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1999 Jeep Grand Cherokee Six Cylinder 4 Wheel Drive Vehicle Step On Bake

1999 JEEP GRAND CHEROKEE
150 MILES
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PTHOMP
  • MEMBER
  • 1 POST
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
Jan 20, 2013 at 11:54 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Check the brake booster. check the vacuum hose from the intake to the booster too.
Jan 20, 2013 at 12:00 PM
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