Question about 2001 Ford F150 Styleside SuperCrew
That is a touchy seal, It has to be torqued just right or it will leak again. Over-torque it and it will burn out the bearing. I had a 1990 Econoline, I was heading to California, Didn't want any trouble on the road, so I had the seal replaced and the gear oil checked, guess what went wrong when I hit the California border?? You guessed it, the rear end went out, sounded like a freight train, I was only going 20 mph. Took the van to a ford dealer and said, I need a truck and your getting this. I bought an Isuzu Rodeo, they gave me $2500 for the van. I still drive the rodeo, 12 years later. The shaft has to be in real good shape, no marks, cuts, wear, anything or it won't seal. Check it out, hope this helps.
Posted on Nov 07, 2010
IF YOU DID NOT LUBRICATE DRIVE THE NEW DRIVE PINION SEAL IN STRAIGHT OR NOT SEAT SEAL ALL THE WAY IN POSITION THE SEAL WILL LEAK AGAIN.
Posted on Nov 07, 2010
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Posted on Jan 02, 2017
SOURCE: pinion seal leaking
check your rear diff vent if pluged clean it out and clean up the pinion seal.sometimes if the leak is caused by pluged vent and has not been leaking long once vent is clean sometimes the leak will stop.there is not a specific torque amount because it is rotational torque(how hard to turn pinion).there is a crush sleve on the pinion and if torqued too tight or too loose brg preload will be wrong and brg damage could result.mark and remove drive shaft.remove rear wheels,brakes,axles.so when turning pinion you dont have any drag from brakes or axles.mark the position of the yoke on the pinion.remove yoke,replace seal,reinstall yoke be sure to replace pinion nut.tighten nut until it takes the exact same amount of force to turn pinion as before taking original pinion nut off.hope this helps.
Posted on Oct 22, 2008
not hard at all, remove the driveshaft, undo the holding nut(impact tool helps a lot) you may need a peuuer to remove the yoke, pry the old seal out and gently tap the new one in, the refill the diff
Posted on Jun 30, 2010
Testimonial: "Thanks for the informtion starrface.Really do appreciate it. Thanks again. halstead4 "
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