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ur-Q brake woes.....?
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- Subject: ur-Q brake woes.....?
- From: firstname.lastname@example.org
- Date: 05 Jul 1995 11:40:12 -0400
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- P1-Message-Id: US*ATTMAIL*SMCLAN;X400ATT Jul 05 11:40:11 1995
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- X400-Trace: US*ATTMAIL*SMCLANarrival 05 Jul 1995 11:40:12 -0400action Relayed
Well, I pulled the '85 ur-Q out of storage this past weekend
due to finally renting the old house and needing to prepare
the car to accept the KuQEFH, soon (hopefully) to be
installed. Started OK after ~9-10 months, but no brakes.
The brakes were just fine when parked last November.
Here are the symptoms:
Engine running; pedal goes to floor with little/no resistance
Engine running: pedal "pumps up" but only after many
very fast pumps, then if held goes to floor
Engine not running; pedal "pumps up" quickly and feels OK
Kill engine, no emergency power assist, pedal goes to floor
The brake fluid level never went low enough to let air in.
The hydraulic boost system fluid level was very low,
took just over 1 quart to fill to the fill line. No difference
in failure mode was noted after topping up the
hydraulic fluid. One more note; hydraulic fluid
overflowed from the revisor when pumping the brakes
with the engine NOT running. Master cylinder is
original, >182,000 miles, hydraulic accumulator was
replaced about 5 years and about 50-75,000 miles
ago. All worked perfectly when placed into storage.
Power steering still works OK.
Place yer bets! Is it the accumulator or the master
cylinder or something else? Any ideas on
troubleshooting this WITHOUT RPS?
(Random Parts Swapping)