Fw: Leaky master cylinder
Ameer Antar
ameer at snet.net
Fri Dec 8 17:57:06 EST 2000
actually the leak could be from the servo...that was what happened to me.
There's also a seal in the servo on that end that can leak. Could be m/c
and/or servo.
-ameer
At 01:20 PM 12/8/2000 , you wrote:
>The master cylinder has a rod sticking out the back of it that activates
>the piston inside it. The rod must have a seal around it somewhere. If
>you're getting brake fluid out of the drain hole that's in the bottom of
>the brake booster connection to the master cylinder, that seal must be
>leaking. You're certain it's not coming from the rubber grommets that
>seal the brake fluid reservoir to the master cylinder? I can't remember
>from the two MC's I've replaced on Type 44's what there is from the brake
>booster that operates the rod on the MC. I seem to recall a smaller rod
>that fits inside the one from the MC. If that's the case, there also
>would be a seal around the rod from the booster, but that's operated by
>the hydraulic oil from the power steering pump, so you'd be getting that
>oil rather than brake fluid out of the hole. I think the hole's there to
>let condensation moisture escape from the assembly. Both the brake fluid
>and the booster hydraulic oil get quite warm.
>
>
>At 10:56 AM 12/08/2000 -0800, Tim Sidders wrote:
>
>
>>the leak is coming from between the master and the brake booster(where the
>>two bolt together), is there some sort of o-ring or gasket or seal or
>>something in there ??????
>>
>>Thanks
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