s5 help
10-07-05, 01:55 AM
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s5 help
okay just as im about to put my car away for the winter i noticed everytime i step on the break while the car is on ...my rpm goes lower and the car shakes bad....its an 89 na...im think it grounding but need a place to start.. lookin
10-07-05, 06:54 AM
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Check for a vac leak in the brake booster diaphram.
A small vac drop is normal as you brake & the BAC should compensate unless it has a problem.
The rubber diaphram can develop a crack that opens as you step on the pedal.
A small vac drop is normal as you brake & the BAC should compensate unless it has a problem.
The rubber diaphram can develop a crack that opens as you step on the pedal.
Last edited by SureShot; 10-07-05 at 07:01 AM.