At 03:38 PM 3/31/99 CST, Thomas Walter wrote:
>
>>I got my Datsun back on the road the other day and the breaks work fine.
>>One concern is that on the first pump the pedal goes almost to the floor
>>although the brakes still engage. However, when I pump the pedal a
>>second time it stops about mid way down and seems to have more pressure.
>
>Matt,
>
>Dana pointed out the possibility of a bad master cylinder, but
>I would first check the following:
>
>Pull up on the hand brake... does the brake pedal now seem to
>stop at the halfway point?
>
Along with the easy checks that Tom had given, a way to check for bad seals
on cylinders is to apply the brake or clutch slowly. There should be no
fade in pressure. By pumping rapidly you counteract the effect of the
leaky seals.
Dana
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