1979 Oldsmobile Cutlass NO BRAKES PRESSURE WHEN ENGINE RUNN

1979 OLDSMOBILE CUTLASS
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BILLY SKINNER
  • MEMBER
  • 1 POST
Brakes problem
1979 Oldsmobile Cutlass Automatic 120,00 miles
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I was told that I needed a mater cylinder which I changed out and I was also told that I had to bleed the lines which I did. When engine is off I have pressure but once the engine is running I have no pressure whatsoever.
Feb 1, 2008 at 5:08 PM
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MASTERTECHTIM
  • CAR REPAIR CONTRIBUTOR
  • 4,750 POSTS
you still have air in the system and or your porportioning valve may be stuck.
Feb 1, 2008 at 6:05 PM
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