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Registered
Join Date: Dec 2001
Location: Motorcity R.I.P.
Posts: 608
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To replace or not to replace?
I’m in the process of replacing my front rotors. I have the hubs removed from the spindles and the outer bearings cleaned and ready for re-packing.
On the back side of the hub is the following (see photo): Inner Bearing Radial Sealing Ring Spindle Spacer Ring O-Ring Does this sound correct? My question is: How do you remove the Spindle Spacer Ring and the Radial Sealing Ring? Should I replace these items when re-installing? Thanks! |
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06-19-2002, 07:35 AM
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Senior Member
Join Date: Feb 2000
Location: Lacey, WA. USA
Posts: 25,310
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Huh? There's an inner seal and there is an inner and and outer bearing. Each of those bearings has a race pressed into the hub. The seal has to be removed in order to access the inner bearing. Typically, the seal is pulled and tossed, and both the inner and outer bearings are cleaned and inspected. Do not use gritty solvent (you'd be surprized how much solvent has grit) Brake cleaner works best. If the bearings or races show wear, or if they had been making noise, the races are pressed out and new races pressed in, and their matching bearings are used. Ideally, a press is used and the hub is heated so that the hub is not damaged. If you know this already, then 'nevermind.'
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Man of Carbon Fiber (stronger than steel) Mocha 1978 911SC. "Coco" |
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06-19-2002, 07:48 AM
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Registered
Join Date: Jul 2001
Location: Woodbine, Maryland USA
Posts: 251
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TurboRuf
Unless it is scored, you don't need to replace the spindle spacer ring, or the o ring behind it. The spacer ring is pressed on the spindle shaft and you would probably need to remove the strut and use a hydraulic press to get the spacer off. As I recall, the grease seal (radial sealing ring) rotates around the spacer ring. I use a seal puller to remove the grease seal. You can buy one at the local auto parts store for about $9. The one I have is made by Lisle Tool Company. When reinstalling and repacking, make sure that you grease the inner circumference of the grease seal. Good luck.
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John 1972 911T Coupe PCA- Potomac Region |
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06-19-2002, 08:12 AM
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Registered
Join Date: Jul 2001
Location: Woodbine, Maryland USA
Posts: 251
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TurboRuf
If you can't find it locally, you can get the seal puller from Eastwood (1-800-345-1178). It is Item no. 49005 and sells for $9.99. www.eastwoodco.com Type "seal puller" in the search window.
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John 1972 911T Coupe PCA- Potomac Region |
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06-19-2002, 08:32 AM
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Registered
Join Date: Dec 2001
Location: Motorcity R.I.P.
Posts: 608
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Superman,
I didn't realize the spacer is pressed on to the spindle. I thought it went inside the sealing ring. Thanks for the clarification. Thank you both for the pointers, I'll give it a go tonight. 
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06-19-2002, 08:55 AM
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