LOST JEEPS :: View topic - Aftermarket Cooling for Engine/Transmission

lilblkblt04 wrote:

Anybody know of any after market or Mopar cooling add ons for a 2004 Liberty 4x4?

I don't have the towing package so how do I get the bigger radiator fan?

How hard is everything to hook up?

Ryan

No bigger radiator for the KJ unless you go custom.You can add the HD cooling kit that adds a mechanical fan that works with the electric one.If your trying to keep the trans cooler KJ's with the 45RFE trans only('02 and some '03's) has the cooler built into the radiator,if you have the 42RLE trans you have a stand alone cooler('03+) that can not handle temp spikes in the trans fluid like the in-radiator cooler can.

If you have the 42RLE the best way is to get a radiator for a '02 KJ,swap it in and cut one trans cooler line and attach it to the in-radiator cooler(that is built into the '02 radiator),then run a line from the other in-radiator cooler port back to the stand alone OEM cooler so you now have a in-radiator cooler(to control temp spikes and get the fluid to operating temp faster) and a AUX cooler to help further reduce fluid temps.

Author:	lilblkblt04 [ Thu Jun 18, 2009 2:10 am ]
Post subject:	Aftermarket Cooling for Engine/Transmission
Anybody know of any after market or Mopar cooling add ons for a 2004 Liberty 4x4? I don't have the towing package so how do I get the bigger radiator fan? How hard is everything to hook up? Ryan

Author:	JL Rockies [ Thu Jun 18, 2009 2:16 am ]
Post subject:
You could install a trans cooler which are pretty universal. Not too hard to install with the right tools.

Author:	tjkj2002 [ Thu Jun 18, 2009 11:10 am ]
Post subject:	Re: Aftermarket Cooling for Engine/Transmission
lilblkblt04 wrote: Anybody know of any after market or Mopar cooling add ons for a 2004 Liberty 4x4? I don't have the towing package so how do I get the bigger radiator fan? How hard is everything to hook up? Ryan No bigger radiator for the KJ unless you go custom.You can add the HD cooling kit that adds a mechanical fan that works with the electric one.If your trying to keep the trans cooler KJ's with the 45RFE trans only('02 and some '03's) has the cooler built into the radiator,if you have the 42RLE trans you have a stand alone cooler('03+) that can not handle temp spikes in the trans fluid like the in-radiator cooler can. If you have the 42RLE the best way is to get a radiator for a '02 KJ,swap it in and cut one trans cooler line and attach it to the in-radiator cooler(that is built into the '02 radiator),then run a line from the other in-radiator cooler port back to the stand alone OEM cooler so you now have a in-radiator cooler(to control temp spikes and get the fluid to operating temp faster) and a AUX cooler to help further reduce fluid temps.

Author:	0311_DoC [ Thu Jun 18, 2009 1:08 pm ]
Post subject:	Re: Aftermarket Cooling for Engine/Transmission
lilblkblt04 wrote: Anybody know of any after market or Mopar cooling add ons for a 2004 Liberty 4x4? I don't have the towing package so how do I get the bigger radiator fan? How hard is everything to hook up? Ryan here's a recent write up to check out... http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?t=44267

Author:	LIV42DY [ Thu Jun 18, 2009 8:44 pm ]
Post subject:
I have an 02 with a 45 and the cooler in the radiator, but last year I decidied for a bit more when pulling my trailer so I added this one. I attached it to the front supports.

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Aftermarket Cooling for Engine/Transmission http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=1&t=44291	Page 1 of 1

Author:	ATXKJ [ Thu Jun 18, 2009 9:13 pm ]
Post subject:
This was a clean install http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?t=43019&postdays=0&postorder=asc&start=20

Author:	kskj [ Thu Jun 18, 2009 10:47 pm ]
Post subject:	Re: Aftermarket Cooling for Engine/Transmission
tjkj2002 wrote: lilblkblt04 wrote: Anybody know of any after market or Mopar cooling add ons for a 2004 Liberty 4x4? I don't have the towing package so how do I get the bigger radiator fan? How hard is everything to hook up? Ryan No bigger radiator for the KJ unless you go custom.You can add the HD cooling kit that adds a mechanical fan that works with the electric one.If your trying to keep the trans cooler KJ's with the 45RFE trans only('02 and some '03's) has the cooler built into the radiator,if you have the 42RLE trans you have a stand alone cooler('03+) that can not handle temp spikes in the trans fluid like the in-radiator cooler can. If you have the 42RLE the best way is to get a radiator for a '02 KJ,swap it in and cut one trans cooler line and attach it to the in-radiator cooler(that is built into the '02 radiator),then run a line from the other in-radiator cooler port back to the stand alone OEM cooler so you now have a in-radiator cooler(to control temp spikes and get the fluid to operating temp faster) and a AUX cooler to help further reduce fluid temps. I just did this mod and the heavy duty cooling package two weeks ago only took an hour or so but I already had a 02 radiator in my 04. seems to be working fine. We will see how it does in ouray and moab in three weeks.

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