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Old 09-12-2015, 05:18 PM   #1
IntegratedTJ
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Join Date: Jul 2013
Location: Vallejo, California
Posts: 71
Hissing Brake Booster When The Pedal is Up

Title says most of it. My brake booster (or somewhere in there) is hissing at all times except when the pedal is down. When I kill the engine, all the vacuum in there just sprays out for a good 1-2 seconds. Is it the brake booster pushrod boot or the booster itself or what? Thanks in advance.
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