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What do you think of this timing chain guide wear?


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can you tell which side/chain is causing the misalignment? Install one at a time and see if it’s onvious?

irrelevancy warning here - but on bike chains, if the chain is compromised it can be necessary to replace the sprockets it engages as well  

i forget where we ended when I aksed - are chain tensioners under full tension when the engine isn’t running since they require oil supply to function?

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It's the passenger side chain because it's as if the chain between the P side cam sprockets is a bit too long.  Chains on the pulling sides are as tight as they can get without running the engine.  The non-pulling side is tensioned only by the tensioner springs.

Edited by dburton97128
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  • 3 weeks later...

I replaced the tensioners, guides and chains.  ~2k mi and so far so good.  (5 hrs at 90 mph cruising since I forgot about the time zone one hour loss on a trip I was making.  Thank goodness for 80 mph speed limits).  Haven't heard any more chain rattle sounds.  After the repair I did an engine flush and dropped the pan and cleaned it out.  Some sludge in the low spot around the magnet, but didn't see anything concerning.

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