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Noise on transmission

colinjgraham
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22 Apr 2013 16:26 - 22 Apr 2013 17:23 #69247 by colinjgraham

Noise on transmission was created by colinjgraham

Hi, this is my first post so I may be covering old ground. My jimny has developed a grating noise from the gearbox or transfer box. It is more pronounced in lower gears and on the over run. It is almost gone in 5 th. It sounds as if the gears are running dry but it had been regularly serviced and there is no sign of oil leaks. Any help or advice is very welcome, cheers
Sorry, big thumbs and little phone, could this be moved to the technical forum please

Last edit: 22 Apr 2013 17:23 by colinjgraham. Reason: wrong forum

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barnes
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22 Apr 2013 17:42 #69249 by barnes

Replied by barnes on topic Noise on transmission

Hi there have you dropped the oil on diff and transfer box? Is there oil in there or contamination of oil ie water/swarf?

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colinjgraham
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23 Apr 2013 06:42 - 23 Apr 2013 06:43 #69302 by colinjgraham

Replied by colinjgraham on topic Noise on transmission

Hi, thanks for the reply, doing that today, hoping I don't find any swarf etc in there. I don't know the layout of the gearbox etc but it does run quietly in 5th so I hope that an oil change may help. I am away for a few days after lunch so I will post what I find when I get back, cheers, Colin

Last edit: 23 Apr 2013 06:43 by colinjgraham.

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kirkynut
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23 Apr 2013 21:08 #69337 by kirkynut

Replied by kirkynut on topic Noise on transmission

I've never heard one, so I'm not an expert on the subject but many people have complained of a similar noise and found the chain in the transfer box to have stretched.

Someone with some experience on it may be along soon to confirm my thoughts or blow them out of the water.

Kirkynut

The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.

My Jimny Thread Here: www.bigjimny.com/index.php/forum/8-my-ji...on-continues?start=0

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facade
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23 Apr 2013 22:59 #69355 by facade

Replied by facade on topic Noise on transmission

Possible, the chain touches the casing on the overrun, but I would have thought unlikely, the chain needs to be really worn, they are good for 150,000 miles if kept lubricated and not abused.

Not my photo, credit to the original poster

If it suddenly breaks, go back to the last thing that you did before it broke and start looking there

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facade
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23 Apr 2013 23:01 #69356 by facade

Replied by facade on topic Noise on transmission

Other people have reported a grinding noise caused by the partial engagement of one of the front hubs, worth a look there.

If it suddenly breaks, go back to the last thing that you did before it broke and start looking there

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Noise on transmission

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