Question about 2001 Ford F150 Styleside SuperCrew

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Replaced the pinion (rear) seal and it still leaks

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  • Ford Master
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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

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  • Ford Master
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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

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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

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SOURCE: how to replace the rear pinion seal on a 2005

remove driveshaft remove pinion nut reove yoke and pop seal out with a screw driver

Posted on Aug 11, 2009

  • 2309 Answers

SOURCE: I have a pinion seal leaking on a F350 Dually.

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

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2 Answers

Why does it continue to leak?


Elisa where ? are you working at, EXACTLY?
sounds like it's wheel /axle bearing, is it?
or the pinion bearing????? there are many bearings in any axle.

id bet $100 you didnt just pop in a new rear crankshaft bearing
as other poster guessed.

my guess is the rear axle seal leaked, GL5 lube
and soaked the brakes and all? or the front pinion?
the job requires, all Gear lube, be cleaning off all parts there.
after the job ends, or it will leak RESIDUAL GL5 (imagine a kitchen sponge?)
which axle , the 198RBI or the 226RBA??

this seal., must i guess?
so if this seal leaks, its because the bearing is bad, and beat the seal to deathh.
#1 cause.
when it leaks goes all over.
the rear has discs but has TopHAT, emrg. brake shoes
and those will be wrecked, (soaked in GL5 lube and leak after
and the shoes are wrecked too.) so did you clean all that and replace all that. (i can guess what you did or touched,)



26178378-th0hvppadexavldnw0aoostf-4-0.jpg

Apr 28, 2016 | 2001 Jeep Grand Cherokee

1 Answer

1999. How can I replace front diff seal?


on the actual front diffr, pinion or the front transfer case seal
the front seal is like the rear.
its a crush cage.
that means when you remove the pinion yoke/flange big bolt
the crash cage is destroyed. also wrecking pinion gear to ring gear back lash..oops.. big big mess-up there...$$$$$$
and such cage must be replaced.
questions????????????
how can you be sure its leaking, when the engine this old loves leak oil

i bet that oil on the ground does not small at all like the nasty stink of hypoid GL5 gear lube. I BET

why not post how to find leaks first
and not do $1000 damage

no engine size posted G16? J20?>
The G16, ill demonstrate (coin toss)
Distributor 2 , o-rings leak like made, all do this old !!!!
same with the 60k mile service and valve cover gasket
all leak, for that reason alone, on all 1990s era
next is cam seal
crank seal
pan seal (or pan is rusted thru as many see (today)
oil pump seal
and gawd forbid the rear main seal , engine.


easy peasy japanezzy

why not ask your mechanic to sniff that oil first and save a fortune
guessing.
!!!!

see man pulling axle to remove pan
wana do that?
http://www.fixkick.com/axles/Pan-drop/pandrop.html

to replace this seal, remove the carrier first
then take it to a shop that can rework the carrier
the correct way.

Jan 25, 2016 | Geo Tracker Cars & Trucks

1 Answer

I REPLACE MY REAR PINION BUT IT STILL LEAKS


Have to replace the crush spacer inside case,
not just pull the yoke & do the seal

Mar 04, 2013 | Cars & Trucks

1 Answer

Rear differential seal


There are two places it can leak from. The rear differential cover or the pinion seal at the front of the differential. Both are easy to replace. The pinion seal will require a little more labor than the differential cover plate. You will have to remove the drive line and then break the pinion nut loose. Use a good impact wrench for this and a six point socket for that step. Then you will need to remove the yoke from the pinion gear. Should be able to tap it off. If not use a puller. Remove the old pinion seal with a flat tip screw driver by driving it through the lip of the old seal and push the screwdriver to the side and it will pop out. Clean the hole for the new seal. install the new seal and the yoke. Tighten the pinion nut. You will need to get access to a manual to check the bearing preload on the pinion nut. Then use a torque wrench to check for correct bearing preload. Re-install the drive line.

Apr 07, 2012 | 2006 Ford Expedition

1 Answer

My rear diff housing is leaking quite badly. is it possible the pinion seal is the problem


yes it is very possible. to confirm where your leak is, look in 4 places. 1) rear diff cover..... 2)pinion seal, where your driveshaft goes into the rear end, or axle seals, just look and see if there is any fluid on the inside of your tires.

Apr 14, 2011 | 1996 Toyota Land Cruiser

1 Answer

I went to have my rear u joints done and the guy bent the pinion ...I couldn't get him to fix the problem and he refused to finish repairing the truck...I need a quick fix for leaking rear...


wow sorry about that. well there is no grease or quick fix for that, the pinion seal will have to be replaced. with the drive shaft removed you can remove the nut holding the yoke to the pinion gear (rear end) ,pop out the old seal and drive in the new seal, then reinstall the yoke and torque down the nut and reinstall the drive shaft. fluid loss while replacing the seal should be minimal but if you do lose fluid you may need to refill.

Apr 08, 2011 | Chevrolet Silverado 1500 Cars & Trucks

1 Answer

Rear pinion seal leaks how do you replace seal?


go to the web link below, it is a jeep owner forum, it explains how to do the job with pictures.
http://www.cherokeeforum.com/f51/how-replace-rear-pinion-seal-5869/

Oct 06, 2010 | 1997 Jeep Grand Cherokee

1 Answer

Rear differential on f150 is leaking,how do i reseal it?(1984 f150 4x4)


If its leaking from the front where the drive-shaft connects, it needs a new pinion seal. If its leaking from the rear cover you need to remove cover and replace the gasket. If its leaking at the wheels you need to replace the axle seals.

May 16, 2010 | 1984 Ford F 150

1 Answer

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.

Oct 22, 2008 | 2004 Ford F250

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