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07-23-2002, 02:00 PM
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#1 |
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Registered User
Join Date: Jul 2002
Location: Ohio
Posts: 3
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brakes
i sure hope i can get some input....i lost brakes on my 1986 gmc 1/2 ton full size pick up...we have replaced the master, all brake lines and the porpotion valve...i still have no brakes.....its not holding pressure......we've tried everything we can think of...any ideas?
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07-23-2002, 02:02 PM
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#2 |
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Registered User
Join Date: Jul 2002
Location: Memphis, Tn
Posts: 194
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Not to overlook the obvious, but did you bleed the master cylinder when you installed it? Good luck and keep on truckin'!......Jerry
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'68 c-10 long wheelbase fleetside, been in family since new, originally 250 3 speed Now (389) 350 .060 over 3.75 stroke,Edelbrock Performer RPM 70cc heads and Intake 600 cfm Edelbrock,Small Comp Cams retro-roller cam and roller rockers,9:1 cr, headers, HEI,Old Air a/c, 72 power disc brakes w/stainless lines, 3.42 gear,T-56 6-speed, original paint(what's left of it). Dakota Digital Dash |
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07-23-2002, 02:07 PM
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#3 |
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Registered User
Join Date: Jul 2002
Location: Ohio
Posts: 3
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sure did and not only that but the porportin valve is only working for the front barkes and not the back....we've bleed everything...
Thanks for your input tho....any more ideas? |
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07-23-2002, 02:15 PM
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#4 |
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Registered User
Join Date: Jul 2002
Location: Memphis, Tn
Posts: 194
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Do you have any pedal at all, or is it spongy?
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'68 c-10 long wheelbase fleetside, been in family since new, originally 250 3 speed Now (389) 350 .060 over 3.75 stroke,Edelbrock Performer RPM 70cc heads and Intake 600 cfm Edelbrock,Small Comp Cams retro-roller cam and roller rockers,9:1 cr, headers, HEI,Old Air a/c, 72 power disc brakes w/stainless lines, 3.42 gear,T-56 6-speed, original paint(what's left of it). Dakota Digital Dash |
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07-23-2002, 02:16 PM
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#5 |
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Registered User
Join Date: Jul 2002
Location: Memphis, Tn
Posts: 194
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Sorry, having trouble spelling today, I meant spongey.
__________________
'68 c-10 long wheelbase fleetside, been in family since new, originally 250 3 speed Now (389) 350 .060 over 3.75 stroke,Edelbrock Performer RPM 70cc heads and Intake 600 cfm Edelbrock,Small Comp Cams retro-roller cam and roller rockers,9:1 cr, headers, HEI,Old Air a/c, 72 power disc brakes w/stainless lines, 3.42 gear,T-56 6-speed, original paint(what's left of it). Dakota Digital Dash |
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07-23-2002, 04:20 PM
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#6 |
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Registered User
Join Date: Jul 2002
Location: Ohio
Posts: 3
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get a pedal about 1/2 way through then goes to floor .....it dosnt seem to hold any pressure.....were thinking maybe the vacuum?...i am at my witts end...look me up on yahoo IM....maybe we can come up with something.
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