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Unread 06-22-2013, 03:01 PM   #1
jserna
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1987 YJ Wrangler 
 
Join Date: Jun 2012
Location: Albuquerque, New Mexico
Posts: 427
Coolant question.

Hey fellas, what is going on today? The water pump in my wife's xj just died a few hours ago and had it towed to our house. I did a quick search and could not find an answer, do 98 xj's require any specfic type of coolant? What would you guys recommend.

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Unread 06-22-2013, 03:37 PM   #2
grainofsalt
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1998 XJ Cherokee 
 
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Nothing fancy in my '98, Just the normal green stuff.
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Unread 06-22-2013, 05:01 PM   #3
CoyoteHunter
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1999 XJ Cherokee 
 
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Ditto on that^^^^. I used Zerex original green concentrated and mixed 50/50 with distilled water.
I just did a full flush a few days ago and threw a $9 stant 195 degree "superstat" in while I had the coolant out.
I found this scan on here, posted by another member. Hope it helps you.
haynes.jpg  
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Unread 06-23-2013, 02:45 PM   #4
jserna
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Very cool thank you for the input. that is what I was thinking but wanted to make sure.
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Unread 06-24-2013, 02:54 PM   #5
Bobplymouth
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I read that some coolant makers do not recommend using distilled water.

The tap water here is Va, (cow country), is so full of who knows what, that

I use filtered rain water with my coolant....
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Unread 06-24-2013, 04:47 PM   #6
Pats94
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2001 XJ Cherokee 
 
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Quote:
Originally Posted by Bobplymouth View Post
I read that some coolant makers do not recommend using distilled water.

The tap water here is Va, (cow country), is so full of who knows what, that

I use filtered rain water with my coolant....
Never heard of that. I've been at it a long time and on some pretty exotic stuff, race engines foreign and domestic. Never used anything but distilled water.
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Unread 06-24-2013, 06:07 PM   #7
jserna
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I saw that too concerning the distilled water. I use filtered water when I mixed the antifreeze. I am glad the job is done. Just out of curiosity, what does the GM stuff have in it that is "bad" for all other makes of autos
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Unread 06-24-2013, 06:44 PM   #8
dmill89
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Quote:
Originally Posted by jserna View Post
I saw that too concerning the distilled water. I use filtered water when I mixed the antifreeze. I am glad the job is done. Just out of curiosity, what does the GM stuff have in it that is "bad" for all other makes of autos
DexCool is slightly acidic and will eat seals/gaskets that weren't specifically designed for it. Even some GM products had issues with this when they first started using it (especially 1996-1999), it also can turn to sludge if there is air in the system (i.e. a leak) or if it is mixed with any other coolant.

Honestly I'm surprised GM is still using the stuff, Zerex G-05 is a far superior product and is what Ford/Chrysler currently use.
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