1986 Oldsmobile Delta 88 vacuum leak

Tiny
2CARPROS-ARCHIVES
  • 1986 OLDSMOBILE DELTA 88
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 111,000 MILES

1986 Oldsmobile Delta 88 mileage: 111,000. I have a vacuum leak coming from under my dashboard. Where my brake goes through the firewall into the booster. What could be causing the loss in pressure when I apply my brakes?

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Monday, November 8th, 2010 AT 9:56 PM

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Tiny
2CARPROS-ARCHIVES
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The problem you described is probably caused by a power brake booster diaphragm that has ruptured. Your power brake booster needs to be replaced.

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Monday, November 8th, 2010 AT 9:58 PM

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