Oil filter threads
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Laughing Gas
Joined: Mar 2003
Posts: 943
Likes: 2
From: Randolph, NJ
Oil filter threads
Did an oil change on my '98 4.0L today. I unscrewed the old filter, and reached up to wipe some old oil off the filter mount. When I did, I by chance noticed that the threaded piece that the filter screws onto was pretty loose. I threaded it back in, put the filter on, and everything seemed fine. Is it normal for that to be loose? I thought it would have been solidly in there.
-Jim
-Jim
Hotshot
Joined: Dec 2003
Posts: 18,423
Likes: 9
From: iowa
no it's not normal although I have seen a few come out when removing an oil filter (all 3times it was a fram filter go figure) I always figured the filters threads were a little bit rough or not cut just right and gripped enough to loosen it from the block. I would put a wrench on it or take it out, clean up the threads and put some locktite on them before rethreading it back on. now I have never seen one fall off when the filter is on my guess is that it acts a little like a lock nut and basically jams it.
