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Unread 12-24-2009   #1 (permalink)
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Default 1968 Mustang-How do you replace rear wheel bearing

I have a 68 and my driver's side rear wheel bearing has gone bad.
I have a few questions about replacing it.
  1. Can they be replaced with ordinary tools? I do know that I may need an axle slide hammer.
  2. Do you need to go into the pumpkin to remove anything to get the axle out?
  3. Do you need a special tool to pull the bearing out?
  4. Is there a special tool to seat the bearing back into the tube?
  5. Any other things to consider, or watch out for when doing the job.























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Unread 12-24-2009   #2 (permalink)
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Quote:
Originally Posted by bexleykent View Post
I have a 68 and my driver's side rear wheel bearing has gone bad.

I have a few questions about replacing it.
  1. Can they be replaced with ordinary tools? I do know that I may need an axle slide hammer. You can get them out with a slide hammer and ordinary tools (well a seal removal hook is handy and makes fast work of getting the seals out). One of mine needed the slide, the other came out with a pull. Most parts stores rent the slide hammer for free w/ a deposit.
2. Do you need to go into the pumpkin to remove anything to get the axle out?
No, no need to go into the pumpkin.

3. Do you need a special tool to pull the bearing out?
You need to take the axles to a shop that can press them off/on, most independent tire shops do this, muffler shops, etc. you can call and get an hourly charge. I chiseled the retaining ring off first and it only took 1/2 of labor to get the bearings off/on. You can see one pic below, following the shop manual I made 4 indentions with a chisel the whacked away in a spinning motion to get the retainer to break free, a new one comes with the bearings. I bought the bearings and brought them to the shop that pressed them for me, cheaper, they're in the last pic and fit most small bearing 8 & 9".

4. Is there a special tool to seat the bearing back into the tube? Nothing special to get it back in the tube, put a new seal in first and be very careful not to tear the seal when you slide the axle back in.
5. Any other things to consider, or watch out for when doing the job.
Take the drum off, then unbolt the 4 retaining bolts, get the axles out and carefully slip the brake backing plate with shoes/springs intact out the way and you shouldn't need to undo the brakes. Now you can get to the seal and check the bearing surface, I used some emery cloth to make sure there were no burrs where the bearing or seal sits. Tap the seal in evenly and put a little grease on it so it's not dry.

Some people get them to slide out by putting a tire back on the studs with some space to use the rim as a slide hammer jerking the wheel back against the lug nuts.

Take note when you're putting them back in, one short , one long, can't mix them up. Once you get them slid back in slight turning will let you know when the splines are lined up then give the end a whack with a block of wood and a mallet, they make a 'click' and they're back in.
Attached Thumbnails
1968 Mustang-How do you replace rear wheel  bearing-67rearaxlereassembly4.jpg  1968 Mustang-How do you replace rear wheel  bearing-67rearaxlereassembly3.jpg  1968 Mustang-How do you replace rear wheel  bearing-67rearaxlereassembly1.jpg  1968 Mustang-How do you replace rear wheel  bearing-67rearaxlepulled.jpg  1968 Mustang-How do you replace rear wheel  bearing-67rearaxlelockcollarremoval.jpg  

1968 Mustang-How do you replace rear wheel  bearing-67rearaxleheights.jpg  1968 Mustang-How do you replace rear wheel  bearing-67rearaxlebearingparts.jpg  
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Unread 12-25-2009   #3 (permalink)
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Jonk67 thank you for the time you spent on such a detailed response!!

Based on your pictures, it appears to me that the part that needs to be pressed in is a retaining collar, not the bearing itself. This is the piece you made the indentations on. Is my observation correct?

If this is the case do you think that when I replace the new collar on, I could get a pipe that is a slightly bigger diameter than the axle shaft and hammer it down the shaft?
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Unread 12-25-2009   #4 (permalink)
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that is the old school way, but it will work. have done it many times.
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Unread 12-25-2009   #5 (permalink)
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Quote:
Originally Posted by bexleykent View Post
Jonk67 thank you for the time you spent on such a detailed response!!

