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Old 08-11-2015, 05:05 PM   #1
canadian_diesel1964
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brake woes....63 with S10 MC/Booster

Hey guys Ive been trying to get these brakes working on the 63. I have the 1996 S10 Blazer MC and Booster..Ive bled these brakes 6 ways from sunday. I start the truck and pedal will build pressure if I pump it but then falls to floor. (MC?) Any help would be appreciated. I know the MC and Booster had a lot of KMs on them so I think maybe a new MC is in order as the booster tests out good...Thanx

Last edited by canadian_diesel1964; 08-11-2015 at 05:49 PM.
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Old 08-11-2015, 11:23 PM   #2
Johnny_Lamebridge
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Re: brake woes....63 with S10 MC/Booster

Hi canadian_diesel1964,

I would think that if you can build pressure, then it leaks out... I'd say your master is nfg. I don't know what else would cause that.
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Old 08-12-2015, 06:54 AM   #3
canadian_diesel1964
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Re: brake woes....63 with S10 MC/Booster

Right on Johnny! I have ordered a new MC
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Old 08-12-2015, 11:26 AM   #4
63burban
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Re: brake woes....63 with S10 MC/Booster

Do you have disc brakes with a proportioning valve? Or drum brakes?
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Old 08-12-2015, 05:14 PM   #5
canadian_diesel1964
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Re: brake woes....63 with S10 MC/Booster

I have disc drum with the S10 Prop valve
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