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Fan belt issue keeps coming off

  • shaggy
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06 Mar 2019 09:13 #204172 by shaggy
Fan belt issue keeps coming off was created by shaggy
My fan belt snapped about 2 weeks ago and i replaced it. All was fine til last night when it came off again. I put it back on but it came off again.

I am suspecting the lower pulley (crank Pulley). This is a two part pulley with a rubber ring separating the inner and outer parts. There seems to me to be undue movement in this. When putting the belt back on I noticed I could move the outer part of the pulley on the inner one quite easily with my fingers. Do I need to replace this or is it meant to be like that?

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  • Lambert
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06 Mar 2019 09:30 #204173 by Lambert
Replied by Lambert on topic Fan belt issue keeps coming off
Welcome to the forum. Yes definitely replace it! They're held on with a bolt with a large flange built in. This will almost certainly have rusted itself very very firmly to the pulley and it's going to put up a fight. Or it'll just crack off with a decent impact gun. Some people have also wedged a breaker bar against the chassis and flicked the starter. Others have had to resort to slicing the flange off with an angry grinder. Best of luck!
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06 Mar 2019 10:43 #204181 by shaggy
Replied by shaggy on topic Fan belt issue keeps coming off
Cheers Lambert now to find the correct part.

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06 Mar 2019 10:46 #204183 by shaggy
Replied by shaggy on topic Fan belt issue keeps coming off
Or is it this one...
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  • Lambert
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06 Mar 2019 10:56 - 06 Mar 2019 10:57 #204184 by Lambert
Replied by Lambert on topic Fan belt issue keeps coming off
If you send a message including your registration number via the shop at the top of the page Martin who owns the site will be able to get you the correct one at a very reasonable price.
Temeraire (2018 quasar grey automatic)
Pavement princess or back road menace?
Bellerophon (2024 grello van daily)
ADORJ Attention Deficit Ooooh Race Jimny!
Last edit: 06 Mar 2019 10:57 by Lambert.

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06 Mar 2019 11:26 #204187 by mlines
Replied by mlines on topic Fan belt issue keeps coming off
www.bigjimny.com/store/crankshaft-pulley-p284.html
Martin

2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses

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