Based on your pictures, it appears to me that the part that needs to be pressed in is a retaining collar, not the bearing itself. This is the piece you made the indentations on. Is my observation correct?

If this is the case do you think that when I replace the new collar on, I could get a pipe that is a slightly bigger diameter than the axle shaft and hammer it down the shaft?
The bearing is pressed on also, I don't know how you would get pressure behind the bearing to get it loose, you could use the pipe method I guess to get it back on. As mentioned I chiseled the retainer off and then took the axles to a tire shop and for $25-$30 1/2 hour labor charge I picked them up done, it was well worth all the pounding and cursing to have them do them. I cleaned the bearing surfaces and installed the seals while they did the bearings, that way when I picked them up I was ready to slide them back in. I try to avoid the high aggravaiton part of the job if it's affordable.

By the way I get to Greenville and Florence for work ~once/yr., Greenville is a quant town, I like eating at the overlook at the gorge.
Jon
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Unread 12-26-2009   #6 (permalink)
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Jonk67,

OK I have the Axel out, and right now I am struggling to take the bearing and retaining collar off. I will try to find a shop to do it.

For laughs, look at the rig I made to try to get it off. It didn't work.


1968 Mustang-How do you replace rear wheel  bearing-dsc02766.jpg 1968 Mustang-How do you replace rear wheel  bearing-dsc02768.jpg 1968 Mustang-How do you replace rear wheel  bearing-dsc02767.jpg
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Unread 12-27-2009   #7 (permalink)
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It might work if you chiseled the retaining ring off first (that ring of steel on the top side of the bearing) there's no way you're gonna get them both to break free at the same time. Take another look at my pic of it in the vice, here are the instructions from the ford shop manual:
"Loosen the inner retainer ring by nicking it deeply with a cold steel chisel in several places, it will then slide off easily"

I don't know about 'easily' but I rotated it in my vise giving it at least 4 good deep V groove whacks with my chisel/sledge or hammer then putting the chisel at a 45* to the V and whacking then rotating until the ring spun loose. Then I took it to the shop to have the bearing pressed off/on.

Nice job on the home made tool, if you want to see if it'll get the bearing off (soak it with penetrating oil to help) after you get the ring off.

I think you're learning what I did, after all the aggravation it's worth $30 bucks to leave it at a shop and pick them up done an hour later...
Jon
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'09 Black Warriors In Pink with glass roof - the wifes Mustang.
"If it ain't broke, I haven't fixed it yet" -Jon
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Unread 12-27-2009   #8 (permalink)
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Jon

The job is finally complete.
The key was chiseling the retaining collar. It only took me about 10 minutes. Four groves and it came right off.






As far as putting the bearing and retaining collar back on, I just used a pipe, and slid it down the axle shaft and used the pipe like slide hammer. Thank you again for your help and time. You saved me a lot of time and money.

Attached Thumbnails
1968 Mustang-How do you replace rear wheel  bearing-dsc02770.jpg  1968 Mustang-How do you replace rear wheel  bearing-dsc02774.jpg  1968 Mustang-How do you replace rear wheel  bearing-dsc02771.jpg  1968 Mustang-How do you replace rear wheel  bearing-dsc02775.jpg  1968 Mustang-How do you replace rear wheel  bearing-dsc02777.jpg  

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Unread 12-27-2009   #9 (permalink)
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Good job Andrew, did you try your puller contraption on the bearing by itself before tapping off the bearing like in the first pic? I take it the bearing wouldn't move with the puller you made?

Looks like someone owes me a next time I'm in Greenville!

Will you be going to the National show at the Biltmore in NC in Sept. 2010? I've already got a room for the family.
Jon
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Unread 12-29-2009   #10 (permalink)
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Jon,

I did try the contraption on the bearing only, and it did not come off. For clarity of other readers, I took the retaining ring off separately from the bearing. I just kept chiseling groves into the ring deeper until it came loose on its own,then I chiseled off the bearing at a 45 degree angle as shown in the pic.

I didn't know about the Baltimore show. I will look it up.
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Unread 12-29-2009   #11 (permalink)
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Biltmore show:
Blue Ridge Mustang Club of Asheville - 2010 Nationals

Jon
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