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8N front wheel bearing replacement

No special tools needed. Do recommend the F0-4 service manual.
My bearing holders were so worn all the bearings fell out when I took it off, replaced it with new stuff, was not difficult.
The "new stuff" is probably not as good as the "old stuff", so only replace if yours is really worn.
Maybe yours just needs repacking with fresh grease.
 
I have a lot of slop in the left front wheel. I assume the slop is due to bad bearings. I guess it could be a bad spindle. Not sure what it is until I tear it down. Could the spindle itself cause this slop?
 
I have a lot of slop in the left front wheel. I assume the slop is due to bad bearings. I guess it could be a bad spindle. Not sure what it is until I tear it down. Could the spindle itself cause this slop?
 
Someone else can probably weigh in on the spindle being the cause.
Slop was not the case in mine, I only took it apart because I needed new front tires and I hadn't tended to the front wheel bearings in the 10 years I've had it.
But taking it apart, inspecting the condition of the bearing assemblies should give a good indication.
Maybe it will just need repacking.
 
" I assume the slop is due to bad bearings"

An assumption is the mother of all screw ups.

Diagnose the problem before you start buying parts.

In order of probability:

Worn tie rod/drag link ends.

Worn spindle bushings (not the spindle)

Worn bearings.

Rarely do bearings fail w/o taking the races w/ them. So, if it is the bearings, you have inner & outer & their races. Drive the races out w/ a drift, install the new ones, pack the bearings (not the hub)& install them.
75 Tips
 
Thanks all. My tractor stays at the farm which is 75 miles away. The prudent thing to do is tear it apart and come home, order parts and when they get here, return and put it back together. A loose axle nut would give me these symptoms. Boy I hope it's that easy (and cheap) to fix it.
 
Could be lucky......noticed some wandering on the way back from the field for some round bales on the 861....just a few days back....just a loose nut!!
 

As all have said bearings rarely go bad. But they will go bad if that nut is loose and the bearing does not ride on its race probably.

Take the nut off and slide the hub off. Remove the rear dust seal and the bearings should pop out with minimal effort.

I wash the bearings in diesel or ATF dry off inspect and then repack with good grease. You need to work the grease into every nook and cranny of that bearing. When you think you're done pack it with some more grease.
Remove all that grease inside the hub that people tend to think needs to be there and clean off the races and inspect them. Check for gouges nicks and scratches or very worn areas and replace if needed as Bruce stated. The condition of the races will give a good indication as to the state of the bearings.
Don't forget to replace the dust seal.
 
Follow-up- I pulled the front wheel over the weekend. The castle nut was loose but I couldn't get it to tighten ie acted like it was stripped. I cleaned up the threads and replaced with a new castle nut. I pulled the bearings and checked them and re-packed them while I had it apart. Everything is back together and I am back on the road. Thanks all for the advice.
 

I did not have to deliberate too long to decide to replace my front wheel bearings....

mvphoto27632.jpg


I tried to drive in the bearing seat with a plastic pipe and some hardwood. This is not working out too well. I'm guessing there is a proper way to do this. Is there a special tool - or can I take it to Napa and have them drive them in with a press? I have not done this before.
 
Do remember that the castled nut is to be a bit loose. Manual says to tighten until tight and then back off about 1/8 turn and install cotter pin.
 
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