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10-16-2012, 04:33 PM
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#1 |
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Registered User
Join Date: Nov 2010
Location: Ontario
Posts: 134
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Brake booster
i have a brake fluid leak coming from where the master cylinder meets the booster. is there a seal there? do i need a new booster or is it an issue with the master cylinder. the leak has destroyed the paint on my inner fenders.
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85 swb c10 6/6 drop 83 c10 bagged and sfbd project |
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10-16-2012, 04:50 PM
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#2 | |
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Registered User
Join Date: May 2011
Location: Goliad, TX
Posts: 672
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Re: Brake booster
Quote:
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1990 ¾ ton 4x4 Chevy Suburban -Cummins Diesel - 12 valve - factory rebuilt -6 speed bullet proof manual transmission - NV5600 -Gear Vendors Overdrive - HX35 Holset Turbo -NP205 iron transfer case -3.73 gears -2" Lift |
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10-16-2012, 05:10 PM
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#3 |
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Registered User
Join Date: Nov 2010
Location: Ontario
Posts: 134
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Re: Brake booster
Brakes seem to work fine, its not a daily driver it hasnt had many mile on it since it has started leaking. how do i check the booster?
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85 swb c10 6/6 drop 83 c10 bagged and sfbd project |
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10-16-2012, 05:50 PM
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#4 |
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Registered User
Join Date: May 2010
Location: Tahlequah, OK
Posts: 36
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Re: Brake booster
Your booster will be fine. Slap a new master on there and forget about it.
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2016 GMC Sierra Double Cab 1986 GMC Sierra Classic SWB 1972 Chevy Cheyenne C20 4x4 Camper Special |
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10-16-2012, 11:47 PM
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#5 | |
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78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: Brake booster
Quote:
go out in the morn cold pull the vac plug to the carb on it,how much suction was there do this when it's off 2-3 times after driving and compare to sitting all night
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
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10-17-2012, 03:55 AM
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#6 | |
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Registered User
Join Date: Sep 2010
Location: Lake Havasu City Arizona
Posts: 863
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Re: Brake booster
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Posted via Mobile Device |
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10-17-2012, 05:16 AM
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#7 |
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78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: Brake booster
If your booster is leaking
It prob wont have much vac in the morn Pull the valve(10:00 o'clock on the booster face) out of the booster , should have suction After driving see if more or less vac, or the same Posted via Mobile Device
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
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10-17-2012, 05:53 PM
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#8 |
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Registered User
Join Date: Sep 2009
Location: Weare,NH
Posts: 1,592
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Re: Brake booster
If you're not driving it much you may not have noticed that the brake pedal loses pressure when you're holding it steady. I have replaced many MC's on Hondas because the MC leaks. Never had to replace a booster.
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11-09-2012, 06:24 AM
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#9 |
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Registered User
Join Date: Feb 2012
Location: Wisconsin
Posts: 144
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Re: Brake booster
Mine just started leaking. Is there a seal between the mc and booster?
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11-09-2012, 08:41 AM
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#10 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,287
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Re: Brake booster
the seal between the master and the booster is a foam rubber kind of thing that seals in the vacuum on the booster the seals for the fluid are all on the master the advice you got was spot on your master is leaking from the seal up by the rear of it. change your master and you should be ok... while youre at it clean and paint your inner fender and the truck is good as new
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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