s5 help
Thread Starter
Full Member
Joined: Feb 2005
Posts: 166
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From: alberta, canada
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
Seduced by the DARK SIDE
Joined: Apr 2001
Posts: 7,323
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From: Orange Park FL (near Jax)
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; Oct 7, 2005 at 07:01 AM.