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I finally got it sorted out! I verified it wasn't getting oil to the passenger side head. After blowing compressed air into all the lash adjuster holes and not fixing it, I decided I needed to pull the passenger side head again and verify the oil passeges that way, possibly blow air through the...

When I bought the lash adjusters, it was economical to buy an entire set instead of just for the side making noise. But I only installed new ones on the side with the issue. Thus, I still have 8 new adjusters, and decided I'll try soaking those in oil and installing them. I was surprised to...

Thanks for the reply. Since I posted, I actually pulled-out the lifters from the passenger side, soaked them in fresh oil for 24 hours, and pumped them by hand in the oil three times across that timespan. I was surprised that after all that I could still bottom-out half of the adjusters in the...

Hello. I've been searching for likely next steps on fixing a 2004 Grand Cherokee 4.7, but have run out of known options. I'm hoping someone has experienced this issue before and has some advice on where to look next. Here's the back story and what I've done: The engine overheated due to a...