Can Idling Cause Over-Heating? - JeepForum.com
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Unread 10-01-2003, 11:33 PM   #1
bighead113
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Join Date: Sep 2003
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Can Idling Cause Over-Heating?

Since tonight was a very cold night, I went to go pick up a friend and me and my gf had both heated seats on, the rear defroster on, and the front defroster on high, and we had to wait there in idle for about 25-30 minutes, then the "check guages" light came on, and it overheated, with smoke pouring out, and the coolant boiling....

So, I guess my question, is, what is my best option?

1. Take the truck in to the shop immediately (it has a warranty)
2. Fill up lost coolant, take truck in Saturday (when I have more time)
3. Re-fill, dont worry about it, and dont let it see in idle that long again?

Thanks...

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Unread 10-02-2003, 01:19 AM   #2
whitevette
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Location: Phoenix, AZ
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Your cooling system is tired and worn down. You should be able to idle until you run out of gas and not experience any overheating.

Take it to a shop. Make sure they flow test your radiator. I'd bet it's clogged from old coolant letting it rust internally and clog.
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Unread 10-02-2003, 06:16 AM   #3
93JGCV8
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also you might want to check out your fan clutch if the overheating problem is only at idle.
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Unread 10-02-2003, 06:46 AM   #4
Harald
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Join Date: Aug 2003
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Quote:
Originally Posted by bighead113
Since tonight was a very cold night, I went to go pick up a friend and me and my gf had both heated seats on, the rear defroster on, and the front defroster on high, and we had to wait there in idle for about 25-30 minutes, then the "check guages" light came on, and it overheated, with smoke pouring out, and the coolant boiling....

So, I guess my question, is, what is my best option?

1. Take the truck in to the shop immediately (it has a warranty)
2. Fill up lost coolant, take truck in Saturday (when I have more time)
3. Re-fill, dont worry about it, and dont let it see in idle that long again?

Thanks...
You will probably hear noise from a defect fan clutch, and they tend to get jamed when worn out. As suggested, the engine should be able to run for weeks on idle without overheating. If you have an I6, then you should have (at least in Europe) two fans, where one is driven by electric motor. The thermostate engaging this motor can fail, or bad el. connectin makes it fail. Fill up system as required with proper coolant. Warranty? Go to dealer on Saturday, and don't run on idle until then. V8? Belt driven fan via clutch on 5,8L. Aslo clogged radiator a very possible reason. Again, something that should be a warranty issue.
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Unread 10-07-2003, 12:01 AM   #5
jeepjeepers
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Had the same problem awhile ago and the dealer replaced the fan clutch. Haven't had any problems since.
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