northstar engine, particularly oil leaks and overheating. How good is the 2006 Cadillac DTS Northstar 4. It's a LOT cheaper than the www. com : Car complaints, car problems and defect information Aug 7, 2006 · General Motors has decided that certain 1999 Oldsmobile Aurora model vehicles, equipped with 4. 6L V8 Spark Plug | Shop Now at RockAuto Ignition Parts and More for Your 2006 CADILLAC DTS at Reliably Low Prices. Knowing which Northstar engine years to avoid can save you from costly repairs and headaches down the road. Please discard Corporate Bulletin Number 09-06-04-032 (06 - Engine/Propulsion Oct 31, 2024 · Even though it’s an engine that is known for its head gasket problems, it also boasts desirable features that are related to performance applications. Sep 1, 2015 · 2006 Cadillac dts 4. 9. Oil underneath the car or dripping from the oil pan or engine; Causes of Engine Oil Leak Problems on the 2006 to 2011 Cadillac DTS. The years 1993, 1994, 1997, 1999, 2002, 2004, and 2006 are the Northstar engine years to avoid. All of these engines will experience lower crankcase seal leaks, oil pan leaks, valve cover leaks, and rear main seal leaks as well as leaks from The 2007 Cadillac DTS has 13 NHTSA complaints for the engine at 89,975 miles average. Synthetics reduce wear of an engine. Oil pressure can disappear entirely on early 1993 to 1994 engines, as a result of debris caught in the the finicky oil pressure Mar 29, 2006 · IMHO, if GM would have put a Gen3 engine in it, the car would be perfect. I previously owned a 1999 Cadillac Seville with 195k miles on it. 2006 Cadillac DTS Glacier Gold Tri Mar 30, 2008 · Re: 4. (run around 170. There were over 2,000,000 Northstar cars built. com . I own a 2006 Buick Lucerne with the 4. If you have never had a problem please do not participate in the poll! May 25, 2006 · As a matter of fact, the highway performance of the Northstar is very close to the around town performance of the 4. It just doesn't like to be babied around. Oil filter adapter O-rings/composite seal plate (depending on year) and (if fitted with V03) - oil cooler lines Feb 26, 2013 · I owned 7 Devilles total, with 4 being 2001-05. Both my 2000 & 2001 had the oil leak problem---Just wondering IF CM has cured this problem--My mechanic says he can cure it BUT it will cost approx. Both the Ford and Cadillac engines are good engines. THer is, however, one dude over in the Northstar forum with 540,000 miles on his BONE STOCK Northstar. It was expected that people would use the performance of the engine - which few people seem to do. A good name brand synthetic 5W-30 is all they want or need. On the trip my cousins husband told me he had a 1999 Seville STS that had a engine failure at 50K mi that required a $6k fix. Here's a 1999 STS Northstar, belonging to a CF member, that was highly modified and turbocharged for a final total cost of over $18,500, run for a while, detuned for the street, and sold in our Classifieds. 6. Premium Member May 13, 2010 · 2000-2004 - any 00-03 will bolt into an 04 body, or any 04 engine will bolt into a 00-03 body but you will need to change camshaft covers, ignition coils, knock sensors (drill & tap a hole for the 2nd knock sensor for a 00-03 engine to go into a 2004 body), and keep the oil filter mount with the engine it came off of. Maybe a Google search for "cadillac forums 1998 deville engine removal". Look at the head gasket poll in the Engines; Northstar stickies. The 2005 Cadillac DeVille has 10 NHTSA complaints for the engine at 108,434 miles average. 6 engine, any recalls, etc. Far and away, most of the Northstar's issues have to do with oiling. This post covers the most common Cadillac STS problems for model years 2005 to 2011. 4 seconds with the 200hp 4. Being 70, I will never put 158,000 miles on it as it only has 25,400 miles on it now. Save Share NHTSA — Engine Problems. You can juggle that two ways: 1. A neighbor had essentially the same car, same year, and it blew the engine at somewhere near 60,000. GM made the Northstar engine from 1993 to 2011. 1981 Cadillac Eldorado Biarritz TS 2006 Cadillac DTS Jan 17, 2010 · Subject: Check Engine Light On, DTC P1101, P0068, P0171, P0174 (Reprogram ECM) Models: 2004-2006 Cadillac SRX, XLR 2005-2006 Cadillac STS Equipped with Engine RPO LH2 Please Refer to GMVIS Supercede: This bulletin is being revised to change the labor time information. 6 Northstar because on the Cadillac forums the 4. -ft. and the weather in Cleveland isn't going to get very warm any time soon. Please choose your year of Cadillac and state if you have had a headgasket problem with your Seville or Eldorado and what mileage it occured at. Get repair insights and service options on RepairPal Nov 29, 2017 · Re: Northstar Camshaft Sensor Depends on the engine year/application. Explore common Cadillac XLR problems including steering sensor failures and check engine light issues. 6L. Oct 19, 2020 · I’d like to thank all the folks on CadillacForums. Jul 27, 2013 · The thing is that Cadillac made upgrades to the 2006 NorthStar Engine to stop the head gasket and oil issues. However, the complexity of Northstar engines meant they quickly became notorious for head gasket failures. They fixed the problem. And with the ‘Northstar Condition’ affecting Nov 17, 2010 · My research took me to the SureGrip Head Stud Kit fix as I insisted on a stud fix, not the failed design of a bolt down head bolt into aluminum block system that came with the Northstar 4. 6 engine, you’ve probably found yourself dealing with a nonstop oil leak. A hollow bolt/nipple at the high point of the water crossover connects the purge line to that surge tank. Exceptional viscosity flow. Just make sure the engine VIN code (Y or 9) are matched. 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