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09-28-2017, 10:35 AM
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#1 |
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Active Member
 Join Date: May 2016
Location: Madison WI
Posts: 146
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Hissing from brake booster
I have a 71 k15 that while running has a hiss from the brake booster? unless my foot is on the brake pedal. Brake pedal pressure seems fine. Is this something that I should be concerned with or perhaps the start of a problem?
Any advice on what I should check? |
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09-28-2017, 10:51 AM
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#2 |
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Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,488
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Re: Hissing from brake booster
Change the booster, cracked diaphram. Will lean out the engine and eventually fail
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09-28-2017, 05:27 PM
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#3 |
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Moderator
 
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,178
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Re: Hissing from brake booster
kwmech is spot on...change out the booster before it fails on ya...
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09-29-2017, 10:48 AM
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#4 |
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Active Member
Join Date: May 2016
Location: Madison WI
Posts: 146
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Re: Hissing from brake booster
10-4 Thanks for the help
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