Question about 1988 Pontiac Firebird

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HOW DO I REPLACE THE FRONT SEAL ON THE DIFF 1988 pont firebird

Will removing the pinion yoke change the backlash of the gears?

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No that has nothing to do with that adj

Posted on Mar 04, 2009

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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

Front diff.seal leaks


Remove the front drive shaft remove the drive yoke off the pinion shaft remove the old seal install new seal install front drive shaft. PS check pinion bearing play before removing drive yolk. if it is loose then you might also need bearings

Oct 21, 2015 | Ford Explorer Cars & Trucks

1 Answer

Change front differential seal


I take it that it is a pinion seal

remove the tail shaft

undo the pinion nut

( use an 1/2 " impact gun )

pull the yoke off

use a lever and pry out the old seal

fit new seal flush with the diff body face

refit the yoke and do the nut up till it is hard on the yoke plus about 1/8 of a turn or if there is a split pin to position the nut to the closest slot that the pin will fit in

( there are two types of spacers in diffs

one is solid and you can do the nut up to the desired tension

the other is a collapsible spacer which would have been collapsed to the correct dimension in initial assembly so the nut cannot be done up any tighter that what I suggest or you will over load the pinion bearings and burn them out

refit the tail shaft

Oct 21, 2015 | Ford Explorer Cars & Trucks

1 Answer

Rear differential problems


Thing here is that when you do change a gear in a resr diff, you need to adjust the pinion gear(this is called in mecanic's word pre-load of your pinion gear)first witch is achievable by inserting shim washers and tightennig the pinion gear bolt.

Then and only then you can adjust the backlash off your diff (witch is the distance between the pinion gear and the driven gear of your diff.).

failling to do so will either cause damage to your new driven gear or as you are aving problems here not being able to turn the diff cause the backlash doesn't have enought clearance.

Hope this will help you!!

Feb 24, 2014 | 1998 Dodge Ram 1500 4WD

1 Answer

Rear ring and pinion bearing


remove the driveshaft then romove the yoke and the seal there may or may not be a clip holding in the bearing but when changing the bearing the race should be changed for this remove the wheels with the diff on stands remove the rear cover on the diff push the axles in and remove the c-clips from inside the diff then pull the axles out inside the diff you will see 4 bolts remove them and take out the spider gears and drive gear once the drive gear is out you can use a punch and hammer to remove the rase to insall the new rase use a BRASS punch as to not damage the new one then install parts as they came out

Jun 09, 2012 | 2000 Cadillac Escalade

1 Answer

Leak at front of rear differential. How do i change the pinion seal.


Remove the driveshaft. You need an impact gun to remove the pinion yoke nut. Pull the yoke out and replace the seal. Make sure you tighten the pinion nut to the correct torque spec. (The dealer can tell you how tight it needs to be.)

Sep 25, 2010 | 1986 Toyota Land Cruiser

2 Answers

Rear drive shaft seal leaking


Yes, but you will need to mark the yoke position and exact number of turns to remove the nut or you will change ring and pinion gear lash setting when re-installing it. You can use a large pipe wrench to hold the yoke still while tightening, or get a special tool made for that.

May 04, 2009 | 1998 Ford F150 Regular Cab

1 Answer

Bearing on 4WD front differntial drive shaft yoke


In short yes, the bearing is pressed on the pinion gear, the only way it will come out is to remove cover on housing and pull carrier with ring gear out, and also yoke that drive shaft bolts to, then pinion will come out, there is also a crush sleve that will have to be replaced when it goes back together it goes over the pinion gear, thats for backlash ajustment when you tighten the pinion back in the housing. if you plan on doing this yourself you will also need a dial indicater to set the backlash. If you want my advise take it to a shop to have it done, if you don't get it right it could end up costing you alot more than if you took it someware and had it done.

Feb 03, 2009 | 1999 Chevrolet K1500

2 Answers

Rear diff leak on yoke of 2000 explorer


To replace the seal you must pull out the carrier assembly and the pinion gear and install a new crush sleeve if you do it by the book, I have found that if the yoke is removed a new seal installed and the yoke tightened to about 50 foot lbs of torque it is ok, as far as the lube goes there is a plug on the cast case of the diff, it will either be a square drive plug or a large allen plug, fill the diff so you can just touch the fluid with your little finger, don't overfill or the axle seals will start leaking.

Nov 29, 2008 | 2000 Ford Explorer

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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