1972 C10 Brake Pedal Problem - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Mr Twister · 02-04-2020, 08:32 PM

Break pedal falls to the floor every 15 times or so. I installed a new master cylinder & a new proportioning valve to fix the issue. Bled the system twice and still have the same problem.
Mr Twister

**HIGHWAY BY THE SEA** · 02-04-2020, 08:38 PM

Have you checked for a brake line leak?

Mr Twister · 02-04-2020, 08:42 PM

Yes no leaks.

02-04-2020, 08:32 PM	#1
Mr Twister Registered User Join Date: Jan 2014 Location: Boyertown, PA Posts: 13	1972 C10 Brake Pedal Problem Break pedal falls to the floor every 15 times or so. I installed a new master cylinder & a new proportioning valve to fix the issue. Bled the system twice and still have the same problem. Mr Twister

02-04-2020, 08:38 PM	#2
HIGHWAY BY THE SEA Registered User Join Date: Nov 2012 Location: BY THE CAROLINA SEA Posts: 919	Re: 1972 C10 Brake Pedal Problem Have you checked for a brake line leak? __________________ FRANKENTRUCK 1981 Chevrolet C10 Shortbed Stepside GRANDTRUCK 1968 Chevrolet C10 Stepside Longbed http://67-72chevytrucks.com/vboard/s...d.php?t=584617 PROJECT JIGSAW 1967 GMC C3500 GREAT WHITE 1986 Blazer M1009

02-04-2020, 08:42 PM	#3
Mr Twister Registered User Join Date: Jan 2014 Location: Boyertown, PA Posts: 13	Re: 1972 C10 Brake Pedal Problem Yes no leaks.



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