No brakes!!!!!!!!!!!!!!!!!!!! - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Rich Rykowski · 10-18-2010, 08:18 PM

Hi everyone, I have a 67' C-10 stepside ( all stock). Brake pedal turned to "mush" in 2 days and then "presto!" NO BRAKES!! Popped the lid on the master cylinder and the rear resevoir was "EMPTY"! Sounds like an easy one, huh? Blown brake line perhaps? Blown wheel cylinder maybe? Where did the fluid go? There are NO holes in any brake lines, the hubs were pulled and the wheel cylinders are BONE DRY!! Anyway, I bought a new master cylinder and installed it, filled it with fluid, called a freind to crack the bleeders and get it primed, and once again, "NOTHING"! The system WILL NOT prime!! Should I crack the nuts where the lines enter the master cylinder and bleed the master cylinder itself first? I'm at wits end here!!! HEEEEEELLLLLLPP!!!

Shyguy · 10-18-2010, 08:23 PM

Yep, it sounds like a good idea to crack the lines and bleed the master cylinder.

brad_man_72 · 10-18-2010, 08:39 PM

yeah you have to bleed the master cylinder first. Wouldn't know it if I hadn't done it myself

........ Shouldn't you still have front brakes?

10-18-2010, 08:18 PM	#1
Rich Rykowski Registered User Join Date: Mar 2009 Location: Oxford, Ct. Posts: 4	No brakes!!!!!!!!!!!!!!!!!!!! Hi everyone, I have a 67' C-10 stepside ( all stock). Brake pedal turned to "mush" in 2 days and then "presto!" NO BRAKES!! Popped the lid on the master cylinder and the rear resevoir was "EMPTY"! Sounds like an easy one, huh? Blown brake line perhaps? Blown wheel cylinder maybe? Where did the fluid go? There are NO holes in any brake lines, the hubs were pulled and the wheel cylinders are BONE DRY!! Anyway, I bought a new master cylinder and installed it, filled it with fluid, called a freind to crack the bleeders and get it primed, and once again, "NOTHING"! The system WILL NOT prime!! Should I crack the nuts where the lines enter the master cylinder and bleed the master cylinder itself first? I'm at wits end here!!! HEEEEEELLLLLLPP!!!

10-18-2010, 08:23 PM	#2
Shyguy Junior Member Join Date: Dec 2006 Location: Southeast Missouri Posts: 2,436	Re: No brakes!!!!!!!!!!!!!!!!!!!! Yep, it sounds like a good idea to crack the lines and bleed the master cylinder. __________________ '67 Chevy C-20 short stepper - build complete, 454/SM-465. '75 C-30 Single Cab DRW-350 small block/NP-435. '77 GMC-6500 Dump Truck, 427 Tall Deck. '92 GMC K-3500 Duallie, 454/4L80E.

10-18-2010, 08:39 PM	#3
brad_man_72 the boat guy Join Date: Jul 2007 Location: springfield mo Posts: 2,339	Re: No brakes!!!!!!!!!!!!!!!!!!!! yeah you have to bleed the master cylinder first. Wouldn't know it if I hadn't done it myself ........ Shouldn't you still have front brakes? __________________ 67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project,



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