Help 98 Sts Suspension
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Suspension, Brakes and Tires Discussion, Help 98 Sts Suspension in Item Specific Cadillac Discussion; Have a 98 STS giving code in RSS C1738 I believe this means exhaust solenoid valve short to gnd. Where ...
  1. #1
    chris_birchall is offline Cadillac Owners Member
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    Unhappy Help 98 Sts Suspension

    Have a 98 STS giving code in RSS C1738 I believe this means exhaust solenoid valve short to gnd. Where is this valve and where can I get it I calles my dealer & they gave me a part no that everyone else says does not exist plus they want $225 for it !!!!! Any help appreciated, Thanks

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  3. #2
    toofitt is offline Cadillac Owners Fanatic
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    Thumbs up Re: Help 98 Sts Suspension

    Hi

    Kit from Boston suspension $500.00
    problemssss solved all of them..... Priceless!!


    TOM

  4. #3
    El Dobro's Avatar
    El Dobro is offline Cadillac Owners Connoisseur
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    Re: Help 98 Sts Suspension

    Sounds like what you're looking for is p/n 12494810. That's the control valve for the rear suspension. It lists for $140.48. It sits on top of the suspension compressor by the right rear wheel.

  5. #4
    chris_birchall is offline Cadillac Owners Member
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    Re: Help 98 Sts Suspension

    Thanks for that, I looked up that part on gmpartsdirect.com and it is the compressor head and they sell it for $96 !!!! but is that the right one as it says nothing about being an exhaust solenoid valve ?????

  6. #5
    caddydaddy's Avatar
    caddydaddy is offline Cadillac Owners Connoisseur
    Automobile(s): 2005 Escalade 6.0L 2WD, 2007 Jeep Grand Cherokee Limited CRD
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    Re: Help 98 Sts Suspension

    I had this problem on the air compressor for my old 94 Concours. It turned out to be a short in the wiring. The dealer wanted $600 plus to install a new compressor. I bought one for around $300 and still had the error code!
    I took the car back to the dealer, and they fixed the short in the wiring.
    To answer your question, the exhaust valve is on the cylinder head of the compressor, it's what lets the air out of the shocks.
    I'd have the dealer check for a short before spending all that money on fixing the compressor or buying a new one! Don't make the mistake I did!

  7. #6
    Firewireman's Avatar
    Firewireman is offline Cadillac Owners Fanatic
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    Re: Help 98 Sts Suspension

    Caddy - Where was the short in the wiring? Where would this be located on a 99 STS? I'm having the same problem code, though I don't really have any problems to report for the actual operation of the vehicle.

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