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1989 F150 4x4 5.0 5 speed manual.
Last week I posted about rear wheel bearings. With everyone's help I successfully did it without issue. Unfortunately my diagnosis was wrong. The INNER CARRIER BEARINGS are where the trouble lies. I need advice. When I opened the rear the gears look perfect. Wear pattern is where it should be. If I'm not removing the pinion, and I only remove the carrier and replace the bearings can I just use the same shims if any and reinstall it? Not sure if I'm asking correctly, but is bearing replacement more or less plug and play? I have done ring and pinions a couple of times in my life. Getting the pinion depth and ring gear shimmed correctly was challenging. I'm wondering if that's what I'm looking at or do I install bearings and bolt it up? Thanks to all that helped! Ray
The best answer I can think of is that you should double check the shims and wear pattern after changing the carrier bearings. I've heard of folks swapping gears and just putting it all back as they took it out without any immediate or apparent issue.
X2 on the above. Most likely no changes will be needed. At the very least measure the backlash and use some marking compound to verify the pattern is still good. If the backlash is a bit wide now would be the time to tighten it up a bit.
You always need to check the adjustments on any job.
That said, I do believe [using quality parts] the reason for the adjustments is because the cases are not all exactly the same. Since they do not have the ability to make that happen [on budget], shims were the next best thing. Good bearings are highly machined and leave the factory with very tight tolerances. Again, that is using a high quality name brand bearing, not some cheap bearing you buy on Amazon/Rock Auto/eBay/Aliexpress/etc. If you are using good bearings, I suspect the same shims will be totally fine. You probably will have a tougher time getting the carrier back in place since the bearings will be new.
You will be okay using the original shims
I sure would pull your pinion out and check those bearings too
You can re use your pinion depth shim too if you choose to replace those bearings
I have chipped a tooth before using a press and a bearing cone remover
So, I cut the cage off with dykes and remove the rollers
Then I take a dremel tool with a small cutoff wheel to cut the race
You get the race just about cut through, and then you can crack it, with a hammer and chisel, and they come right off
Thanks to everyone for your responses. I guess the plan will be to swap it out and give a quickie check to see that they are sitting right. Thanks to all! You guys are great!
Im placing the order for parts now. Timken part number is TMK-SET36 which includes LM603012 RACE AND LM603049 BEARING X 2pcs. Is this the correct parts for my 8.8? Any special tools needed beside my press? Any helpful hints?
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