[s-cars] Hard brake pedal?
quattro at rechlin.us
Tue Mar 3 20:23:01 PST 2009
I have a 1995.5 S6 Avant with over 170,000 miles. I have the Big Red 993TT
brakes (installed about 1.5 years ago).
Something that I have noticed over the last few (maybe 6) months (I'm not
sure when it started) is that the brake pedal is always hard when the car is
off. Also, if I hit the pedal very forcefully while at highway speeds, the
pedal is initially hard until maybe 1/3 of a second later, when it feels
normal. Under lighter braking it always feels normal.
Normally I would assume this is a case of the accumulator/bomb needing
replacement. In my other car, a 1991 100 quattro, I had similar symptoms
about 6-7 years ago, except there the red brake warning light stayed on for
a while when starting up and came on in heavy braking, and I fixed it by
replacing the bomb. But in this case, the red brake warning light does not
come on abnormally (only when the parking brake is on and for a couple
seconds when starting the engine).
Might it still be the bomb? Or could this be something bigger and/or more
expensive? The bomb was last replaced precisely 4 years ago, to the day
(~36,000 miles ago), by the previous owner, and at the same time the power
steering pump was also replaced.
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