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willysmjeeps.com :: View topic - Moisture on dipstick.
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Moisture on dipstick.

 
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Ryan
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Joined: Jan 10, 2006
Posts: 136
Location: Russellville, AR

PostPosted: Sun Mar 18, 2007 4:09 pm    Post subject: Moisture on dipstick. Reply with quote

The last two times ive checked the oil in my M38 since we started driving it again there has been milky oil on top of the baffle in the dipstick. There is no milky oil at the bottom of the stick on the crankcase oil and the air breather oil is clean as well. Is this just normal condensation or do I have something going on?
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wesk
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Joined: Apr 04, 2005
Posts: 16256
Location: Wisconsin

PostPosted: Sun Mar 18, 2007 5:23 pm    Post subject: Reply with quote

Quite normal moisture accumalation.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

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hillbilly21
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Joined: Aug 26, 2005
Posts: 510
Location: North Carolina

PostPosted: Tue Mar 20, 2007 4:38 pm    Post subject: Moisture Reply with quote

Possible you have a leaking head gasket !!!

Looks like light brown milk...
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wesk
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Posts: 16256
Location: Wisconsin

PostPosted: Tue Mar 20, 2007 6:43 pm    Post subject: Reply with quote

Coolant leaking into the oil sump thru a bad head gasket will turn the oil's color yellowish brown.

But Ryan only has moisture contamination at the top of the dipstick tube. This is normal when humidity is high or the jeep is only run for a few minutes not reaching normal operating temps tends to not evaporate all the normally accumalated moisture that we find in our oil. This moisture does no real harm to the oil but collects on the cool area of the upper dipstick housing.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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Ryan
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Joined: Jan 10, 2006
Posts: 136
Location: Russellville, AR

PostPosted: Wed Mar 21, 2007 7:21 am    Post subject: Reply with quote

I have figured out my problem. I either have a thermostat stuck open, or there is not one in there at all. drove the jeep for about 10 miles or so yesterday and the only time the engine would get warm is when you killed it. As soon as you cranked it up it would go back down to 110 or so. I will get a thermostat and gasket for the ol girl and will be back up and doing good.
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