Quote:
Originally Posted by nglayton
If it ain't broke don't fix it!
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I found oil on the threads of the plug on the driver's side, closest to the firewall when I changed mine at 120K. The truck runs fine and uses no oil over the 5K interval, and it's been sitting a lot due to covid work arrangements.
Anyway, I later did a couple hundred miles in a weekend and pulled that plug and the middle one on the drivers side to check them. Both were clean and dry. So, it seems like sitting may contribute.