Oil leak, and coolant - JeepForum.com
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post #1 of 2 Old 04-15-2019, 08:14 PM Thread Starter
1999 WJ 
Join Date: Jun 2018
Location: San Francisco
Posts: 172
Oil leak, and coolant

Crawling around under the WJ, I have what I guess I would call seepage at the rear of the oil pan. Enough oil to look like it is ready to drip, but no actual drips. Weird thing is, thereís coolant there also. Not mixed, emulsified with the oil, but with the oil, with its green color visible. As if there are two leaks, one oil, one coolant, and they both accumulate in the same spot. But neither is enough to drip, as far as I can tell. Nothing on the ground underneath.

Itís a 4.0, so Iím guessing rear main seal for the oil. What about the coolant?

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post #2 of 2 Old 04-16-2019, 01:01 AM
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2001 WJ 
Join Date: Jun 2011
Location: Surrey
Posts: 1,496
Pressure test the cooling system. You''ll find your leak.
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