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edgood1
Samba Member
Joined: September 30, 2004
Posts: 2049
Location: Plymouth, MA
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 Posted: Tue Jul 28, 2020 6:56 am Post subject: Front inner wheel bearing removal |
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Does anyone have any tricks to press out the front inner wheel bearing race? the manual says to press it out from the other side. I have a large drift of the correct size and a large press but the drift won't fit through the opposite side. The bearing race is about 59mm in diameter and the opening on the other side for the outer bearing is only 54mm.
I wanted to avoid using a punch. I think it would screw up the bearing seat as there's very little real estate to punch on.
I'm going to fabricate a special tool for the press to do this but wanted to ask if anyone had any tricks before i did so.
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1987 Syncro Westfalia powered by Subaru
1963 Panel to Deluxe Bus project :::: (photo album)
'65 Westfalia |
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Okie Adam
Samba Member
Joined: November 07, 2003
Posts: 1347
Location: OOOOOOOOOOOOOOOOOklahoma
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| Posted: Tue Jul 28, 2020 7:11 am Post subject: Re: Front inner wheel bearing removal |
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I use a brass punch to avoid damaging the race but that's my only trick
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earlywesty
Samba Member
Joined: May 03, 2004
Posts: 2358
Location: In the woods, Ontario
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| Posted: Tue Jul 28, 2020 9:40 am Post subject: Re: Front inner wheel bearing removal |
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| I also use a punch. Carefully |
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BarryL 
Samba Member
Joined: November 01, 2004
Posts: 14271
Location: Casa de Oro, California
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| Posted: Tue Jul 28, 2020 11:18 am Post subject: Re: Front inner wheel bearing removal |
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| Heat the drum around the race a little with propane torch then sometimes even a wood dowel will get it moving. I also use a brass drift. |
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74 Thing
Samba Member
Joined: September 02, 2004
Posts: 7394
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| Posted: Tue Jul 28, 2020 11:33 am Post subject: Re: Front inner wheel bearing removal |
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You use a punch or a drift whatever you want to call it and angle it in from the opposite side and hit it on opposite sides until it drops out-prob the drum on 2 2x4s so it can drop out.
A 2lb ball peen hammer works well.
https://www.youtube.com/watch?v=t2oLA6--fwQ
4min mark
Last edited by 74 Thing on Tue Jul 28, 2020 1:44 pm; edited 1 time in total |
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Thompson2
Samba Member
Joined: June 06, 2018
Posts: 659
Location: Portland, OR
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| Posted: Tue Jul 28, 2020 1:27 pm Post subject: Re: Front inner wheel bearing removal |
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| Why are you taking it out? I can't think of a good reason to pull it unless you're replacing it, in which case get a long straight punch and go to town from the backside. |
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edgood1
Samba Member
Joined: September 30, 2004
Posts: 2049
Location: Plymouth, MA
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| Posted: Tue Jul 28, 2020 1:31 pm Post subject: Re: Front inner wheel bearing removal |
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| Thompson2 wrote: |
| Why are you taking it out? I can't think of a good reason to pull it unless you're replacing it, in which case get a long straight punch and go to town from the backside. |
I want to media blast the drums and I think the bearings and races are mismatched. I'd rather just replace them and not have to worry about them.
Thanks for the input everyone.
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1987 Syncro Westfalia powered by Subaru
1963 Panel to Deluxe Bus project :::: (photo album)
'65 Westfalia |
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Thompson2
Samba Member
Joined: June 06, 2018
Posts: 659
Location: Portland, OR
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| Posted: Tue Jul 28, 2020 1:40 pm Post subject: Re: Front inner wheel bearing removal |
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| edgood1 wrote: |
| Thompson2 wrote: |
| Why are you taking it out? I can't think of a good reason to pull it unless you're replacing it, in which case get a long straight punch and go to town from the backside. |
I want to media blast the drums and I think the bearings and races are mismatched. I'd rather just replace them and not have to worry about them.
Thanks for the input everyone. |
Yup... long thin punch from the backside, a good hammer and some profanity... you'll be fine.  2x4 under the drum is a good suggestion to prevent chipping..
And if you were just blasting, stuff some paper towels in the center of the drum and be careful how you hit the center. No need to pull anything out for that. |
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campingbox
Samba Member
Joined: November 14, 2000
Posts: 10196
Location: Petaluma, CA
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| Posted: Tue Jul 28, 2020 8:23 pm Post subject: Re: Front inner wheel bearing removal |
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Your flaps should have a tool you can rent. It’s a drum race removal tool. It’s basically a circle with two bits chopped off it. They have them in various sizes.
There are some photos of the factory ones on this site in the tool listing. I think the number is 447 & 447b |
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edgood1
Samba Member
Joined: September 30, 2004
Posts: 2049
Location: Plymouth, MA
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| Posted: Wed Jul 29, 2020 2:53 am Post subject: Re: Front inner wheel bearing removal |
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| campingbox wrote: |
Your flaps should have a tool you can rent. It’s a drum race removal tool. It’s basically a circle with two bits chopped off it. They have them in various sizes.
There are some photos of the factory ones on this site in the tool listing. I think the number is 447 & 447b |
Thanks. I ended up making something similar that worked great. Someone else gave me the idea of welding a bead around the inner face of the race and the heat contraction causes it to drop out. I googled that and it's a real thing:
https://www.google.com/amp/s/www.hemmings.com/stor...-races/amp
Not sure that I'd use mig on a cast iron drum but I might try to Tig one.
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1987 Syncro Westfalia powered by Subaru
1963 Panel to Deluxe Bus project :::: (photo album)
'65 Westfalia |
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Joey
Samba Member
Joined: August 12, 2005
Posts: 5366
Location: Nova Scotia - Canada
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| Posted: Wed Jul 29, 2020 4:17 am Post subject: Re: Front inner wheel bearing removal |
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I've used the (MIG) welding method a few times. Worked everytime.
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Joey
‘60 Kombi - '74 Bus - '79 Panel - '65 Beetle |
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edgood1
Samba Member
Joined: September 30, 2004
Posts: 2049
Location: Plymouth, MA
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Bruce Amacker
Samba Member
Joined: December 26, 2007
Posts: 1786
Location: Cleveland, Ohio
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edgood1
Samba Member
Joined: September 30, 2004
Posts: 2049
Location: Plymouth, MA
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| Posted: Wed Jul 29, 2020 6:04 am Post subject: Re: Front inner wheel bearing removal |
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| Bruce Amacker wrote: |
| What's wrong with using a long punch? I've changed thousands of them (literally) that way. |
It's really loud and I do this stuff super early in the morning in my attached garage. It also eliminates the risk of screwing up the bearing seat.
_________________
1987 Syncro Westfalia powered by Subaru
1963 Panel to Deluxe Bus project :::: (photo album)
'65 Westfalia |
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Okie Adam
Samba Member
Joined: November 07, 2003
Posts: 1347
Location: OOOOOOOOOOOOOOOOOklahoma
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| Posted: Wed Jul 29, 2020 7:20 am Post subject: Re: Front inner wheel bearing removal |
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I like the tool you made. Nice and delicate.
I have also used the method of mig welding the inside of the race to shrink it. Works great!
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Oil Capital Air Cooled
55 Wolfsburg Kombi
60 Walkthrough Kombi
62 Single Cab
66 21window
67 so42
76 Westy
64 Karmann Ghia |
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