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Unread 04-21-2015, 11:04 PM   #1
Jbloader
Junior Member
2001 WJ 
 
Join Date: Apr 2015
Location: New Haven, IN
Posts: 16
New Dude, Same Issues

Hey guys and gals! Just bought my 16 year old daughter a roughly used 2001, 4.0l Laredo with 166,000 miles on it. The body is very nice with the only visible rust being very little on the inside bottom driver's door. Undercarriage is solid as well with some minor spots. I paid $1500 for her with some known issues and some unknown.

So far I have replaced the trans pan with filter(near rust through), radiator, rad fan, fan switch, thermostat, and passenger window regulator (easier than most Chrysler products by a long shot!!!).

Future parts starting next weekend will be the exhaust (from the headers back due to cat pipe elbow rust thru), all new brakes, pads, rotors, calipers, tires, rear main seal, and valve cover gasket.

Now, the questions you all were expecting. There is an obvious oil leak on the passenger side between the head and block. There are no obvious signs of oil intrusion into the coolant or vice versa and while I do lose coolant I can see it run from the backside of the overflow reservoir when it is to the "fill" mark (I suspect I need an overflow tank added to my parts list ).

Concerning this leak, I have seen very little traffic on this but the little I have seen appears to blow this off as a "jeep thing." Having the dreaded 0331 heads do I go ahead and change the heads and head gasket or wait until something major happens (leak becomes a flow, or heads crack).

Obviously, having no prior knowledge of the maintenance of this vehicle I am wary of everything but she has survived 166k miles and still runs well, albeit with obvious maintenance issues. The engine runs out strong (with a tap, tap, tappy until warmed up), the tranny shifts well, the heat works, etc., etc.

I have five-six months to turn this rough running vehicle into purr-fection for my daughter. What are some of your thoughts? Change the head/gasket or wait and see?

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Unread 04-22-2015, 12:49 AM   #2
JeepGrandWJ
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2001 WJ 
 
Join Date: Mar 2015
Posts: 56
Its the cylinder head gasket ....

I have the same issue.You dont have to change the cylinder head gasket now (if its not too bad) its a Jeep Thing ...
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Unread 04-22-2015, 09:39 AM   #3
Jbloader
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2001 WJ 
 
Join Date: Apr 2015
Location: New Haven, IN
Posts: 16
Hah, thanks. I figured as much but it's always good to hear from someone else. I degreased and power washed the crud out around it and after driving for about 30 minutes in town and on the highway it had seeped enough to make it wet almost to the oil filter. I'll just keep an eye on the amount of oil loss between changes.
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Unread 04-22-2015, 12:18 PM   #4
JeepGrandWJ
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2001 WJ 
 
Join Date: Mar 2015
Posts: 56
Don't worry too much about it !! As long as it's not dripping oil !

If it's dripping oil than you have to do something. But I think it's just a little sweating like my jeep does.
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Unread 05-15-2015, 02:20 PM   #5
Jbloader
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2001 WJ 
 
Join Date: Apr 2015
Location: New Haven, IN
Posts: 16
Quick update: After driving it on and off again for the last month the engine block now has a nice oily sheen from the seep/weep. However, I have lost no significant amounts of oil and it appears to be a seep and not a leak.

Thanks, all.
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Unread 05-15-2015, 11:42 PM   #6
Highschool_WJ
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1999 WJ 
 
Join Date: Jan 2013
Location: Fargo, ND
Posts: 758
Quote:
Originally Posted by Jbloader View Post
Quick update: After driving it on and off again for the last month the engine block now has a nice oily sheen from the seep/weep. However, I have lost no significant amounts of oil and it appears to be a seep and not a leak.

Thanks, all.
Like others have said, it's a jeep thing! Also, you should only be worried when the 4.0 isn't leaking/seeping oil, because that means it doesn't have any!
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Unread 05-15-2015, 11:43 PM   #7
holliewood61
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1981 CJ7 
 
Join Date: May 2013
Location: Peterstown, wv
Posts: 1,087
Thats the thing about oil, 3 drops looks like a gallon for some reason. Dont worry about the leak, worry if it quits leaking.
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Unread 05-16-2015, 05:19 AM   #8
doityourselfMM
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1999 WJ 
 
Join Date: Dec 2010
Location: manassas, va
Posts: 842
I had the same 'seep'. I degreased the length of the block/head gasket, cleaned and cleaned and cleaned. I put on a bead of high temp RTV, and it worked like a charm. It's a $10 'band aid' fix, but with nothing to loose.

Give it a try!
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