Pinion Flange
04-20-2012, 09:51 PM
#1
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Pinion Flange
Had to replace a rear axle seal and pinion seal due to a plugged vent. When disconnecting the drive shaft, I discovered I could move the pinion flange side to side a bit. I pulled the flange, checked the bearing which looks okay, and replaced the seal. Reinstalled everything back to the mark I made on the threads of the pinion shaft and the play is still there. Now what? Is there a way to tighten this up??
04-20-2012, 10:46 PM
#2
It's a Canadian thing eh!
Had to replace a rear axle seal and pinion seal due to a plugged vent. When disconnecting the drive shaft, I discovered I could move the pinion flange side to side a bit. I pulled the flange, checked the bearing which looks okay, and replaced the seal. Reinstalled everything back to the mark I made on the threads of the pinion shaft and the play is still there. Now what? Is there a way to tighten this up??
04-20-2012, 11:38 PM
#6
It's a Canadian thing eh!
Just rebuilt a 8.8'' and a 9'' carrier last week, allot easier then some of the GM and Chrysler one's I've done, especially the 9"
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04-21-2012, 04:06 PM
#8
That side to side play means your preload on your pinion bearings is WAY OFF. More than likely that means your rear one is shot because it isn't likely that, that nut backed off. Anything you have to take that nut off you need to make sure you reset the pinion bearing preload and install a new crush sleeve. Alot just put it right back where the nut was or slightly past but that is no guarantee that the preload is right.
You really need to pull the carrier and pinion out and look at the bearings. If they are all good then reinstall it with a new crush sleeve and as long as you keep everything where it was you can just put it back together providing that you put a new crush sleeve in and reset the pinion bearing preload. So in that case the only special tool you would need is an inch pound torque wrench.
You really need to pull the carrier and pinion out and look at the bearings. If they are all good then reinstall it with a new crush sleeve and as long as you keep everything where it was you can just put it back together providing that you put a new crush sleeve in and reset the pinion bearing preload. So in that case the only special tool you would need is an inch pound torque wrench.
04-21-2012, 04:50 PM
#9
Senior Member
Originally Posted by ZWilson07
That side to side play means your preload on your pinion bearings is WAY OFF. More than likely that means your rear one is shot because it isn't likely that, that nut backed off. Anything you have to take that nut off you need to make sure you reset the pinion bearing preload and install a new crush sleeve. Alot just put it right back where the nut was or slightly past but that is no guarantee that the preload is right.
You really need to pull the carrier and pinion out and look at the bearings. If they are all good then reinstall it with a new crush sleeve and as long as you keep everything where it was you can just put it back together providing that you put a new crush sleeve in and reset the pinion bearing preload. So in that case the only special tool you would need is an inch pound torque wrench.
You really need to pull the carrier and pinion out and look at the bearings. If they are all good then reinstall it with a new crush sleeve and as long as you keep everything where it was you can just put it back together providing that you put a new crush sleeve in and reset the pinion bearing preload. So in that case the only special tool you would need is an inch pound torque wrench.
04-21-2012, 05:38 PM
#10
Aint that the truth. I use my 24 inch long breaker bar with like a 36 inch long pipe on it to crush the sleeve. It takes I think around 400 ft lbs to crush it so it can def be a pain. The best way I could find to hold the pinion while the axle was still in the truck was to get a bolt, or metal rod that would slid through one of the pinion flange holes and turn it until it locked itself against the top angle piece sticking on top the differential. But it was still a pain to get the truck up high enough to comfortably use that long of a bar and crank on it.
If I had to do it again, I think I would probably pre crush it a little bit in a vise before putting it in the truck to make life alot easier.