I have a six cylinder 4 wheel drive vehicle

Tiny
PTHOMP
  • 1999 JEEP GRAND CHEROKEE
  • 150 MILES

I have a six cylinder 4 wheel drive vehicle. When I step on the bake and then release the pedal I hear an air release sound. Sort of like a pnumatic sound on automatic doors. I have been unable to find any leaks in any of the hoses so I guess I am missing something probably simple. Any help would be appriciated

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Sunday, January 20th, 2013 AT 7:54 PM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,398 POSTS

Check the brake booster. Check the vacuum hose from the intake to the booster too.

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Sunday, January 20th, 2013 AT 8:00 PM

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