Hissing noise frm dsh whn i start engine,
1999 Jeep Grand Cherokee

Hissing noise frm dsh whn I start engine,

(1999 Jeep Grand Cherokee)
The hissing stops when I press the brakes and resumes once I let off the brakes. Why is that?
1 answer & 0 comments
Popular Answer
on February 06, 2017
Internal failure of the vacuum brake booster .. Have brake booster replaced.
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General Diagnosis
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on February 06, 2017
Internal failure of the vacuum brake booster .. Have brake booster replaced.
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