Overheating - JeepForum.com

 
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post #1 of 15 Old 09-16-2013, 10:07 AM Thread Starter
jjarvis0007
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Overheating

Jeep started overheating this morning. Let it cool off for awhile and it sputters when trying to start. It finally started so I brought it to my Buddy's boat shop. It overheated just a tad on the way here less then a mile. Now its sputtering to start again. The water pump isn't leaking at all. Nothing in my oil either. Any ideas?

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post #2 of 15 Old 09-16-2013, 11:28 AM Thread Starter
jjarvis0007
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Just replaced the thermostat and that didnt seem to help. Guess next will be water pump and radiator
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post #3 of 15 Old 09-16-2013, 12:00 PM
overland-wk
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Did you bleed the coolant system after the thermostat instal ?

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post #4 of 15 Old 09-16-2013, 12:05 PM Thread Starter
jjarvis0007
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Quote:
Originally Posted by overland-wk View Post
Did you bleed the coolant system after the thermostat instal ?
I just poured more fluid in it. Motor starts knocking when temps gets up then is hard to start then dies. Where do you bleed it at?
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post #5 of 15 Old 09-16-2013, 01:16 PM
overland-wk
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What engine do you have?

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post #6 of 15 Old 09-16-2013, 01:26 PM
LiftedWK
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Had the same problem. It was a bad lifter.
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post #7 of 15 Old 09-16-2013, 08:22 PM Thread Starter
jjarvis0007
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Still doing it after a new tstat, water pump, and temp sending unit. Flushed the radiator earlier and it was fine. But I have 190 on one side and 90 on the other. Taking the radiator into the shop tomorrow to get tested.
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post #8 of 15 Old 09-16-2013, 10:14 PM
overland-wk
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If you have a 4.7/3.7 there is a bleeder screw at the end of the upper radiator hose closest to the engine. I have a 5.7 and i flushed the radiator on mine and didnt need to bleed it.

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post #9 of 15 Old 09-16-2013, 11:17 PM Thread Starter
jjarvis0007
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I've bleed it thru the Allen screw on the upper water pump housing.
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post #10 of 15 Old 09-17-2013, 08:59 AM
WieSeL
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Your radiator sounds like it is restricted for sure
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post #11 of 15 Old 09-17-2013, 09:15 AM Thread Starter
jjarvis0007
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Darn radiator cap wouldn't hold but 6# and was supposed to hold 18#
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post #12 of 15 Old 09-17-2013, 09:49 AM
Jeepforthewin
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Quote:
Originally Posted by jjarvis0007 View Post
Darn radiator cap wouldn't hold but 6# and was supposed to hold 18#
Always the little things that get ya

2010 JKU - Stock for now
2005 WK - 6" lift, 35" BFG's, a lot more (SOLD)
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post #13 of 15 Old 09-17-2013, 10:06 AM Thread Starter
jjarvis0007
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I'm happily pissed
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post #14 of 15 Old 09-18-2013, 11:52 PM
fast916
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I had the same problem and it turned out to be the radiator cap. I now carry a couple of extra caps with me all the time.
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post #15 of 15 Old 09-19-2013, 06:32 AM Thread Starter
jjarvis0007
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Went ahead and put a new radiator in her. The flow test showed it to be 50% clogged. Now I've got a new cooling system except for the heater core. Which I bypassed until I'm ready to do it soon
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