NC Steve

I bought a pintara diff with 4:11 gears which I am attempting to fit to my Fairlane. I have started pulling apart the pintara diff and have run into a little problem of not being able to undo the crownwheel bolts. I know they are left hand thread but with my rattle gun on its highest torque setting I still can't get them undone. Any Ideas??

WBT56

Try going forward and back.

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If you're not driving a manual you're really just steering.

CURTIS

heat it with a blow torch then try

WBT56

You cannot heat hardened gears and expect them to live.

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If you're not driving a manual you're really just steering.

xdc351

Put the whole hemisphere onto an axle so that its supported at a workable height and attach the axle to a tyre so it can't move while you or a friend is standing on the tyre... then get either a 3ft long breaker bar or a normal ratchet with 3ft of pipe over the handle to make it super long. they should come off OK then.

Failing that get a decent quality spanner and a small sledge hammer, should come off eventually. But watch the ring gear when you tap it off, its a long way to fall onto a solid surface if its not supported properly.

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Just like a Tsunami.

NZ

So no wonder I gave up with a normal spanner!!

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Dot Aye You