Front axle pinion bearing
03-05-2012, 02:13 PM
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Front axle pinion bearing
My front axle pinion bearing is shot. I have plenty of tools and nohow so i would like to fix it myself. I had got a quote of $1000 to $1500 to fix it! For that money i will buy whatever tools i don't have that i need to do it myself. I did a little research and looks like parts to fix won't even cost $100. I have indicators to check gear slop. What else do i need, and info on how to do this right would be really appreciated.
03-05-2012, 04:20 PM
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I would look at Youtube to get a guide. You need an inch-lb. torque wrench, regular 1/2" torque wrench, probably can get by without a case spreader, get yourself some gear marking compound ( I use standard Prussian Blue oil paint ) Actually, you really shouldn't need a dial indicator unless you don't keep your shims in order. I have found that unless you are changing the gears, not much other than what I listed is required. Don't cheap out on the bearings, the time to get it right is worth more than the savings on Chinese bearings.......
03-06-2012, 12:05 AM
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I have 2 Inch-pound torque wrenches, a couple of 1/2 inch ft-lb. torque wrenches. I also have gear marking compound. Where do you suggest getting the "good" parts needed. And any idea on what parts i would need. I figure on getting a new crush sleeve. I thought to do it right you needed to indicate backlash on gears. I've read that some just mark or count on the threads how far to run nut in, but the best way is to us indicator.
03-06-2012, 07:37 AM
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I have 2 Inch-pound torque wrenches, a couple of 1/2 inch ft-lb. torque wrenches. I also have gear marking compound. Where do you suggest getting the "good" parts needed. And any idea on what parts i would need. I figure on getting a new crush sleeve. I thought to do it right you needed to indicate backlash on gears. I've read that some just mark or count on the threads how far to run nut in, but the best way is to us indicator.
This is where I would get them from, if you don't want to order, just make sure you get Timken or better quality.
As for the backlash, unless you change your shim packs, the backlash really won't change. The Pinion has no backlash, LOL, that's what got you in this mess to begin with.....
You have checked your gears for being serviceable, right?
03-06-2012, 12:24 PM
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I have not torn into it at all yet. I still need it everyday to drive. I will order what i know i need and hope i don't need anything else. And then do it on weekend. I need to replace two more ball joints anyway and might as well do universal joints and axle seals while i have it apart. Reason i said about backlash is i saw a video on how to do this and the person used an indicator and kept checking it while tightening the nut. I never did this before. He said it was the right way of doing it even though a lot of people just run the nut in to where it was before by counting showing threads.
03-06-2012, 04:10 PM
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Reason i said about backlash is i saw a video on how to do this and the person used an indicator and kept checking it while tightening the nut. I never did this before. He said it was the right way of doing it even though a lot of people just run the nut in to where it was before by counting showing threads.
My 97 service manual lists old bearings as 10-20 Lb/in and new at 15-35 Lb/in to rotate.
Hate to say this, especially since you are digging into unknown territory to you, I would highly suggest you get a factory service manual for that beast. I was going to recommend genos, but it looks like they don't have 2001 manuals any longer.
Maybe try Ebay.
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03-11-2012, 08:19 PM
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03-11-2012, 10:10 PM
#12
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03-12-2012, 06:59 AM
#14
With that said, if you do pull the axles.....you must separate the inner/outer axleshafts and reinstall the outers into the unit bearing. If you don't, the bearing will quickly self-destruct.