Glenn Franco wrote:
Brian
> I have read the three posts pertaining to your backlash issue and it
> appears that apples and oranges are being compared.
> I have rebuilt many axles and the relationship of the parts discussed
> don't seem to relate.
>
> * Carrier bearing shims will move the ring gear laterally left or
> right changing contact with the drive pinion.
> * Moving the drive pinion fore and aft using shims will change the
> ring and drive pinion contact pattern.
> * Some noise (clunk) can come from excessive backlash (drive
> pinion to ring gear)
> * Side gears sit in the case and mate up to the stub axles (yes
> there are shim or washers behind them)
> * If the spider gears have too much backlash (movement) then
> either the cross shaft is worn in the case or yes the washer
> thickness needs to be increased.
> * Carrier bearing shims will _not_ have any effect on the spider
> gear clearance
>
> These are 4 differential pinion or spider gear shims (cup shims)
> listed from TRF
> The side gear only has one shim listed
Maybe I'm missing something in the conversation but the biggest cause of
clunk in these TR6's is usually worn or broken mounts that need to be
replaced. Urethane mounting parts seem to work the best.
Good Luck
Glenn
71,72 TR6, TR250 and Spit race car
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