Last post on Dec 05, 2013 at 7:06 PM
You are in the Cadillac CTS/CTS-V
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Cadillac CTS, Engine, Sedan
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#347 of 720 Oil Consumption Cause Finally Found?
Sep 23, 2011 (9:46 am)
I was out on another Cadillac forum and I read a posting from a guy who has a 2005 CTS that was burning a couple of quarts every 1000 miles or so. This guy obviously knows something about cars because he made a modification to his PCV vacuum tube (don't ask me to explain what he did), and apparently the engine no longer drinks oil. So that got me looking around again on the web and I went back to the old reliable: technical service bulletins on the CTS. Apparently one was issued in May 2011 that talks about oil consumption. Finally! Right? It mentions only 2006-2008, but I suspect this can apply to all of model years with the 3.6. At least we now have something to wave in the face of the dealership when they say, "Oh, that's normal" or "We don't know where the oil is going". See below.
Make / Models: Model/Build Years: BUICK / ALLURE SUPER 2009BUICK / LACROSSE SUPER 2009BUICK / RAINIER 2004-2007CADILLAC / CTS 2006-2008CADILLAC / CTS-V 2004-2005CADILLAC / ESCALADE 2003-2011CHEVROLET / AVALANCHE 2003-2010CHEVROLET / AVALANCHE 1500 2011CHEVROLET / COLORADO 2009-2011CHEVROLET / CORVETTE 2003-2007CHEVROLET / EXPRESS 2003-2011CHEVROLET / IMPALA 2006-2009CHEVROLET / MONTE CARLO 2003-2007CHEVROLET / SILVERADO 2003-2011CHEVROLET / SSR 2003-2006CHEVROLET / SUBURBAN 2003-2009CHEVROLET / SUBURBAN 1500 2010-2011CHEVROLET / TAHOE 2003-2011CHEVROLET / TRAILBLAZER 2003-2009GMC / CANYON 2009-2011GMC / ENVOY 2003-2009GMC / SANANA 2010GMC / SAVANA 2003-2011GMC / SIERRA 2003-2011GMC / YUKON 2003-2011HUMMER / H2 2004-2010HUMMER / H3 2008-2010HUMMER / HUMMER H2 2003PONTIAC / G8 2008-2009PONTIAC / GRAND PRIX 2005-2008SAAB / 9-7X 2005-2009Service Bulletin Number: PIP-4492P NHTSA Item Number: 10036464
BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SAAB: OIL CONSUMPTION AND/OR EXHAUST SMOKE. POSSIBLE PCV BAFFLE OR LIFTER CONCERN. UPON INSPECTION, OBVIOUS OIL WILL BE FOUND IN THE INTAKE MANIFOLD AND/OR PCV VACUUM TUBE. *PE UPDATED 3/21/11. *PE UPDATED 5/9/11. *PE UPDATED 5/25/11. *PE UPDATED 06/16/2011. *KB UPDATED A SECOND TIME ON 06/16/2011. *KB UPDATED 6/27/11. *PE
#348 of 720 Re: Buy american? [gmcustsvc]
Sep 24, 2011 (7:15 am)
Why is cadillac going to admit this is a crap engine? I dont think so . So can you at least tell me what years will go in my 05 with the least amount of change. I still owe 10k on the crap car. so it has to last till its paid of.
#349 of 720 Re: Anybody With Good News? [gm_bigot]
Sep 29, 2011 (12:11 pm)
No good news. My 2005 started using 1 qt every 1000 miles at 55k. I had to have the engine replaced at 87k (covered under extended warranty). New transmission at 125k, new cats/oxy sensors at 130k, new radiator at 150k, new coils at 160k. I now have an apparent ecm issue at 168k (car won't start; key won't come out). My 2005 Sierra has a similar litany of problems. After having owned GM products all 38 years of driving, I'm DONE!
#350 of 720 2012 CTS will have same problems
Oct 03, 2011 (12:12 pm)
what do ya think???
#351 of 720 Re: Anybody With Good News? [lww]
Oct 05, 2011 (11:39 am)
Could you please email me your VIN and current mileage? I would like to look further into your situation.
Caron, GM Customer Service
#352 of 720 Yet Another "normal consumption" car
Oct 05, 2011 (1:44 pm)
05 CTS 89k on it. Changed my oil before taking a short weekend trip (appx 962 mi.). Using Mobil 1 full synthetic, still I dont know why, got home from my trip and had to add 2 full quarts to TOUCH the dipstick. Usually between recommended service intervals my car ONLY consumes 2-2.5 quarts of liquid gold. THIS IS RIDICULOUS! This is just as bad as GM's transfer case problems, which they were fully aware of BEFORE they were put into production. Does anyone know of a VERY GOOD Corporate attorney that would be willing to file a class action lawsuit? I have a little moneyb to burn and would sure like to get the ball rolling. NEVER EVER going to purchase a GM product again, and will do anything I can to stop others. Tomorrow the car is going to be parked right in front of Dealer with a giant LEMON on the roof. I will be there telling everybody about GM's "NO RECALL OR TSB, so no problems exist policy.
#353 of 720 Re: Yet Another "normal consumption" car [klamper]
Oct 06, 2011 (11:23 am)
I apologize for the frustrations you have been experiencing with this concern. Have you taken your vehicle into your dealership to have an oil consumption test performed on it? If not, this would be the direction I would recommend towards resolving this concern with your vehicle.
GM Customer Service
#354 of 720 Re: Yet Another "normal consumption" car [klamper]
Oct 06, 2011 (2:31 pm)
I see GM is suggesting you have an oil consumption test done at the dealer. At least GM is doing an oil consumption test now. My service writer just shrugged his shoulders when I suggested the car was consuming oil. While it's good to know some folks may be able to avoid the hell I went through, you gotta know I wish I hadn't had to go through it myself. Oh well.........always blazing a trail here. Somebody has got to walk point.
I suggest you observe the strategy employed by mrvr2u mentioned earlier in this thread.
Oct 10, 2011 (6:26 am)
I have had the same problem with the Cadillac CTS and the oil consumption that I am reading about. My car is 6 years old and has less than 28k miles on it. I have had regular oil changes and now my engine blew. Cadillac doesn't care and I am out alot of money and basically have to trash this car (which is otherwise in mint condition). I will never buy a Cadillac again. I have already contacted an attorney and I am interested in filing a class action suit against Cadillac (GM). Who is on board with me?