*** Need advice on buying a 89 model ***
CF ADMIN

Joined: Sep 2010
Posts: 34,088
Likes: 257
From: Lantana, Fl
Year: 1996
Model: Cherokee (XJ)
Engine: 4.Slow
Just a heads up you might want to look into a cooling system conversion for your Renix. We have whats called a closed cooling system which means your radiator has a hose that leads to a fill bottle on the left corner as opposed to a rad cap. I live in Arizona and im constantly having problems with it due to the hot weather.
Junior Member
Joined: May 2010
Posts: 53
Likes: 0
From: KCMO
Year: 1992
Model: Cherokee
Engine: 4.0 I6
Im sure plenty of folks like the Renix era jeeps but I would look for a 96-98 for the heavier block and that some of the things you may end up swapping will already be on it. Just my 2 cents. I have a 92 and love it but will be changing mirrors, intake and other items as I move forward with my build... Mine has the D35 rear end and have had no issues in mud and trails. Most, including myself prefer the D44 or a Ford 8.8 or Ford 9 swap I back. Goos luck man.
Moderator of Jeeps
Joined: Jul 2011
Posts: 21,029
Likes: 3
From: Frederick, MD from Cleveland, OH
Year: 1993 YJ Wrangler
Engine: 4.0 I6
Most people dont know how to properly burp the cooling system on those and end result is ovverheating due to air. Anothe tip is not to crank the overflow bottle cap down as tight as you can, This cap is the "radiator" cap of the system. Too tight and gas/pressure will not be able to escape as needed.
I did the open cooling conversion on mine with a new rad and all new parts, and I haven't had any problems with heat management since.
Moderator of Jeeps
Joined: Jul 2011
Posts: 21,029
Likes: 3
From: Frederick, MD from Cleveland, OH
Year: 1993 YJ Wrangler
Engine: 4.0 I6
Moderator of Jeeps
Joined: Jul 2011
Posts: 21,029
Likes: 3
From: Frederick, MD from Cleveland, OH
Year: 1993 YJ Wrangler
Engine: 4.0 I6
Since I was having cooling trouble and planned to replace everything anyway, I swapped to open cooling for easier maintenance.
CF ADMIN

Joined: Sep 2010
Posts: 34,088
Likes: 257
From: Lantana, Fl
Year: 1996
Model: Cherokee (XJ)
Engine: 4.Slow
Most Renix systems are worn out and failing/failed due to age. Most of the coolant pressure bottles and radiators are still original, and that's where most of the problems come from.
I did the open cooling conversion on mine with a new rad and all new parts, and I haven't had any problems with heat management since.
Moderator of Jeeps
Joined: Jul 2011
Posts: 21,029
Likes: 3
From: Frederick, MD from Cleveland, OH
Year: 1993 YJ Wrangler
Engine: 4.0 I6
CF ADMIN

Joined: Sep 2010
Posts: 34,088
Likes: 257
From: Lantana, Fl
Year: 1996
Model: Cherokee (XJ)
Engine: 4.Slow
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