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Gearbox flange nut removal

Posted: Wed Apr 28, 2021 6:54 pm
by IncaDolly78
Hi all
I want to remove the driveshaft flange nut on my gearbox (Sprint), how do other people do this? Officially it requires an RG421 tool but I guess these no longer exist, do most people fabricate something instead? I tried securing two bolts on to the gearbox flange and locking with a crowbar and attempting to undo the bolt with a socket and extension bar but I stopped as it didn't feel overly safe! Thanks for any advice :-D

Re: Gearbox flange nut removal

Posted: Wed Apr 28, 2021 8:33 pm
by Carledo
Put it in gear and use a rattle gun, that's my preferred method!

Steve

Hmmm.......

Posted: Wed Apr 28, 2021 9:22 pm
by sprint95m
:D Not possessing a rattle gun or any type of gun for that matter,
I bolt a length of channel to the flange (as this is safer than the prybar wedged in place option)


Ian

Re: Gearbox flange nut removal

Posted: Wed Apr 28, 2021 9:51 pm
by IncaDolly78
Thanks to you both, looking at the leaking diff seal I will need to do the same there too! :roll:

Re: Gearbox flange nut removal

Posted: Thu Apr 29, 2021 12:28 am
by Mad Mart
I got a piece of 40x5 flat bar. Drilled two holes and notched out a bit to allow the socket to pass. If the axle is still in situ then let the bar rest against the floor.

Image