[DeTomaso] Brake Master Cylinder
Pantdino
pantdino at aol.com
Sat Jul 31 18:27:19 EDT 2010
My experience has been that the seals on the piston fail and the fluid just shunts from the pressurized portion of the cylinder to that connectected to the reservoir. So there is no external leakage.
When I thought my master cylinder was bad I took it to a NAPA store also and they had a book with little pictures of like 200 MCs. We couldn't figure out which mine was. They brought out a Corvette one and some others and none were correct.
I ended up just having them send mine out for rebuild for like $90. Took a few days.
Actually I don't think the master was bad-- I just had so much air in the system after rebuilding all the calipers I couldn't get a hard pedal. After aggressive bleeding it was fine.
Jim Oddie
-----Original Message-----
From: Rob Dumoulin <rob at dumoulins.net>
To: JJD1010 at aol.com
Cc: detomaso at realbig.com
Sent: Sat, Jul 31, 2010 2:35 pm
Subject: Re: [DeTomaso] Brake Master Cylinder
Did you run out of fluid? Is it leaking along the pedal side shaft where
ou can feel wet brake fluid up there?
I never had the displeasure of a master cylinder failing in the Pantera, but
n many past cars, a failed MC means the fluid leaks past the plunger and
nds up dripping down the rod connecting to the brake pedal. Before you
wap it make sure that is the problem.
On Sat, Jul 31, 2010 at 3:56 PM, <JJD1010 at aol.com> wrote:
> I have the GM Brake Booster/Master Cylinder. The brake pedal just started
going all the way to the floorboard so it looks like I need a new master
cylinder. Does anyone know what GM product it came off of?
I went to NAPA and they thought it was a Corvette M/C and they wanted $350
plus a core for it, not to mention a week to get it. That doesn't sound
right to me so I'm hoping you guys can help.
Thanks,
Jeff
6559
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