Boots Posted November 3, 2011 Share Posted November 3, 2011 My brake petal makes a hissing noise when the truck is running and the petal is NOT pressed. If I press the petal a tiny bit, it stops. I haven't even looked at it besides just making sure I wasn't leaking fluid. I noticed It a few weeks ago. Any body have any ideas before I mess with it tomorrow? Thanks :wrench: Chad Quote Link to comment Share on other sites More sharing options...
XxStirCrazedxX Posted November 3, 2011 Share Posted November 3, 2011 Brake booster maybe? i have this happen in my 94 Cherokee, but its only when i push it about 1/4th inch, anymoe and it goes away. don't know what it is, but was told probley the booster Quote Link to comment Share on other sites More sharing options...
mvusse Posted November 3, 2011 Share Posted November 3, 2011 Leaking brake booster. Quote Link to comment Share on other sites More sharing options...
AMCJeepMJ Posted November 3, 2011 Share Posted November 3, 2011 Leaking brake booster. :agree: Quote Link to comment Share on other sites More sharing options...
offroader461 Posted November 3, 2011 Share Posted November 3, 2011 as said above...your brake booster is junk...replace it Quote Link to comment Share on other sites More sharing options...
MJRemi Posted November 3, 2011 Share Posted November 3, 2011 I have the same issue on Red. I have a GC booster/MC on the shelf. Is there a way to test it before installing or do I install it and cross my fingers? Quote Link to comment Share on other sites More sharing options...
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