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Discussion Starter #1
Has anyone come across a problem with a noisy timing chain? It seems to give out an unnerving ticking sound when idling but disappears when 1200 revs are reached. It could be something else but the mechanic that looked/listened to it today thought it was the chain needed tensioning. Any helpful thoughts welcome but will probably have to take it to a Mitsubishi garage as my usual garage/mechanic does not have the specialized tools to change the chain if needed. Thanks in advance
 

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It sounds like it could be your balance shaft drive has wear on it. If its in warranty get a dealer to fix. if its outside warranty they still might help.
 

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Discussion Starter #3 (Edited)
It sounds like it could be your balance shaft drive has wear on it. If its in warranty get a dealer to fix. if its outside warranty they still might help.
Thanks DibbyDibbyDJ, much appreciated for confirmation, warranty has run out unfortunately. Since posting this question I've come across several posts on other sites that suggest the same problem. It seems as if it's a inherent problem with these particular engines where the balance assembly joint wears down and causes the noise. I can't seem to get just the 'joints' in the UK with my initial search but will pursue a little longer before going to the local Mitsubishi garage..... I believe it can be an extortionate cost as they insist on replacing most of the engine, lol. On Youtube
https://www.youtube.com/channel/UCMfZlywmunnS6VZ_yVgEjkA there is a guy (Ole Ivar Hagen) who describes the simple process of replacing the joints which seems to be the way to go if the parts can be sourced. Does anyone know of a place to purchase just the joints? even if it's from outside the UK. Thanks.
 

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the coupling joint wear when it makes the noise, and this in turn wears the balance shaft on one side, and the drive gear on the other side.

the kit they talk of consists of new balance shaft assembly, new coupling, drive gear assembly , crankshaft drive gear and timing case cover.

Just replacing the joint is not appropriate.

Here in Australia, the dealer i work at has done 6 in five years.. all under warranty, with most of them outside the warranty as goodwill
 

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Discussion Starter #5
the coupling joint wear when it makes the noise, and this in turn wears the balance shaft on one side, and the drive gear on the other side.

the kit they talk of consists of new balance shaft assembly, new coupling, drive gear assembly , crankshaft drive gear and timing case cover.

Just replacing the joint is not appropriate.

Here in Australia, the dealer i work at has done 6 in five years.. all under warranty, with most of them outside the warranty as goodwill
DibbyDibbyDJ. Thanks for the heads up.
 

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Discussion Starter #6
I've just replaced the balance shaft link (£43 from Japan) thought I'd try this before anything else. I think I caught it in it's early stage of wear as all the gears either side of the shaft looked fine with no missing teeth and no noticeable wear to the housings. Up to now the engine sounds fine and have taken it for a short spin and all looks ok at the moment. I will update if anything untowards happens. Thanks to all that have put information and input concerning this problem, I wouldn't have been able to this without your advise etc.
 
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