2008 STS Blown rear end, Brake lines rusted out
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Cadillac STS Forum - 2005 through 2012 Discussion, 2008 STS Blown rear end, Brake lines rusted out in Past Cadillac Vehicle Discussion; Hello, I have a 2008 STS rwd, v6. It was my new car dec 24th of 2012 with under 18,000 ...
  1. #1
    Erand is offline Cadillac Owners Member
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    2008 STS Blown rear end, Brake lines rusted out

    Hello, I have a 2008 STS rwd, v6. It was my new car dec 24th of 2012 with under 18,000 miles, now has around 26,000. I had the car out the other weekend, no noise, no clunks, parked back inside only to come out to a puddle of oil under the rear end couple of days later. After further inspection, something let loose and put a hole in the bottom of the casting from the inside out. I don't seem to find anyone else that has had problems like this anywhere. While I was down there, my brake lines were so rusted there was tiny bubbles coming out all over them! On an 08 with 18,000 miles?!! Currently in a battle with dealership over rear end, which should be covered under my platinum extended warranty plan, and getting brake lines replaced under the corrosion plan from gm. ( dealer said it was surface rust) Anyone else run into any problems like I am having with what I thought was the best car I have ever owned???


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    dannyquest is offline Cadillac Owners Fanatic
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    Re: 2008 STS Blown rear end, Brake lines rusted out

    Erand, The answer is no on my 06 STS. Sound as if you have a bad brake line that was not coated very well from the factory. Has this car been garaged and not park out side. I see that you are also from Ohio, Maybe the last time the car was driven it was in snow & salt and not soon wash off. Danny

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    Erand is offline Cadillac Owners Member
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    Re: 2008 STS Blown rear end, Brake lines rusted out

    Yes it has been kept clean since I have had it, and parked inside. With only 17,750 miles in Dec, I can't imagine it has seen much winter driving. The rest of the car is perfect, not a spot of rust ANYWHERE on the outside. although the brake lines look like they have been in the salt mines last 5 years. I have a 2004 Jeep that I drive all winter for last 6 winters, never undercoated, or washed, 140,000 miles now, and it looks better then the sts underneath.

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    Cadillac Cust Svc's Avatar
    Cadillac Cust Svc is offline Cadillac Customer Service
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    Re: 2008 STS Blown rear end, Brake lines rusted out

    Quote Originally Posted by Erand View Post
    Hello, I have a 2008 STS rwd, v6. It was my new car dec 24th of 2012 with under 18,000 miles, now has around 26,000. I had the car out the other weekend, no noise, no clunks, parked back inside only to come out to a puddle of oil under the rear end couple of days later. After further inspection, something let loose and put a hole in the bottom of the casting from the inside out. I don't seem to find anyone else that has had problems like this anywhere. While I was down there, my brake lines were so rusted there was tiny bubbles coming out all over them! On an 08 with 18,000 miles?!! Currently in a battle with dealership over rear end, which should be covered under my platinum extended warranty plan, and getting brake lines replaced under the corrosion plan from gm. ( dealer said it was surface rust) Anyone else run into any problems like I am having with what I thought was the best car I have ever owned???
    Hello Erand,

    I am sorry you are experiencing a concern with your brake lines being rusted out and the issue with the dealer you are working with. I would like the opportunity to further discuss your situation with you. Please reach out via private message and include your contact information, VIN and dealer name and location. I look forward to hearing from you.

    Sincerely,

    Laura M.
    Cadillac Customer Care

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    BarrySTS is offline Cadillac Owners Member
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    Re: 2008 STS Blown rear end, Brake lines rusted out

    Any chance this car came from the east coast, where it may have sat in a flood, up to it's floor pan in salt water ? Might explain the short life of the rear end.

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    Erand is offline Cadillac Owners Member
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    Re: 2008 STS Blown rear end, Brake lines rusted out

    Hard to say. If it was in a flood, should of been reported, but I do believe it was always a local car.

  9. #7
    KRSTS Guest

    Re: 2008 STS Blown rear end, Brake lines rusted out

    My 08 has 58K miles and I've had it since Mar 2008. I have none of the issues you have described. Sounds like it may have been abused in its former life. I like BarrySTS's theory.

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    EChas3's Avatar
    EChas3 is offline Cadillac Owners Master
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    Re: 2008 STS Blown rear end, Brake lines rusted out

    GM knows where it was sold. Ask Customer Service to run a full service history against that possibility. Your claim would be aginst that seller; but you may have a valid claim.

    Even a drive through deep salt water (covering the vent) can ruin a diff. Don't you know why you should never drive into water of unknown own depth? Diff's are expensive!

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    Erand is offline Cadillac Owners Member
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    Re: 2008 STS Blown rear end, Brake lines rusted out

    caddy2.jpg So here is the brake lines I was told were surface rust. Now, GM owners is sending a specialist to look at my car to see if it will be covered under their corrosion plan.

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    Re: 2008 STS Blown rear end, Brake lines rusted out

    Quote Originally Posted by Erand View Post
    caddy2.jpg So here is the brake lines I was told were surface rust. Now, GM owners is sending a specialist to look at my car to see if it will be covered under their corrosion plan.
    Hello Erand,

    That seems like quite a bit of rust! Thanks for keeping us updated, and please continue to do so. If you would like Laura or I to contact the dealership on your behalf, please feel free to let us know via private message. Thank you very much for your time.

    Gregory W.
    Cadillac Customer Care

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    EChas3's Avatar
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    Re: 2008 STS Blown rear end, Brake lines rusted out

    If it's rusted more than halfway through, that couldn't be termed 'surface rust' could it?

  14. #12
    Guy.Seminerio is offline Cadillac Owners Connoisseur
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    Re: 2008 STS Blown rear end, Brake lines rusted out

    Yeah but the rust warranty is "rust through" I believe.

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    EChas3's Avatar
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    Re: 2008 STS Blown rear end, Brake lines rusted out

    I advocate pleasant persistence. But get those fixed before they kill someone.

  16. #14
    btlegacy is offline Cadillac Owners Member
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    Re: 2008 STS Blown rear end, Brake lines rusted out

    That seems to be quite a bit of rust and not something I would consider just surface rust. Just keep pushing and make them replace it.

  17. #15
    Erand is offline Cadillac Owners Member
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    Re: 2008 STS Blown rear end, Brake lines rusted out

    I would say when fluid is leaking out, it would be a through hole, maybe small, but still there...... Won't know any more for a few days when the district gm guy checks it out or at least calls. How about the rear end, I understand its a 3rd party warranty, but was sold by a Cadillac dealer, on a Cadillac. Platinum!! Best you could buy I was told. Now that I have a problem, they don't want to cover it due to scratches on the bottom of the body. Dealer told me, that I must of had my car stuck on a curb and was rocking it to get off, causing damage to the part.... what a load of bs! Car was NEVER abused in my hands, how can they say it was??? Most folks don't by a caddy to take it 'off roading' that I know of.

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