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2001 Deville rear shocks

779 views 2 replies 3 participants last post by  Ranger 
#1 ·
If the back of the vehicle began to get low, can you tell if you need new shocks or air for it, I heard air coming from the back of the vehicle?
 
#2 ·
First check the codes and see if you have any codes that are talking about the rear suspension system one off the top of my head is c0625 which has to do with the sensor. If you hear air coming from the back, it is most likely the rubber bladders wear out overtime dry rot and then make the compressor work a lot harder than it goes out. When you start the car do you hear about 10 seconds in the compressor for the beer runs for about 5 to 7 seconds and then stops if it needs air to fill up the car it runs a little longer. The compressor is physically above the right-hand muffler behind the right rear tire.
 
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