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Unread 02-17-2013, 10:19 PM   #1
cyorks123
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1996 ZJ 
 
Join Date: Jan 2013
Location: rochester, NY
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I need help fast

Ok so I replaced my water pump on the 5.2 v8 and the stupid thing came with the heater core line and it leaks where the o ring is on the line on the water pump any ideas?

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Unread 02-17-2013, 11:38 PM   #2
cyorks123
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Please help I don't wanna throw money into it and not fix the problem I've already tried a bigger. O ring and it didn't fix it
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Unread 02-18-2013, 12:00 PM   #3
um7267
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did the line come with a clamp of some sort to hold it in place?
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2004 Lexus Es330, alive; 1999 Cherokee Sport
1998 Grand Cherokee, sold
1997 Grand Cherokee; Black and Gold, Limited 4.0....RIP 2005
to the good times and the bad, the family we have and lost, little brother 1988-2011
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Unread 02-18-2013, 12:03 PM   #4
cyorks123
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I finally got it to stop leaking from that... Now it's dumping fluid but i can't see where from
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Unread 02-18-2013, 07:58 PM   #5
ratmonkey
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did you replace the bypass hose as well?
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'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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Unread 02-18-2013, 09:59 PM   #6
cyorks123
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Figured it out me and it was the hose ontop of te water pump that's about 5 " long hada huge hole in it thanks for the help guys
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Unread 02-19-2013, 02:08 PM   #7
ratmonkey
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that's the bypass hose. always replace that when doing a pump.
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'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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Unread 02-19-2013, 08:39 PM   #8
cyorks123
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Ok so now it's leaking from the pipe that comes out of the water pump that goes to the heater core any ideas?!
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Unread 02-19-2013, 08:40 PM   #9
cyorks123
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The pipe that has the. O ring i just can't get it to seal right and I'm at a loss
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Unread 02-19-2013, 08:54 PM   #10
kachink
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Take out the pipe. Drain enough coolant so you can dry and clean the hole that the pipe goes in. Try and break the sharp edge on the hole so you don't damage the o-ring going in.

With everything clean & dry, put a NEW o-ring on the pipe and put some RTV on it. Put the pipe on, bolt bracket, and leave it alone overnight for the RTV to cure.

After the RTV has had a chance to cure, refill and burp the system and you should be good to go.
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Unread 02-19-2013, 08:57 PM   #11
Virmagicus
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I've always had good luck with a little RTV around the o-ring.
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Unread 02-19-2013, 08:58 PM   #12
cyorks123
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Ok thanks man that's a huge help... I've gone threw like 15 o rings and onnly 1 sealed but I had to take it out due to the other leak haha I feel dumb but thanks for the help
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Unread 02-19-2013, 10:10 PM   #13
kachink
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Yeah, it's not a very good design. The first time I did it I didn't follow the advice because an o-ring is a seal - it shouldn't need RTV.
I learned my lesson.
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Unread 02-19-2013, 10:25 PM   #14
cyorks123
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The design should be better with the replacement one it should be threaded or something better then these stupid orings bc they fault so easy so tmrw I'm just gunna use the rtv and see if itll work for me haha poor jeeps been in the garage since noon on saturday
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