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Unread 05-27-2015, 11:07 PM   #1
Blk92XJGuy
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1992 XJ Cherokee 
 
Join Date: Jun 2011
Location: , Colorado
Posts: 426
Water Wetter? Worth it?

So I installed a Flowkooler pump and a thermostat, which I think is 180 or so, when I idle when it's hot out, I go past the center of my thermostat and kinda sit around there. My fan kicks on at the center too.

Should I drain my coolant, which might be a lot of water, with Water Wetter and distilled water? I want to replace my underdrive pulley but I'm worried of it causing more issues.

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92 XJ - 7''/SeriousOffroad long arms/Bilstein 5100/Aussie/33x12.50 15x8 Kumho KL71s/plus more
98 5.9 -Monstaliner bed liner exterior - 3'' Kolak exhuast - SCT Tuner - OEM rubber cup holder insert - 52mm Holley TB - Complete audio upgrade
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Unread 05-28-2015, 03:33 AM   #2
PolkaPower
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1998 ZJ 
 
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You should not need the water wetter but I don't think it's a bad product. Just burp all the air out and use a 50/50 mix.
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Unread 05-28-2015, 06:51 AM   #3
somebody5788
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1994 ZJ 
 
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Isn't the center of the gauge 210? If you have a new water pump and thermostat and no air in the system then unfortunately I think there's something else wrong with it. 5.2/5.9 engines tend to have head gasket and head cracking issues. I've repaired a few of them myself. I would run a block test.
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Unread 05-28-2015, 07:34 AM   #4
zjosh93
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1993 ZJ 
 
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I've run water wetter and it does work. It doesn't work as well if you mix it with antifreeze because it's really meant for racers who run straight water to make track officials happy. It'll probably run a couple to a few degrees cooler but if you are that close to overheating it's probably best to fix or upgrade your cooling system instead.
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Unread 05-28-2015, 12:57 PM   #5
tjcustomranger
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1993 ZJ 
 
Join Date: Feb 2015
Location: Liberty Lake, Wa
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My jeep does the same i think it might just be my temp sensor i got a cheap oreillys one and when i put it,inthe temp was always about 10-15 higher than,the mopar sensor before i broke it.

I have a new pump, 180 t stat, hood vents, hood spacers (1/4"), no weather stripping, an electric fan to push air through the radiator from the outside, on top of the stock fan and i also replaced all coolant hoses/heater hoses...

Tranny i believe is no longer connected to the radiator. Im gonna try testing it manually and see how accurate that gauge really is
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Unread 05-28-2015, 06:15 PM   #6
Blk92XJGuy
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1992 XJ Cherokee 
 
Join Date: Jun 2011
Location: , Colorado
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I might have air in my system, I really didn't do much while filling it up. Pushed on the bumper a bit to make the vehicle move.. What's the best way to fill it up?
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92 XJ - 7''/SeriousOffroad long arms/Bilstein 5100/Aussie/33x12.50 15x8 Kumho KL71s/plus more
98 5.9 -Monstaliner bed liner exterior - 3'' Kolak exhuast - SCT Tuner - OEM rubber cup holder insert - 52mm Holley TB - Complete audio upgrade
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Unread 05-28-2015, 06:21 PM   #7
tjcustomranger
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1993 ZJ 
 
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With my xj we pulled the front up on a pile of dirt to get the radiator cap high above everything then just let it run and burp while we kept the coolant topped off worked pretty good.
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Unread 05-28-2015, 07:05 PM   #8
StPaul59
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1998 ZJ 
 
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Quote:
Originally Posted by tjcustomranger View Post
My jeep does the same i think it might just be my temp sensor i got a cheap oreillys one and when i put it,inthe temp was always about 10-15 higher than,the mopar sensor before i broke it.

I have a new pump, 180 t stat, hood vents, hood spacers (1/4"), no weather stripping, an electric fan to push air through the radiator from the outside, on top of the stock fan and i also replaced all coolant hoses/heater hoses...

Tranny i believe is no longer connected to the radiator. Im gonna try testing it manually and see how accurate that gauge really is

I think mine may be off as well. Is there a reliable brand for the temp sensor besides Mopar?
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Unread 05-28-2015, 09:51 PM   #9
tjcustomranger
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Posts: 580
Im not sure but mopar is about the same price as the"good" ones at oreillys. Ask kolak for pricing for one
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Unread 05-29-2015, 02:16 PM   #10
tjcustomranger
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1993 ZJ 
 
Join Date: Feb 2015
Location: Liberty Lake, Wa
Posts: 580
To test it i read that you can take a pot of boiling water

take your temp sensor and put an alligator clip on the threads as a ground and extend the single wire on top far enough to reach the pot of water

put the end in and test the water with a thermometer.

then check your gauge in the jeep... just make sure you ground it to the jeep or it wont read on the gauge

If anything it should show if something is off
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