I Do This For The Glory
Join Date: Dec 1999
Location: Nobleboro, Maine
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Re: 98 TJ 4 cyl ticking when cold
My '95 Trooper does this as well, has for about 90,000 miles now, and it's a common problem with the lifters in the mid-90's 3.2L Isuzu engines. The Isuzu "remedy" is to run Mobil-1 0W-30 oil in it, they call for that oil specifically. However, I tried it and it got a lot worse, so I went back to 5W-30. It does it a lot more when it's cold, and not at all in the summer. Eventually I'll just have it rebuilt, sorry I can't help more. I looked for a remedy years ago and came up empty.
None of the "quick fixes" or "snake oils" worked either, I tried a number of them.
Winter Harbor, Maine
'81 CJ-8 Scrambled, It's a Jeep, Chevy, IHC kinda thing!
'88.5 Slamurai, 7" Lift, Locked, Swamped, Rolled, and just generally broken in right!