1997 Cadillac DeVille Q&A
1997 Cadillac DeVille Question: rear end of the car is riding low.
Looks like two different suspension systems were available on your deville ( soft ride and sport suspension ) but if you hear a sound you probably have the air suspension and AC Delco has replacement shocks available for around $300, probably need a tech to diagnose this so you don't waste money changing parts that are still good - Valleyautotech
what u are hearing is the air pump running if it runs all the time theres a leak in the system somewhere the pump is located on top of the rear axle you have to jack the car up or get it on a lift to get at it - Visitor
About 4 yrs ago, I asked the dealer why my Caddy was riding low. Do I need shocks? They told me 'no'. Two yrs later, a friend of the family (former Cadillac Srv Mgr) found my compressor was shot. After it was replaced, my bootlegging Caddy still rode low. Then the switch in the trunk was replaced...lowrider still not fixed. Last year, at a military Auto Hobby Shop, I was getting new tires put on and the guy says to me "You need new shocks!" Put new shocks on and finally, my Caddy was riding like a charm. - C.C. Jerzy Gal
You need to replace the rear air shocks as they are leaking air causing the air compressor to keep running. If you don't your air compressor will keep running and draw in moisture which will burn the air compressor out. The compressor is very expensive. When you put new air shocks on they will hold air so the air compressor will come on only until the proper air pressure is in the shocks and then it will turn off. - Cean
The electronic level ride system may not work properly; this may result in the rear of the vehicle riding too high or too low. Our technicians tell us that a height sensor or exhaust valve failur...
The rear end of the car always rides low. At the start up for several miles it rubs on the rear tires. I don't hear any other noises. It does get a little better, but the car always look like it is...
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