#1
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Changing 944 rear wheel bearings
Hi
Has anyone changed the rear wheel bearing in their 944 alloy arms, just looking for tips. Steve
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STI powered 1303 in the works. |
#2
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Hello
you will need a press to do the job right (without damaging other component with hammering). Is a tight fit -in most cases the old bearing is destroyed- so attention is needed for the new one, hope it helps a little JIMP |
#3
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Hi
Pressed the bearings out OK, the inner-outer race gets stuck on the drive flange ruining the bearing & seal. On the Pelican 944 forum they said to freeze the bearing and heat the arm when fiting the bearing. Steve
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STI powered 1303 in the works. |
#4
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When I did mine I heated the arm up in the oven to about 100°C the bearing droped straight in, you will need to have press handy as the socond one I did just treid to nip as the bearing bottomed out, but the hardest job was removing the old ones.
John |
#5
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Just found out from a farmer friend that if you run a bead with the welder around the outer race of the bearing when its in the housing, it will shrink the outer race. It will come out quite easily. I tried it tonight, ran a bead just on the wheel side of the race the first time. It took a little work to get the bearing out. Second time I ran a bead on both the inner and outer. Then I had a 2.5" piece of pipe that I ran a bead around with the welder to make a bearing driver and it was just big enough to drive that bearing out with a couple whacks.
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#6
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I have this down to a fine art. We have a 10,000kgf press and access to a 100t, this is a better method sometimes when the part is awkward or lacking in meat to press against, like T1 and T2 balljoint cups for example. 1 slow bead with a MIG and leave it to cool for 5-10 minutes. 1 blow with a hammer isn't unusual. The amount of shrinkage can be impressive.
UK readers note 'signs of excessive heat being applied to suspension or steering components' is an MOT faliure. Matt
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'79 Karmann, Nrburgring or bust... |
#7
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The hard part I found was getting the wheel hub off so I could get the bearing out. I had to remove the snap ring and press the bearing out with the hub still on. Then the hub came off easier.
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1970 T1 W/MassIVe 2913cc RAT/?EFI? w/direct fire (very soon) and 915 trans 1962 SC 1776cc SP 944NA brakes, 993 wheels VKG |
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