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Cadillac CTS Maintenance and Repair

77 messages,  Last post on Nov 22, 2009 at 10:46 AM

You are in the Cadillac CTS/CTS-V Forum. Your Hosts are pat & karens

What is this discussion about? Cadillac CTS, Cadillac CTS-V, Auto Repair, Engine, Oil, Sedan


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#40 of 77
Re: oil life monitor [fscarano] by lionkooch
Jan 11, 2009 (6:13 pm)
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Replying to: fscarano (Nov 12, 2007 4:55 pm)

Sounds like a similar issue here....2005 CTS 3.6L bought used from Carmax with 18.5K miles. I changed the oil (Mobil 1 synthetic) and filter at one year and 28K miles (10K miles since last oil change) with 20% oil life left. At 35K miles and 32% oil life remaining, it started making a ratcheting noise, then the engine light went on. Long story short, I took it to the dealer, and he said the oil was low by 2.5 qts. I asked him why the low oil idiot light didn't go on and he had no answer. He said the ratcheting noise was likely an indication of damaged timing chains. Indeed they had to replace the stretched timing chains, about a $2K job, which was covered under warrantee. He said you can't trust the Oil Life Monitor and need to change oil at least every 5K miles. He said you can't go by what the owner's manual says. Any thoughts???
#41 of 77
Re: oil life monitor [lionkooch] by pao
Jan 12, 2009 (6:41 am)
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Replying to: lionkooch (Jan 11, 2009 6:13 pm)

well first I personally check oil levels at each gas fill up....so to me..driving a car that is 2.5 quarts low is an ownership issue and not a dealership issue.....I have seen where the early CTSs seem to use oil up to a quart between 3K oil changes.....you can probably do a search for the issue here
 
as far as not trusting the GMOL......I have three GM cars with it...and use it to the point of 25%, then do a change...using mobil 1 syn in the three cars....usually averaging about 6-7K between changes...which usually ends up being a change around 5-6 months.....
 
a statement that you cant trust the GMOL or cant by the owners manual to me is a travesty.......wondering what GM customer service...would say...or even the service manager at that particular dealership would say?...who specifically made this statement...the service writer, the tech or the service manager?...you only refer to "he" at the dealership
#42 of 77
2008 CTS Brake Issues by jmorg48
Jan 13, 2009 (7:23 am)
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Have a 2008 CTS purchased on Sept 1, 2008 with approx. 6500 miles on it. About a month and a half ago, the rear brakes started squealing loudly when approaching a stop. There is no squeal on hard stops. It is only occurring when approaching a stop (under 20 mph) and applying soft pressure on the brakes. I heard that there was possibly an issue with the brake caliper spring. Has been checked out by one dealer, and the mechanic noted no unusual noise on the ticket (obviously hearing impaired). When I take the car back in, I plan to demonstrate the squealing as it is quite loud. I can replicate the squealing under any conditions. Anybody having the same problems, and if so, what was done to correct?
#43 of 77
Re: 2008 CTS Brake Issues [jmorg48] by pao
Jan 14, 2009 (5:24 am)
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Replying to: jmorg48 (Jan 13, 2009 7:23 am)

09 CTS here..with the same problem..there is a TSB out to replace the brake pads and the caliper brackets......had the warranty work done this past Monday and corrected the problem...
 
#08-05-23-009 by replacing rear disc brakes and caliper brackets
 
Pad Kit part number 25997338 1 each
Bracket part number 25997457 2 each
#44 of 77
Re: 2008 CTS Brake Issues [pao] by jmorg48
Jan 14, 2009 (8:08 am)
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Replying to: pao (Jan 14, 2009 5:24 am)

Thanks for the info. Discussed with service advisor. Apparently this is a fairly big problem as he said that the parts are on national back-order. He also said that the replacement pads are much softer pads that would wear faster than the OEM pads. Also said that when these pads wear out and need replacing, they would not be covered by warranty. Seems to me that GM/Cadillac is refusing to accept full responsibility for the problem. None of my other vehicles, current or former, ever had problems with squealing brakes.
#45 of 77
Re: 2008 CTS Brake Issues [jmorg48] by pao
Jan 14, 2009 (11:33 am)
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Replying to: jmorg48 (Jan 14, 2009 8:08 am)

not sure I agree that GM is avoiding the problem....they admit the problem...came up with the engineering fix..and repairing under warranty....pads...softer or not...is relative to me..depends if they are ceramic, partial, or basic pads....not sure what the material is as I didnt ask....
 
