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If you are talking the rear pinion seal, it isn't too bad at all. You just have to drop the drive shaft, remove the pinion nut and pull the pinion, then knock out the old seal and hammer in the new one. Going back together is just the reverse but you have to torque the pinion nut to the specified setting. As long as you are not removing the pinion gear you do not need to worry about setting the rear end up or worry about the crush sleeve.
Pull the rear cover, remove the axles, remove the carrier assembly, drop the drive shaft off the yoke,remove pinion nut, remove the yoke and knock the pinion out with wooden or brass hammer. The pinion bearing will have to be pressed off and on with proper shim. reinstall with new crush sleeve. There is alot specs and readings yoy need to follow so it is best to get a repair manual and follow it to the tee.
If its a 4x4 remove rear drive shaft from vehicle, remove large nut (pinion nut) at front of diff which is generally hidden when driveshaft is in place. with a bearing puller remove pinion bearing replace with new one, install new pinion seal reinstall pinion cover and pinion nut tighten to specified torgue reinstall driveshaft check diff oil for proper amount
SEAL COULD BE LEAKING CAUSE YOU DIDNT LUBRICATE THE SEAL LIPS WITH PETROLEUM JELLY TO HELP THE THE SEAL LIP SEAL OR YOU DAMAGE THE SEAL WHILE DRIVING IT IN.AXLE FLANGE NUTS TORQUE IS 58 FT LBS THE AXLE HUB NUT TORQUE IS 177 FT LBS.
There is no torque specs,this nut has to be tightened back like it was ,the best thing to do,was,to late now,is to use a torque wrench to remove the nut,and remember the torque,and when replacing it,torque it back to that spec,the reason being,there is a crush sleeve between the front pion bearing ,and the rear pinion bearing,and it has to be crushed to a certain amount,to aquire deepness into the ring gear,anyway just give it about 25 lbs torque,any more the crush sleeve will crush even more and the deepness of the pinion will be too much.
if you call your chry dealer and give him the last eight numbers in your vin,he can tell what came with your truck. but if you need a pinion seal,there is no reason to get into the rear end.just remove the drive shaft and yoke nut and yoke,then seal.
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.
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.