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Old 08-01-2013, 01:44 PM   #1
eglide78
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71 GMC Brake Issue

71 GMC 2500 Sierra Custom Camper... On my way to orange cheapo last night and brake pedal felt fine and then started to descend to the floor... if I pump fast I seem to get brakes but normal pump and pedal goes to floor... I checked the usual... lines and so forth and level in Master Cylinder, fully expecting to see some leaks or a reservoir that was seriously low but all was normal.

Could this be a brake booster problem?
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Old 08-01-2013, 02:46 PM   #2
cdowns
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Re: 71 GMC Brake Issue

bad master cylinder
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Old 08-01-2013, 02:48 PM   #3
eglide78
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Re: 71 GMC Brake Issue

that too... you may be correct. Thanks for the slap on the side of the head...
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