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Steering Rack Rebuild - Loose Pinion Roller Bearings
I'm in the middle of rebuilding my steering rack and as I pulled out the pinion, some of the roller bearings came out with it. Of course once one comes out, they all come out:
 Is this normal, are the roller bearings normally held in place with grease, or should the casing hold them in place? If it needs replaced, any idea on sources? Thanks, Gordo
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Don "Gordo" Gordon '83 911SC Targa |
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04-04-2009, 01:53 PM
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Whatever
I wanted to get something done, so I regreased and put them back in. Seemed to work fine. I did look up on the internet - appears some are just made that way (loose in the retainer, held in place by grease).
Gordo
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Don "Gordo" Gordon '83 911SC Targa |
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04-04-2009, 05:43 PM
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Join Date: Jan 2002
Location: Long Beach CA, the sewer by the sea.
Posts: 37,813
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Good call. There is not a lot of info on steering racks. There are 2-3 rebuild thread here in the archives, but not easy to find. If the Wiki ever gets done, that will change.
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04-04-2009, 06:15 PM
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Porsche 911 SC, SAAB SPG
Join Date: Sep 2007
Location: Charlotte, NC
Posts: 308
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I ended up replacing the needle bearing with a new ball bearing. There is absolutely no slop now. I also swaped out the rusted needle bearing further up the chain. It is covered by the rubber boot. I used two bearings for this one.
Here is the link that I used. Basically it is a 6703Z double sealed bearing. In fact I have some extra since I only needed three but I had to buy ten. PM me and we can work something out if you want.
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Jeff C Last edited by jcunning; 04-04-2009 at 07:00 PM.. |
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04-04-2009, 06:58 PM
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grateful user
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rack
gordo, yes that is the way the bearings are, and be sure to dress up the tensioner slide and back of the gear where it ride, makes all the diff.
 
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fully disassembled, blasted, customized and restored 75 targa with factory hard top, 993 style turbo ft fenders, steel flares, C2 bumpers and rockers, 82 3.0 sc 9.5/1 engine with PMS flywheel, 964 cams, flowed heads, ssi's short geared 915 w/lsd, polybronze, bilstein,working lambda, modified and highly tuned cis, tensioners, pop valve, backdated exhaust and heater, 2300 lbs. no bolt left untouched. 1970 911E. Nice car but needs a re-do. |
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04-05-2009, 05:33 AM
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MAGA
Join Date: May 2004
Posts: 10,781
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Quote:
SC Steering Rack DIY Bearing Replace I try start all my "how to" type posts with "DIY" so that when searching, I can type DIY in the search engine to help find my old posts.
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German autos: '79 911 SC, '87 951, '03 330i, '08 Cayenne, '13 Cayenne 0% Liberal Men do not quit playing because they get old.... They get old because they quit playing. |
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04-05-2009, 06:04 AM
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Join Date: May 2009
Location: ORANGE COUNTY
Posts: 27
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How did you pressure test your rack?
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05-21-2009, 09:21 PM
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75 Porsche 911
bike
1970 porsche E
