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Re: [T3] Odd Rear Wheel Mystery


On 21 Nov 2002, at 21:55, Parker-Durost wrote:

>     What does a loose hub sound like?  I still have the once per rev thumping
> under heavy breaking coming from the right rear.  I don't feel it, just hear
> it.  I've opened up the drum and all the brake hardware is fine.  The cotter
> pin is still in the axle nut, and I've driven a thousand miles since Parma
> w/o a noise.  I haven't checked tightness, but will do so this weekend. 

No sure answers, just a couple of suggestions:  

It's very hard to be sure which direction some sounds are coming from. Make 
sure it is the REAR by seeing if the E-brake does it also. If it is a front it may 
just be some rust on a rotor in front.  

Check for a cracked drum by removing the wheel and having someone press 
hard on the brake pedal while you examine the drum for a crack that the 
brake force spreads open. You'll have to inspect, release, rotate, press, 
inspect, release,....  

Check the tightness of the 4 backing plate bolts on each side. Didn't you 
recently have at least one of these off to replace the seal?  

Check the torque of the hub nut: 225 ft-lbs.  

Check the torque of the wheel bolts: 95 ft-lbs.  

>     Someone suggested a bad tire or rim.  Well I got four new radials last
> week, rotated the rim and no change.  It sure is nice to have four matching
> good tread tires though.  No more tire time bomb. 

-
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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