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Unread 01-05-2009, 10:28 PM   #1
Drum328
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TJ frequently need oil??

My 2002 TJ requires two quarts every month or so...no leak that I can tell and no excessive smoke. Any ideas as to how/why this is happening?

Thanks in advance!

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Unread 01-05-2009, 10:39 PM   #2
Bishop Creek
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Somethings not right. I go 3,000 to 4,000 miles between changes (every four or five months) and never have to add oil in between.
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Unread 01-06-2009, 12:04 AM   #3
Ludedude
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Agreed. I change my oil every 7500 miles on this Jeep I bought used two years ago. It has 84,000 miles on it and doesn't burn a single drop between oil changes.
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Unread 01-06-2009, 01:19 AM   #4
krawler510
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Check for a leak where the valve cover meets the head in the back. That's normally out of view and would only leak while driving so you might not catch it.
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Unread 01-06-2009, 01:28 AM   #5
OldFatGuy
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Quote:
Originally Posted by Drum328 View Post
My 2002 TJ requires two quarts every month or so.
How many miles is that? Like others have already said, it's pretty common for the 4.0 to not burn any oil between changes.
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Unread 01-06-2009, 06:25 AM   #6
Unlimited04
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Quote:
Originally Posted by Drum328 View Post
My 2002 TJ requires two quarts every month or so...no leak that I can tell and no excessive smoke. Any ideas as to how/why this is happening?

Thanks in advance!
check the rear main seal. bet its leaking.
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Unread 01-06-2009, 06:26 AM   #7
exminnesotaboy
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Quote:
Originally Posted by Bishop Creek View Post
Somethings not right. I go 3,000 to 4,000 miles between changes (every four or five months) and never have to add oil in between.
same here with my 97 TJ with 85k
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Unread 01-06-2009, 06:54 AM   #8
Pillswoj
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Quote:
Originally Posted by krawler510 View Post
Check for a leak where the valve cover meets the head in the back. That's normally out of view and would only leak while driving so you might not catch it.
Quote:
Originally Posted by Unlimited04 View Post
check the rear main seal. bet its leaking.
I would think if it was down 2 quarts in a month due to a leak there would be a noticeable puddle where the jeep is parked.
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Unread 01-06-2009, 06:58 AM   #9
Unlimited04
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Quote:
Originally Posted by Pillswoj View Post
I would think if it was down 2 quarts in a month due to a leak there would be a noticeable puddle where the jeep is parked.
my last rear main seal leak (4 for 4) leaked 1 qt over 2,000 miles an did NOT have a noticeable puddle. I've got full skids that likes to collect the oil, and it ends up all down the transmission & skids.

First off, the OP didnt say if he'd noticed a puddle or not. Secondly, if you drive the jeep frequently and park at apartment complexes you will not notice a leak, you'll have to crawl under there and see if there is an oil trail from road wind.
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