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Front Wheel Bearing Squeal

To: "Triumphs List (E-mail)" <triumphs@autox.team.net>
Subject: Front Wheel Bearing Squeal
From: John & Patricia Donnelly <pdonnel1@san.rr.com>
Date: Fri, 4 Jun 2004 11:52:10 -0700
My TR wheel bearings have developed a nasty habit of making squealing 
noises at low speeds. Light pressure to the brakes eliminates the squeal, 
as does turning corners. Once over 35 MPH the squeal goes away.

As I recall from the manual you're supposed to tighten the castellated nut 
to about 10 LB then back off 1 or two flats. When I do this there seems to 
be more endplay than I feel is correct. Does anybody have a endplay spec?

Also, if the bearing starts to squeal I assume that it's the race bearing 
surface that's spinning on the stub axle, thus the squeal. I usually apply 
a coating of bearing grease to this surface before installing the hub and 
bearings. Should this be clean?

And, now that they've started squealing do they need replaced?

Thanks for your help!
John
'67 TR4A





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