Rear brakes dragging.
Moderator: FORDification
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Busboy
- Blue Oval Fanatic
- Posts: 943
- Joined: Sat Jan 24, 2015 9:51 am
- Location: Nampa Idaho
Rear brakes dragging.
My 67 f100 had the rear brakes almost on fire after a 10 mile trip. The park brake cables have plenty of slack, the rear adjusters are completely backed off also. The brake pedal pushrod has plenty of slack as well. It only has a pressure differential valve, no metering function whatsoever so I don't think that can be the problem. Everything is new, and I mean everything. Any ideas?
1967 F-100 4x4 custom cab.
Another 67 F-100 4x4 custom cab.
2016 F-150 Eco-Boost 2.7 liter. (It will smoke the tires!)
1972 F-350 Sport Custom cab & chassis.
1972 F-250 Explorer Special, Camper Special.
1971 F-100 custom. 302, C-4, p.s. p.b. factory 65 amp alternator with transistorized voltage regulator.
Another 67 F-100 4x4 custom cab.
2016 F-150 Eco-Boost 2.7 liter. (It will smoke the tires!)
1972 F-350 Sport Custom cab & chassis.
1972 F-250 Explorer Special, Camper Special.
1971 F-100 custom. 302, C-4, p.s. p.b. factory 65 amp alternator with transistorized voltage regulator.
-
cep62
- 100% FORDified!
- Posts: 2088
- Joined: Sun Oct 26, 2008 8:06 pm
- Location: West Michigan
Re: Rear brakes dragging.
Well it's been a few days , and no input so I'll offer up some guesses .
Is the backing plate worn where the shoes ride, and holding them out ? they can be welded up and ground smooth.
Are the new brake shoes the correct width and diameter? Ford has been known to change things around , as well as previous owners.
New flex hose?Busboy wrote: Everything is new, and I mean everything. Any ideas?
Is the backing plate worn where the shoes ride, and holding them out ? they can be welded up and ground smooth.
Are the new brake shoes the correct width and diameter? Ford has been known to change things around , as well as previous owners.
-
Busboy
- Blue Oval Fanatic
- Posts: 943
- Joined: Sat Jan 24, 2015 9:51 am
- Location: Nampa Idaho
Re: Rear brakes dragging.
I peeled back the rubber boot on the back of the master cylinder and discovered that there was a washer that was lodged sideways in the master cylinder bore that was preventing the piston from returning all the way. Problem solved.
1967 F-100 4x4 custom cab.
Another 67 F-100 4x4 custom cab.
2016 F-150 Eco-Boost 2.7 liter. (It will smoke the tires!)
1972 F-350 Sport Custom cab & chassis.
1972 F-250 Explorer Special, Camper Special.
1971 F-100 custom. 302, C-4, p.s. p.b. factory 65 amp alternator with transistorized voltage regulator.
Another 67 F-100 4x4 custom cab.
2016 F-150 Eco-Boost 2.7 liter. (It will smoke the tires!)
1972 F-350 Sport Custom cab & chassis.
1972 F-250 Explorer Special, Camper Special.
1971 F-100 custom. 302, C-4, p.s. p.b. factory 65 amp alternator with transistorized voltage regulator.