Oil Leak Source - JeepForum.com
 
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post #1 of 6 Old 02-23-2020, 11:51 AM Thread Starter
RAliotta
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Oil Leak Source

Hey all, new guy to forum here...
My WJ 2000 4.7 has an oil leak. I canít determine if itís coming from the timing cover or the cylinder head. Any help would be great.
Thanks.

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post #2 of 6 Old 02-24-2020, 09:23 PM
Bigrigr
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That is a pretty common place to see a little oil build up. There is the valve cover gasket just above there, the plastic disc that seals off the hole to access the cam gear, and the oil pressure sending unit, and oil filter, all right there. Sending unit and filter looks dry, valve cover looks only slightly wet. My vote is the plastic disk that covers the access hole for the cam gear. They really arent to snug in there sometimes. I would get some carb/choke cleaner and clean that area real good, then watch it and see if you can tell a little better. If it is the disk, just clean the area real good and smear a little RTV around the edge and run it.

'00LMTD-4.7l,242hd,D30,D44A,3.73's,True-trac front,Spartan rear,4" short arm lift,JK'sW/32's
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post #3 of 6 Old 02-25-2020, 07:44 PM
ParkerStovall42
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Throw a little UV dye in the crankcase, run for a couple days, then check with a UV light. Or just give the engine a thorough cleaning and check visually after running for a couple days.
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post #4 of 6 Old 02-27-2020, 03:49 PM Thread Starter
RAliotta
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Thanks Bigrigr. Thatís great info. I actually took the valve cover off to replace with a new gasket, and I was able to check the fitment of the plastic disc. I couldnít believe how loose it was. Thereís an O ring on it, and with a little pressure I was able to pop it out. Iíll take your advice, and put it back together with some RTV and a new O ring. Thanks again!
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post #5 of 6 Old 02-27-2020, 04:40 PM Thread Starter
RAliotta
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Thanks ParkerStovall42. I appreciate your insight. I think I found the culprit with Bigrigrís help. I definitely will use your idea for future leak searches. Great idea! Thanks again
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post #6 of 6 Old 02-27-2020, 09:47 PM
Bigrigr
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Glad you found it! Good luck

'00LMTD-4.7l,242hd,D30,D44A,3.73's,True-trac front,Spartan rear,4" short arm lift,JK'sW/32's
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