massive coolant loss!
#1
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Year: 2000
Model: Cherokee
Engine: 4.0
massive coolant loss!
Well, I found out where it's going. In my oil. I lost about a gallon of coolant over the last week. I have no heat and noticed a leak around my thermostat and h2o pump weep hole. I have had the heat issue for a while and have flushed the system out, a ton of brown crap came out. I replaced the radiator cap as well, but still no heat. Today I started running about 20* hot so I checked coolant when I got home. The overflow tank was empty and the radiator cap was actually cool. I was able to remove it with no coolant loss about 5 minutes after turning it off. I added about a gallon to the radiator. Of course I feared cracked head. Checked the oil cap and found a bunch of coolant. I have a 2000 xj 4.0 np231. Am I doomed? Could it be a head gasket? I got laid off three weeks ago, had to pull my kids out of daycare, and now am a stay at home dad of three kids. I can't afford a reman head, and It's my dd. Somebody give me some hope.
#2
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Year: 1996
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Engine: 4.0
Hope you get something figured out man. Take it apart and take a look at it to see if it could be the gasket
edit: missed part of what you said
edit: missed part of what you said
Last edited by Fsher21; 12-21-2011 at 08:16 PM.
#4
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Year: 1999
Model: Cherokee
Engine: 4.0
A valve cover gasket isn't going to help you here....
You mention that you found evidence of coolant on your oil cap. Is it a "milkshake" consistency?
If it is and you are using coolant and you have an 00-01, the odds are very high that you have a cracked 0331 cylinder head.
Instead of reinventing the wheel, I'm going to give you a thread that is required reading for everyone with an 00-01. It covers everything.
http://www.jeepsunlimited.com/forums...d.php?t=391831
Good luck!
You mention that you found evidence of coolant on your oil cap. Is it a "milkshake" consistency?
If it is and you are using coolant and you have an 00-01, the odds are very high that you have a cracked 0331 cylinder head.
Instead of reinventing the wheel, I'm going to give you a thread that is required reading for everyone with an 00-01. It covers everything.
http://www.jeepsunlimited.com/forums...d.php?t=391831
Good luck!
#5
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Year: 2000
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Thanks for the link, and the gasket was so I could pull the valve cover to get a good look at what is going on. My oil looks like chocolate milk.
Last edited by ragged1; 12-22-2011 at 10:34 AM.
#6
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Year: 1999
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But pulling the valve cover does afford you a better look. Be sure to do your checking with a hot engine which has a fully pressurized cooling system. That would give you the best chance of seeing the antifreeze seeping out of the crack.
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