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Q: System Stability Control light comes on & back end of car sits low on 1998 Cadillac Seville

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System Stability Control light comes on and the brake system fails for about 3 to 5 seconds. At this time there is a hard vibration in the brake pedal. The car does not leak any power steering fluid. also the back end of the car sits low. I know that the rear shocks are going, but are these two problems related? My mechanis states that the brakes are in great shape. The light is not on constantly and is never on when I first start the engine. It comes on nearly every time I drive the car though, usually when I am breaking but not all the time. Please advise
I would check out your ABS system. That is what is giving you the thumping/vibration in the pedal. Stability Control is VERY involved with the ABS, not the Steering!!. this is a pretty serious problem because at some point the brakes will not come back!!!. I would try another mechanic, the one your are going to does not sound like he is on top of ABS and Vehicle Stability control The sensation in the pedal is a dead give away for ABS. The brakes can LOOK fine but if the ABS valve body goes, you can have a SERIOUS brake problem. Worry about the rear ride height later. Best of Luck and get this repaired properly for the safety of you self and for the safety of others.
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