Question about 1992 Ford F250

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Press the brake then my rear tires brakes keep locking

Well my 1988 ford f-150s differential broke down and we changed it put another one and now when we put the truck on drive reverse or even on nutrual the back tires lock and wont even budge an inch until we adjust the brake pads from the back so that they can realese the brake pads from the disk so that the tire can spin onece again but the thing is that when we adjust the brake pads from the back and we put the truck on reverce but this time we do not apply any presure to the brake padeal but press the parking brake the tires atomaticly stop completely like they should but then when we realese the parking brake the tires spin again like they should but then we apply presure to the brake peadal the tires once again lock but i dont know what could be going on to tell you truth....

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  • warlock61
    warlock61 May 11, 2010

    did it come with all the brakes and the hoses?

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  • 35 Answers

It just happenned to me with my ford f-150 1997, turned out to be the rubber hose that was clogged so it couldn't relieve the pressure in the lines....

it should be located on top on the differential if you don't have disc brakes on the back.... but if it is disc brakes you should have a rubber hose on each side....

Posted on May 01, 2009

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2 Answers

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SECTION 205-02B: Rear Drive Axle/Differential — Ford 8.8-Inch Ring Gear 2003 Mustang Workshop Manual IN-VEHICLE REPAIR Axle Shaft Removal
  1. Raise and support the vehicle. For additional information, refer to Section 100-02 .
  1. Remove the wheel and tire assembly. For additional information, refer to Section 204-04 .
  1. Remove the rear brake disc (2C026). For additional information, refer to Section 206-04 .
  1. Remove the differential housing cover (4033) and drain the lubricant. For additional information, refer to Differential Housing Cover in this section.
  1. Remove the differential pinion shaft (4211).
    1. Remove the differential pinion shaft lock bolt (4241).
    1. Remove the differential pinion shaft.
  1. s3b~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not damage the rubber O-ring in the axle shaft groove.
    Remove the U-washer (4N237).
    1. Push the axle shafts (4234) inboard.
    1. Remove the U-washer.
  1. s3b~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Damage to the rear brake anti-lock sensor (2C190) may occur if it is not removed before the axle shaft.
    Carefully remove the rear brake anti-lock sensor. For additional information, refer to Section 206-09A .
  1. s3b~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not damage the wheel bearing oil seal.
    Remove the axle shaft.
--------------------------------------------------------------------------------------
Rear Wheel Bearing and Axle Shaft Oil Seal Removal
  1. Remove the axle shaft (4234). For additional information, refer to Axle Shaft in this section.
  1. NOTE: If the wheel bearing oil seal is leaking, the axle housing vent may be plugged.
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Installation
  1. Lubricate the new rear wheel bearing with the specified lubricant.
  1. Using the special tools, install the new rear wheel bearing.
  1. Lubricate the lip of the new wheel bearing oil seal.
    • Use Premium Long-Life Grease XG-1-C or equivalent meeting Ford specification ESA-M1C75-B.
  1. Using the special tools, install the new wheel bearing oil seal.
  1. Install the axle shaft. For additional information, refer to Axle Shaft in this section.

-------------------------------------------------------------------
Installation
  1. Lubricate the lip of the wheel bearing oil seal
    • Use Premium Long-Life Grease XG-1-C or equivalent meeting Ford specification ESA-M1C75-B.
  1. s3b~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not damage the wheel bearing oil seal.
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  1. s3b~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not damage the rubber O-ring in the axle shaft groove.
    Install the U-washer.
    1. Position the two U-washers on the button end of the axle shaft.
    1. Pull the axle shaft outward.
  1. NOTE: If a new pinion shaft lock bolt is unavailable, coat the threads with Threadlock and Sealer EOAZ-19554-AA or equivalent meeting Ford specification WSK-M2G351-A5 prior to installation.
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  1. Install the rear brake anti-lock sensor. For additional information, refer to Section 206-09A .
  1. Install the rear brakes. For additional information, refer to Section 206-04 .
  1. Install the tire and wheel assembly. For additional information, refer to Section 204-04 .
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1 Answer

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You are correct, it's not brake fluid. Check the level in your rear axle, it sounds like you have bad seals in the axles allowing the rear differential gear oil to leak inside the brake drums.
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