master cylinder trouble.....the way to test if it works

[corylang@dccnet.com (Cory Langford)]

Best way I have found to tell when a MC is already by passing is to start
the car up and pump the brakes 3 or 4 times and then hold it.  It may take
a minute or two, but if you find the pedal slowly going down towards the
floor at all, you have a bad MC.  Pressure should stay constant.



At 03:39 PM 07/24/2002 -0400, Ryan Hockenbury wrote:
>Actually, that's just to test if the vacuum booster works... although I 
>guess it would work the same for the MC...
>When my master cylinder went bad, the brake pedal would go to the floor alot 
>(without actually stopping the car) - to get it to stop, I would have to 
>pump the pedal to build pressure again.
>
>
>>From: RobGURN1@aol.com
>>To: scirocco-l@scirocco.org
>>Subject: master cylinder trouble.....the way to test if it works
>>Date: Wed, 24 Jul 2002 14:35:10 EDT
>>
>>the way to test your master cylinder is to put your foot hardish on the 
>>brake
>>...start the car up if your foot goes down the mc is working if it doesnt 
>>its
>>time for a new mc..rob,b
>>
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Cory Langford
'86 turbo project
'83 beater daily driver