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Unread 06-01-2003, 10:23 PM   #1
BajaZJ
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Radiator not draining

Today I tried to flush my radiator and change the fluid on my '94 ZJ 5.2L V8. I could only turn the petcock a 1/4 turn counter clockwise using a pair of pliers and did not want to force it any further. Nothing came out of the spout. Am I doing something wrong or could I have a bigger problem with my radiator?

Thanks,
Mike

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Unread 06-02-2003, 02:42 AM   #2
Zaphod
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I just changed my radiator hoses and thermostat a month ago. same year and model as yours. the plug on the bottom of the radiator is a small white plug. unscrew it, and pull it away from the radiator. it will not come out all the way, but fluid will drain out. it is rather difficult to direct the flow, so be on ground you do not mind getting soaked in coolant fluid.

if nothing still comes out, you were running on an empty radiator, which is not physically possible. so something be wrong. best of luck. hope this helps.
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Unread 06-02-2003, 06:24 AM   #3
BajaZJ
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Sonar

Was your plug difficult to turn? I don't want to break a 9 year old piece of plastic, so I didn't force it. Mine is black (it may have been white as some point) with a tab where I was able to get a pair of pliers on it. It also has a spout beneath it where you can attach a hose to direct the flow. Is this like your setup? I was assuming that it is just a ball valve of some type and that's why it wouldn't go beyond a 1/4 turn. When I opened the radiator cap, the radiator was full and there is the proper amount of fluid in the overflow tank.

Mike
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Unread 06-02-2003, 11:33 AM   #4
Zaphod
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Hmm, one of us must have a non-stock radiator. Your setup sounds easier (and cleaner) to use. Can't give you any advice on what I know nothing about. Best of luck.
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Unread 06-03-2003, 02:40 PM   #5
Texas ZJ1
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I just got a bucket and cut a hole in the bottom hose for it to drain out.

Hunter
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