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I'm tracking down a mysterious an oil disappearance in my truck and I pulled the plugs (which all look great) and decided to adjust the valves and see if anything was wonky there - just the exhaust ones were tight so I adjusted those. I also noticed that the timing chain guides (which have about 80k miles and are metal backed) are being worn into which I know is fine but I thought I would ask if this amount of wear is normal. Thanks!
Just a guess, but that guide looks pretty thick.
iirc, the oem guides use shoulder bolts, and even after torqued it allows some lateral movement of the guide.
I think the aftermarket metal-backed guides are bolted in place with no movement.
Jan 3, 2025 | 11:31 AM
