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Unread 07-31-2012, 07:19 PM   #16
theyammieguy
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1996 XJ Cherokee 
 
Join Date: Apr 2009
Location: houston, Texas
Posts: 108
Thermostat could be worn out and not opening properly.

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1994 Harley FXSTS (softail springer) (daily driver)

1996 XJ. RC 3" lift on 30's. That's about it.
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Unread 07-31-2012, 11:38 PM   #17
Reptile
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1991 XJ Cherokee 
 
Join Date: Feb 2011
Location: Bakersfield, CA
Posts: 1,297
Quote:
Originally Posted by theyammieguy View Post
Thermostat could be worn out and not opening properly.
I was kinda thinking that too, happened to me on a NEW thermostat. That or your rad might be clogged, restricting the flow.

As you can see overheating problems can be very frustrating... often a hit and miss. You can't tell until you change the parts. And nowadays even new parts can't always be trusted.

Quote:
Originally Posted by ltrail View Post
Flush cooling system lately? Did the water pump I see but how long ago? Was the system filled wirh the correct mix and properly bled?
...you didn't answer this. Are you running 50/50?
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Unread 08-01-2012, 02:46 PM   #18
yeti92
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1996 XJ Cherokee 
 
Join Date: Mar 2010
Location: United States, Pa
Posts: 106
It's not pre diluted butt I did mix with water and the little test tube said its good and the thermostat is new but could be bad I guess but wouldn't that make it run hot all the time not just town and sitting or wheeling and as far as a clogged radiator it seems to drain properly when it was drianded and filled but is there a way to test the radiator to fond out
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Unread 08-02-2012, 12:22 AM   #19
Reptile
Web Wheeler
1991 XJ Cherokee 
 
Join Date: Feb 2011
Location: Bakersfield, CA
Posts: 1,297
Quote:
Originally Posted by yeti92 View Post
It's not pre diluted butt I did mix with water and the little test tube said its good and the thermostat is new but could be bad I guess but wouldn't that make it run hot all the time not just town and sitting or wheeling and as far as a clogged radiator it seems to drain properly when it was drianded and filled but is there a way to test the radiator to fond out
I'd say it's probably one of those two. Sounds like something is creating an obstruction, could very well be debris caught in the stat or a defective stat. You did say the defroster helps cool it down. That may not be attributed to the e-fan alone. I believe part of the coolant is routed through the heater core when you do that. Coolant that goes through the core doesn't go through the stat. That would make it more of a suspect... I don't see many others. Worth a try. You still have your fan shroud right?
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coolant , cooling , issue , over heating , temp

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