BRAKES need HELP PLEASE
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From: WEWAHITCHKA FL.
BRAKES need HELP PLEASE
Hey guys its been along time. Some of you may remember me ? I was hoping yall could help me out with my brakes. I got good stoping power but the pedal won't come back up . I'm thinking its something to do with the front disk cause i'm getting alot of brake dust on my rims. Just thought someone could chime in on this problem so when i craw under it 2mor. i'll have a clue to were too look first.
Hotshot
Joined: Oct 2009
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From: Burbank, WA
Are you using the original underfloor pedals? There should be a return spring on it if you are. Is this a new problem that just started occurring? Or one that's been an issue for a long time? ie; could the spring have recently broken or fallen off, or has it been missing all along?
Senior User
Joined: Oct 2003
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From: Texas
I'm guessing power disk brakes on the front? sounds like to me a caliper is sticking, does the truck pull to either side? Also do you have the return spring hooked up at the bottom of the brake pedal? I assume floor mount power brake booster etc.? Also the shaft that the brake pedal mounts to has it been greased? could be corroded / dry<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com
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Posting Guru
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From: WEWAHITCHKA FL.
PEDAL
Are you using the original underfloor pedals? There should be a return spring on it if you are. Is this a new problem that just started occurring? Or one that's been an issue for a long time? ie; could the spring have recently broken or fallen off, or has it been missing all along?
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Posting Guru
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From: WEWAHITCHKA FL.
4 wheel disk
I'm guessing power disk brakes on the front? sounds like to me a caliper is sticking, does the truck pull to either side? Also do you have the return spring hooked up at the bottom of the brake pedal? I assume floor mount power brake booster etc.? Also the shaft that the brake pedal mounts to has it been greased? could be corroded / dryfficeffice" /><O></O>
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FTE fan
Joined: Dec 2006
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From: paradise, northern calif.
Heah Dale, I noticed you hadnt logged in, in what 33, 34 days but whoes keeping track? LOL Its good to see you on the board.
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Laughing Gas
Joined: Jun 2010
Posts: 1,035
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From: Waterford, VA. USA
Sounds like the master cylinder is bypassing. Can you pump the pedal and get it back/firm? If so, it may have a plunger seal worn or scratched. If a caliper is hung up it would create more dust on the side that is stuck and maybe even pull to that side, but not always. Also, if a caliper sticks you can usually smell it due to overheating.....
Good luck, it's to hear from ya.
w
Good luck, it's to hear from ya.
w
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Cargo Master
Joined: Nov 2007
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From: sparta ky.
Dale, jack up the wheels, apply the brakes to see if one is sticking( hard to turn), if it is hard to roll over try taking the wheel off and with a flat screwdriver see if you can release the caliper on that wheel if all else fails.
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From: Waleska, GA
Long time no read! My pedal tends not to return also. I also have an under the cab master cylinder. I also don't have a return spring, but I'm guessing I need one. I do have some interference with the carpeting. I just finished relocating my front brake hard-lines, so I have no mileage related experience on this to speak of. Let me know what you decide the issue is. How's Blue Dog?
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From: WEWAHITCHKA FL.
booster
Well after a inspection i can;t grease the shaft it has a boot and a pvc collar under that. Sprayed some wd 40 but that didn't help any. A spring would help i'm sure but i got alot of miles on it like it is ,so something ain't right. Sure hope the booster was made to last longer then this !!!!! i'll check the wheels 2mor. for drag and update this problem. BLUE DOG IS GOING TO LIVE ANOTHER 9 YEARS !!! THANKS 4 ASKING !!!!!!!!!!!! 
Fleet Mechanic
Joined: Aug 2010
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From: Morgan Hill, CA
Hey Dale...good to hear from you.
I'm going to guess that the compensator port in the master cylinder is stuck or blocked. If that's the case, it won't let fluid from the reservior down into the master cylinder....and it also won't let fluid from the master cylinder go back into the reservior....so the rod inside the master cylinder isn't pushing the pedal up...the brakes might also drag a little.
Dan
I'm going to guess that the compensator port in the master cylinder is stuck or blocked. If that's the case, it won't let fluid from the reservior down into the master cylinder....and it also won't let fluid from the master cylinder go back into the reservior....so the rod inside the master cylinder isn't pushing the pedal up...the brakes might also drag a little.
Dan
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