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08-16-2017, 08:33 AM | #1 | |
Registered User
Join Date: Apr 2011
Location: Fairview Park, Ohio
Posts: 1,031
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Quote:
The master cylinder is definitely a disc/drum master. Smaller back res. The only thing left is proportional valve. Currently it's the original combination valve from the drum/drum system I'm gonna replace that along with all new lines this fall. Posted via Mobile Device |
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08-16-2017, 11:31 AM | #2 |
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Join Date: Apr 2010
Location: So Cal
Posts: 1,443
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Re: Brakes dragging question
>>The only thing left is proportional valve. Currently it's the original combination valve from the drum/drum system<<
YOU DON'T HAVE A COMBINATION VALVE !!! You have a Pressure Differential Switch. Fluid from the MC for the Front brakes goes in the side and out the bottom. Fluid for the Rear brakes goes in the other side and out the bottom. A sealed piston sits between the two and doesn't move if both pressures are the same. Any failure in the front or rear system causes the piston to move, closing the switch, turning on the Brake Failure Warning Light. You don't have a wire connection on your switch. You don't have an way of knowing it you have correctly bled the rear brakes. I told you in an earlier post that with only a Switch Block and NO COMBINATION VALVE AND NO PROPORTIONG VALVE, your rear brakes should easily lock up and skid the rear tires. Do you even have Rear brakes? Are the Front brakes doing 100% of the braking? Are the Front brakes actually dragging or are they just getting Hot? Are you ever going to jack up one of the front wheels to see if it is dragging?
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'67 GMC 2500, 292, 4spd, AC |
08-16-2017, 01:31 PM | #3 |
Moderator
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,197
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Re: Brakes dragging question
Hey rockyriver,
My comments were intended for MoFormula...sorry for the confusion... and RichardJ...crikey mate...maybe its time for a Snickers bar....haha I enjoy helping folk out, I find it relaxing really...and it keeps this old mind active... We all need to remember that a percentage of our forum members are "yungins" that are on here to ask questions and figure out how we all used to actually repair our equipment, rather than just replace components or the actual item... Now...everyone go play nicely ! |
08-18-2017, 08:43 PM | #4 | |
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Join Date: Apr 2011
Location: Fairview Park, Ohio
Posts: 1,031
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Quote:
I haven't been able to drive the truck as I've had some recent issues following a back surgery. Lighten up Francis Posted via Mobile Device Last edited by rockyrivermark; 08-18-2017 at 08:54 PM. |
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