my CTS no long squeals...Im happy....service department very proactive in ordering parts.......pads are a wear and tear item...I honestly wouldnt expect GM to give me a second set because they wear out.....now..lets see how long they last...my average brake job lasts me between 50-60K on my other vehicles..
#46 of 77
Re: 2008 CTS Brake Issues [pao] by jmorg48
Jan 14, 2009 (12:39 pm)
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Replying to: pao (Jan 14, 2009 11:33 am)

My comment might have been a little strong. You are correct in that they are taking care of the problem and that brake pads are a wear and tear item. I have also gone 50-60K on other vehicles before getting a brake job. Like you said, we will just have to see how long they last. I to will be happy when mine no longer squeals. Thanks again for the info.
#47 of 77
major repair oil cnsmption by fscarano
Feb 17, 2009 (1:57 pm)
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I have a 2004 with the CTS 3.6 engine. The oil consumption issue is getting worse. I have decided to repair the issue rather than accept the $4500 trade in the dealer will give. While the work is being performed would any of you have recommendations what else I should replace or have checked. The mechanic thinks the issue (oil consumption) is caused by the valve guides. I am also going to have him check or replace the timing belt/chain. The engine is very loud almost like clunking (hard to explain or describe the sound) Does the cam go in the engines. Any thoughts or advice would be greatly appreciated.
#48 of 77
'06 CTS Driver Door Rattle Upon Closing by robh3
Apr 28, 2009 (3:17 pm)
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Greetings all on this forum. I have a pre-owned '06 CTS with sport package that I purchased several months ago. Only 7,800 miles when purchased, and now 10,000 miles. It's Certified and under full warranty. This is my 3rd Caddy. First was a '94 STS leased in '96, second was a '99 STS leased new.
 
This is my first CTS. I love the car - EXCEPT - one nagging issue, which is that there is a vibration type rattle in the driver door that sounds as though it's from inside the door and it occurs upon shutting the door (only audible when inside the car, not when shutting it from outside the car). If it were any other door, I could probably blow it off, but since it's the driver's door, it's there every time I get in. Hence it's a nag.
 
Two different dealers have had the car. Neither can fix the vibration/rattle noise. They did replace the door handle latch assembly that is controlled by the inside door handle, so it's apparently not that. Bottom line is there's something in the door, or in the door panel, or in a part that is on the door (master window control unit, maybe?), that vibrates and causes a vibration rattle upon shutting the door. The noise is there for only a beat, but it comes off cheap sounding.
 
They told me they had the door apart, even removed the window, etc, and had their top guy on the case, but they did not find the cause.
 
Is there anyone out there who knows of this, and has found the solution? The front passenger side door does not do this. The dealer said they looked at another '06 CTS that was in, and that car had the same noise. They don't deny hearing the noise, but they can't isolate and fix it. If more than one CTS of this vintage has this noise, certainly other owners have heard it, so I'm hoping someone has dealt with it successfully,
 
I appreciate any input from my fellow CTS drivers.
 
Thanks,
Rob
#49 of 77
07 CORVETTE FOR 06 CTS - A GOOD EVEN TRADE? by xtranaut
May 30, 2009 (9:05 am)
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In 07, I rewarded myself with an 07 Corvette. I traded the two cars that were paid for and a little cas to get it so I owe 13k and have three years to pay at 346. a month. Lots of people envy that situation as most go out of a limb to pay 700 to 1000 bucks a month to own a Corvette. BUT I lost my job and my wife was diagnosed with cancer so I am being squeezed financially and watching my life savings dwindle. I took my issue and solution to many car dealers who had no sympathy and saw everything as black and white - not even willing to deal off their used car price to compensate for the dismal wholesale they offered my on my cvette (the car still smells new after 2 years and only 8500k miles) ONE dealer with a very real christian attitude went out of their way to find a late model car with like equipment, low miles and one owner and adjusted the price on their car to show more for my trade to make the deal. The car is an 06 CTS with 24,400. Its a one owner local loaded with power seats, moonroof, nav,6-cd bose, xm, dvd, xenon and sports package that included ltd slip and 17 wheels. It has a few dings bu nothing major. It's a great looking car but after reading all of the problems with oil use, rear ends, engine shutdowns, tire wear and lots of other rattles and shimmys, I am flat scared to do the deal and I know this car will be gone soon if I don't do it. I have had my vette listed by owner at a price less than dealers would ask but not one call. I KNOW my vette has been babied and without ONE mechanical problem as yet. Some of these Caddys are going into the shop for ridiculous stuff within the first six months. Having owned BMWs, Mercedes and Vettes, I am not used to a new annoyance so often. I need honest opinions. Is this something you would do if you were in my situation??? Many thanks.

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