'91 DeVille Air Ride not working
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Suspension, Brakes and Tires Discussion, '91 DeVille Air Ride not working in Item Specific Cadillac Discussion; Hello, The rear part of my deVille is very low to the ground, and every time I go over a ...
  1. #1
    titusc is offline Cadillac Owners Member
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    '91 DeVille Air Ride not working

    Hello,

    The rear part of my deVille is very low to the ground, and every time I go over a bump I scrap the bottom. I wonder if the front shocks need to be replaced as well.

    I don't quite understand what is a "Suspension Code rs0038". Is this something you need a computer to check? I'm about to bring in my car to the dealer (actually I work in the auto group at another dealer so I will be getting a discount on parts) on Monday to replace the tires, and have them check on the rear air suspension also. But are there any aftermarket stuff I can use instead? I tried to look on the Net but there appears to be different systems for the '91 deVille and I don't know how to check which one it is.

    Anyway, as for the front shocks, I want something that allows better handling and control. What do I tell the guys at say NAPA what I need? Like are there parameters like shock travel, rebound, etc? I don't know what aftermarket shocks will allow less compression and faster rebound, and yet fits in the car.

    Titus

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  3. #2
    Ralph's Avatar
    Ralph is offline Cadillac Owners 10000+ Posts
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    Re: '91 DeVille Air Ride not working

    Quote Originally Posted by titusc
    Hello,

    The rear part of my deVille is very low to the ground, and every time I go over a bump I scrap the bottom. I wonder if the front shocks need to be replaced as well.

    I don't quite understand what is a "Suspension Code rs0038". Is this something you need a computer to check? I'm about to bring in my car to the dealer (actually I work in the auto group at another dealer so I will be getting a discount on parts) on Monday to replace the tires, and have them check on the rear air suspension also. But are there any aftermarket stuff I can use instead? I tried to look on the Net but there appears to be different systems for the '91 deVille and I don't know how to check which one it is.

    Anyway, as for the front shocks, I want something that allows better handling and control. What do I tell the guys at say NAPA what I need? Like are there parameters like shock travel, rebound, etc? I don't know what aftermarket shocks will allow less compression and faster rebound, and yet fits in the car.

    Titus
    You can get "passive struts" installed, they are like regular gas-charged for any car. And I think they need to de-program the computer for this or the air-compressor tries to compensate continuously. If you let the dealer sweet-talk you into new air riders, they will be very expensive. Check the thread under my name entitled "5500 for new shocks" for some more info if you want, otherwise there are more knowledgible people here than myself who can help you.

  4. #3
    davesdeville's Avatar
    davesdeville is offline Banned
    Automobile(s): 1995 ETC, 75 Deville, Cad500 powered 73 Apollo, 94 Mark VIII
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    I had a hose disconnected from my level ride system in mine and the compressor ran for maybe 10 seconds at the start and shut off. It probably has a shut-off feature in case of a big leak or disconnected hose. I have since had the hose reattached. So I think it might just give you a code if you install non air ride shocks. Then again I have no real idea about computerized things in cars.

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