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Excessive on-float clunk
There's a shit-ton of slack in those transfer case chains
(shit-ton is a technical measurement indicating engineers didn't have
a clue when they designed something which resulted in going way
beyond anything a sensible person would even consider)
The clunk is the front and rear diff syncing with the engine torque.
I've just replaced the front output shaft bearings in the transfer
and this made a noticeable difference.
Even more than replacing the chain.
These 722.6 automatics have a really soft shift pattern,
so a noticeable clunk indicates a drive train issue.
Cheers
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Life's Too Short To Drive A Toyota
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