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> front wheel bearings ..., how tight is too tight ???
McMark
post Jan 21 2006, 05:31 PM
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andy here, using mcmarks computer ...

quick question:
putting back together my 911 front end and got the nut for the hub as tight as it goes, wheel still spins freely.
shouldn't there be some drag ???

how tight is tight enough ???
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lapuwali
post Jan 21 2006, 07:22 PM
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My technique has been to snug up the wheel nut very tight, while also using a big screwdriver against two temp. lug bolts to spin the hub as I tighten. This keeps the rollers from dimpling the races. Usually, the wheel will barely turn once fully tight like this. I then back if off completely, then tighten it down WITH MY FINGERS until I can't feel any wiggle in the wheel.

Alfa manuals (very similar front end design) have you tighten to 35 ft/lbs, then back off, then retighten to 7ft/lbs.

If you can't feel any wiggle in the wheel, it's tight enough. If you can't spin the wheel freely as well, it's too tight.
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Posts in this topic
McMark   front wheel bearings ...   Jan 21 2006, 05:31 PM
Cap'n Krusty   Bearing races fully seated? Correct bearings? Go...   Jan 21 2006, 05:36 PM
J P Stein   Tight enuff is when you can move the big washer in...   Jan 21 2006, 05:37 PM
SLITS   Andy...you know better.....rollerbearings were inv...   Jan 21 2006, 05:41 PM
McMark     Jan 21 2006, 06:05 PM
Cloudbuster   Ah allus went wif the method of tightenin until th...   Jan 21 2006, 06:14 PM
TimT   manual says tighten to 10 lb/ft, rotate wheel back...   Jan 21 2006, 06:15 PM
SLITS   Sorry Andy....of all the wheel bearings I have tig...   Jan 21 2006, 06:17 PM
lapuwali   My technique has been to snug up the wheel nut ver...   Jan 21 2006, 07:22 PM
hmeeder     Jan 21 2006, 07:22 PM
Racer Chris   <...   Jan 21 2006, 07:37 PM
Twystd1   I'm with Slits, Been doing it that way for ov...   Jan 22 2006, 03:24 AM
J P Stein   <...   Jan 22 2006, 06:23 AM
Twystd1   Holy shit I sound old... 40 years...yada...yada....   Jan 22 2006, 06:31 AM
J P Stein   <...   Jan 22 2006, 06:51 AM
9146986   I rotate the hub or rotor whilst tightening the pi...   Jan 22 2006, 07:51 AM
Bleyseng   If the bearings are new then you can tighten em do...   Jan 22 2006, 10:19 AM

 

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