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Thanks!
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So cool...more pics of your restoration anywhere on the board?
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Does the needle bearing truly need replacement? My experience has been these can easily be disassembled and cleaned. I recently disassembled a rack and the Torrington bearing was easy to "rebuild" by picking out the needles, clean them off, smear the cage with grease and stack the needles back in there.
Thanks to Nick for the link to MSC. Type in "1712 bearing" and the IKO bearing for $8.54 comes up! |
why haven't any of you guys figured out how to hot rod the steering rack yet?
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Not really;) |
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Quick Ratio Steering Porsche Part Distributed By Patrick Motorsports |
low ROI has not stopped many Porsche owners
BTW - who is going to weigh their rack & etc. -- just to let the Borg add to the database |
very nice...looks like someone has been to the powdercoater of late.
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I have to change my boots and tie rod ends. As the car is engineless, up in the air, I may as well look the rack over and see how it held up. I do think I'll change the grease and bearings and inspect the puck.
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Anybody ever try ordering any of the repair parts from Porsche? They seem to still offer some of the seals, o-rings and other wear parts for the 914-4 steering racks and I'd bet many of the parts are the same.
JR |
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Plus the bearing that's original to the rack is most likely of better quality. Just my opinion................ |
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have the same problem on my 78 SC.
that's my project for this spring, since the car is stored away for the winter. Since I will have someone check out my play in the steering wheel, how much work do you figure it will be ? hours ? parts ? I want a steering wheel feeling that will make me enjoy the car at highway speed as well as on country roads, wich is not the case right now. thanks for advices Luc |
If the bearing was truly running dry it would seize up or really increase the steering effort . All i'm saying is that the bearing is a VERY simple piece to take apart and look at. Needle bearings are very good at telling you when they're bad. They leave their mark on the shaft in the pattern of the needles.
BTW the lower bearing is indeed pressed onto the pinion. You remove the circlip and shims and then have to pull it off with a tiny puller arrangement. To reinstall, a socket of suitable size in your workbench vise works great. Luc, The steering rack rebuild process is not hard. If the tie rods are already being replaced, then the work to get the rack out is even easier. After the tie rods, the rack mount bolts and the upper shaft u-joint connection are the remaining spots to disconnect the rack from the car. After that, it's just a matter of taking apart the rack which is quite simple. |
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I had 26 in mine. |
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http://forums.pelicanparts.com/uploa...1358784278.jpg |
I just replaced the bearings when I did mine. Very cheap insurance.
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I just disassembled mine today. Interestingly, the needle bearing from my '77 had 26 rollers in it just like Jaybird12.
And amazingly, the 35 year old grease appeared to be in pretty good shape, as were the bearings and puck. But as folks here have said, as long as I've got it to this point I might as well replace the bearings and be done with it for another 35 years. Question - is a "caged" needle bearing suitable for this application? This is the only 1712 bearing listed at MSC. I guess this avoids accidentally losing the rollers. Shell Needle Roller Bearings - Radial Ball Bearings | MSCDirect.com Also, does anyone know where to order the O-Ring used at the top of the pinion? Thanks |
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