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Old 10-27-2022, 08:45 PM   #1
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Timing Chain Guide Advise

While I have things opened up I am staring at the timing chain tensioner guides. They have a bit of wear. The flat guides have a groove with a max depth measured at .004". The tensioner guides have a groove with a max depth measured at .041". The wear is mostly at the end where it looks like the chain deflects the most. Should I replace these, or is this acceptable wear? Motor has 118k miles.

Looks like I would need to remove the oil pump housing to extract the bolts that hold the guides on the front of the motor.



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Old 10-28-2022, 05:21 AM   #2
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since you're that far in, I would absolutely replace them.
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Old 10-28-2022, 05:26 AM   #3
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Quote:
Originally Posted by EB_KC View Post
Looks like I would need to remove the oil pump housing to extract the bolts that hold the guides on the front of the motor.

When you remove the oil pump, replace the cast pump drive shaft with LN Engineering's chrome moly steel upgrade. Cheap insurance.
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Old 10-28-2022, 10:03 AM   #4
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Parts on order. Thanks for the replies.

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