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Unread 02-03-2010, 06:50 PM   #1
mmscheeler
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1992 XJ Cherokee 
 
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What causes hose to come off radiator?

I just replaced nearly the entire cooling system. It is due for emissions inspection and I went to take it tonight. I have not driven it since the replacement other than around my yard. I took it to get gas and air after that I decided not to take it for the inspection as I would not make it. I pull back into my garage and shut it off. I was sitting in the car looking at something and hear a pop and water hitting the floor. When I got under the hood the top radiator hose had come off from the radiator. No holes or anything and the hose is not clogged! Any thoughts as I really just want this back on the road.

Thanks for the help in advance!!

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Unread 02-03-2010, 07:28 PM   #2
USMC_XJ
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Most likely those hose clamp was junk. This happened to me. Also, make sure the hose is actually all the way onto the outlet. I had to remove the top of the core support in order to put it on all the way and then tighten the clamp. Has been fine for a couple months so far.

Pull the top of the core support and put the hose on good with a new clamp.
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Originally Posted by Rob99
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Originally Posted by bigsquat
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Unread 02-03-2010, 07:32 PM   #3
mmscheeler
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The core support was off but I will try a new hose clamp. Should it make any difference if it I replaced the t stat with a 160*? Thanks for the tip.
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Unread 02-03-2010, 07:35 PM   #4
danw77
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same thing happened on my 95. the end tanks (and the place where the hose attaches) are made out of plastic. on mine, the plastic cracked and the "rib" that runs around the where the hose connects broke off and there was nothing for the hose clamp to grab on to.
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Unread 02-03-2010, 08:05 PM   #5
USMC_XJ
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Why are you running a 160* t-stat? That will only hurt your engine, not help it...
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Quote:
Originally Posted by Rob99
The next time you want to tell a story but not get people's opinions, rather than post it on an internet forum, open up Microsoft Word, type your story there, then click on the little X in the top right corner and then hit yourself in the head with a sledge hammer.
Quote:
Originally Posted by bigsquat
If he finds the yj section im putting round headlights on mine.
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Unread 02-03-2010, 08:17 PM   #6
mmscheeler
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Quote:
Originally Posted by BuckeyeXJ View Post
Why are you running a 160* t-stat? That will only hurt your engine, not help it...
Good to know... guess I will be replacing that tomorrow!!! I read a few guys on here running cooler t stats
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Unread 02-03-2010, 08:17 PM   #7
AZ Jeff
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If you are running a 160 t'stat, you have a good chance of FAILING an emissions test. If you don't know WHY, then ask.
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Unread 02-03-2010, 08:55 PM   #8
1stockjeep
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There is alot of mixed emotions on t stats on here! But a 160 will run to col and the engine will be constantly adding more fuel thinking its still not warmed up.
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Unread 02-04-2010, 08:30 PM   #9
mmscheeler
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So I replaced the t stat with a orig. temp one and tightned the hose clamp. It looks pretty new & I think I may not have had it as tight as it should have been. So !I get it put back together and now it is overheating again. The upper radiator hose was ice cold and I had no heat. What else can I do?
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Unread 02-04-2010, 08:37 PM   #10
blingII
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Bleed and fill
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Unread 02-04-2010, 08:54 PM   #11
mmscheeler
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I did once. Any suggestions on getting all the coolant out of the reservior?
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Unread 02-06-2010, 12:45 PM   #12
mmscheeler
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Got all the air out and now it is running better Does it matter that it is now running a little below 210?
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Unread 02-06-2010, 06:05 PM   #13
tjwalker
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Quote:
Originally Posted by mmscheeler View Post
Got all the air out and now it is running better Does it matter that it is now running a little below 210?
A little below 210 is where the majority of 4.0 engines run. Good to go.
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