2008 Performance - Suspension compressor runs everytime
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  • 1 Post By ltdltc
Cadillac DTS Forum - 2006 through 2012 Discussion, 2008 Performance - Suspension compressor runs everytime in Past Cadillac Vehicle Discussion; I just got a 2008 Performance DTS. Every single time I start the vehicle, the air compressor in the back ...
  1. #1
    RobsDeville is offline Cadillac Owners Fanatic
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    2008 Performance - Suspension compressor runs everytime

    I just got a 2008 Performance DTS. Every single time I start the vehicle, the air compressor in the back runs. And I mean every time. Sometimes it seems normal as if it is just testing itself. And other times it seems to run for more than a couple of seconds. Like "is this thing gonna shut off?" long

    88,000 miles. No "Service Ride Control" or anything like that. Is a leak probable and where might it be?

    Thanks.

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  3. #2
    grullon10's Avatar
    grullon10 is offline Cadillac Owners Fanatic
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    That's normal I had 2 dts a 06 and a 11 and both cars do the samething

  4. #3
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: 2008 Performance - Suspension compressor runs everytime

    The ELC system compressor, IF the system is tight and functioning normally, should do a 2-second prove cycle shortly after you turn the key ON. Unless you then add weight to the rear seat or trunk it should not run again or even for long periods during that drive cycle.

    A leak can occur anywhere from the compressor head through the air lines to the shock bladders. Soapy water spray.

  5. #4
    RobsDeville is offline Cadillac Owners Fanatic
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    Re: 2008 Performance - Suspension compressor runs everytime

    Thanks. Will do more tests!

  6. #5
    DevilleDeeman's Avatar
    DevilleDeeman is online now Cadillac Owners Fanatic
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    Re: 2008 Performance - Suspension compressor runs everytime

    Mine clicks on when I first start up but it never runs any other time unless people get in the back seat or there's something heavy in the trunk.
    Pretty much what Sub said.

  7. #6
    ltdltc's Avatar
    ltdltc is online now Cadillac Owners Fanatic
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    Re: 2008 Performance - Suspension compressor runs everytime

    I bet the bladders on top of the shocks have cracks and are slow leaking. Before trading the DTS I changed the oil and heard air leaking from the bottom of the bladder when I raised the car. It was wet and I could see bubbles where the bladder folds over the shock tube
    RobsDeville likes this.

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