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Best Cooling System Components for 95 XJ Straight 6

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Old Jun 4, 2014 | 10:46 AM
  #16  
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That is a good question. I am guessing probably not. I have owned the XJ for a year. I bought a trans cooler so hopefully that helps.

Originally Posted by SteveMongr
Are your axles re-geared for the 32's ? That alone will cause the overheating, especially the transmission which is dumping large amounts of heat into the radiator.
A 3 row can be trouble, the coolant passages are so small they get clogged easily and loose capacity.
You will definitely need the largest transmission cooler that can fit. I use a B&M plate-fin, 11" x 7".
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Old Jun 4, 2014 | 10:53 AM
  #17  
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Yeah, that makes the most sense. I will pick up a new radiator and water pump this weekend and all the other parts I have missed. So far have the:

- radiator upper and lower hoses
- radiator cap (with temp reading)
- thermostat
- transmission cooler
- 02 sensor (hopefully a new sensor will cool down the cat conv)

Hopefully I can figure out all the parts I need so I don't have to run to the parts store a million times.

Do you have a specific brand in mind? I saw NAPA has one (NAPA brand) with a lifetime warranty.

Originally Posted by djb383
Whatever it takes to keep temps reasonable, is what needs to be done. I'd start with all new cooling system components including a stock style rad from a local parts store. The rads I looked at locally had lifetime warranties so if there should be a warranty issue I can get it taken care of quickly.....won't have to jack with mail order.
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Old Jun 4, 2014 | 11:40 AM
  #18  
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Originally Posted by DirtWaterAltitude
Yeah, that makes the most sense. I will pick up a new radiator and water pump this weekend and all the other parts I have missed. So far have the:

- radiator upper and lower hoses
- radiator cap (with temp reading)
- thermostat
- transmission cooler
- 02 sensor (hopefully a new sensor will cool down the cat conv)

Hopefully I can figure out all the parts I need so I don't have to run to the parts store a million times.

Do you have a specific brand in mind? I saw NAPA has one (NAPA brand) with a lifetime warranty.
What is a "radiator cap (with temp reading)"????.......just get a Stant (non-lever) rad cap specific to your year/motor or get one from the dealership. It should have a 13-16 lb rating range.
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Old Jun 4, 2014 | 11:50 AM
  #19  
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I dont have a temp guage inside my XJ, so I got a 16 lb cap (without a lever) that has a temp gauge. I thought when I pull over I can check the gauge to see how hot it is running. So then I would know how long to wait around. However, I am hoping my new cooling system will work good and I can just use a normal cap after I test it for a while.



If it is junk, I will just return it.



Originally Posted by djb383
What is a "radiator cap (with temp reading)"????.......just get a Stant (non-lever) rad cap specific to your year/motor or get one from the dealership. It should have a 13-16 lb rating range.

Last edited by DirtWaterAltitude; Jun 4, 2014 at 11:57 AM.
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Old Jun 4, 2014 | 12:22 PM
  #20  
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I like using an infra-red temperature gun. Not practical while driving but is very handy all around the jeep.
For tranny temps I have a sender in the 'hot' line and one in a port. The hot line sender reads what comes out of the torque converter, the other reads the overall temp of tranny.
The IR gun can find hot spots and blockages, also the difference between the 'coolant in' and 'coolant out' of radiator. And sticky brakes, bad wheel bearings, AC temps, etc.
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Old Jun 4, 2014 | 12:53 PM
  #21  
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Originally Posted by DirtWaterAltitude
I dont have a temp guage inside my XJ, so I got a 16 lb cap (without a lever) that has a temp gauge. I thought when I pull over I can check the gauge to see how hot it is running. So then I would know how long to wait around. However, I am hoping my new cooling system will work good and I can just use a normal cap after I test it for a while.



If it is junk, I will just return it.
Return it......get a temp gun instead (link below). All kinds of uses, handy as a pocket on a shirt. Aim at the t-stat housing/cover. The rad cap location is a terrible place to get a temp reading......it's on the "cold" end of the radiator thus temp reading will be inaccurate.

http://www.harborfreight.com/non-con...9465-8905.html
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Old Jun 4, 2014 | 12:53 PM
  #22  
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Edit: The Mishimoto-R2340 Radiator - This radiator is applicable for manual LHD models and both automatic and manual RHD vehicles. So it wont work.

Has anyone had any experience with a Mishimoto-R2340 Radiator? I might buy that one.

Amazon.com: Mishimoto R2340 OEM Replacement Radiator for Jeep Cherokee 4.0L, Manual and Automatic Transmission: Automotive Amazon.com: Mishimoto R2340 OEM Replacement Radiator for Jeep Cherokee 4.0L, Manual and Automatic Transmission: Automotive

Last edited by DirtWaterAltitude; Jun 4, 2014 at 01:17 PM.
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Old Jun 4, 2014 | 01:08 PM
  #23  
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Darn. I should have bought that. I will do that.

Originally Posted by djb383
Return it......get a temp gun instead (link below). All kinds of uses, handy as a pocket on a shirt. Aim at the t-stat housing/cover. The rad cap location is a terrible place to get a temp reading......it's on the "cold" end of the radiator thus temp reading will be inaccurate.

http://www.harborfreight.com/non-con...9465-8905.html
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Old Jun 4, 2014 | 01:46 PM
  #24  
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Originally Posted by DirtWaterAltitude
Edit: The Mishimoto-R2340 Radiator - This radiator is applicable for manual LHD models and both automatic and manual RHD vehicles. So it wont work.

Has anyone had any experience with a Mishimoto-R2340 Radiator? I might buy that one.

Amazon.com: Mishimoto R2340 OEM Replacement Radiator for Jeep Cherokee 4.0L, Manual and Automatic Transmission: Automotive
That is a pricy radiator. Mishimoto is a forum member here and just posted this morning about their radiators and being for RHD or manual LHD.
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Old Jun 4, 2014 | 01:58 PM
  #25  
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I am going to go with the Spectra A1193:

http://www.autozone.com/autozone/par...266534_0_13752

from Autozone. They have a good price, 20% off coupon, and lifetime warranty.
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Old Jun 4, 2014 | 02:36 PM
  #26  
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I now have most of the parts. Here is a list of what I got:

- Spectra Premium/Radiator A1193
- Duralast Water Pump
- Torqflo Fan Clutch
- Stant Thermostat
- Duralast Thermostat Gasket
- Omix-Ada Radiator Hose (Upper and Lower)
- B&M 70264 SuperCooler Automatic Transmission Cooler
- Bosch 15704 Oxygen Sensor

Am I missing anything besides the radiator cap 16 psi?
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Old Jun 4, 2014 | 02:54 PM
  #27  
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Planning on eliminating the heater contol valve (HCV)?
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Old Jun 4, 2014 | 03:38 PM
  #28  
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Correction to earlier post;
Mishimoto is on another forum, not this one.
http://naxja.org/forum/showthread.php?t=1112648

Advance Auto has coupons for $30 off an $80 online purchase. I prefer NAPA over the others when it comes to parts.

Your lower radiator hose may have a spring in it to prevent collapse. I reuse the spring in the new hose. Some say the newer hoses are stiff enough, maybe when cold but not at 210 F.

Last edited by SteveMongr; Jun 4, 2014 at 03:45 PM.
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Old Jun 4, 2014 | 03:52 PM
  #29  
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No, I don't even really know what that is - besides what the name describes. Is that a normal thing to do when replacing your cooling system?

Originally Posted by EZEARL
Planning on eliminating the heater control valve (HCV)?

Last edited by DirtWaterAltitude; Jun 4, 2014 at 04:08 PM.
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Old Jun 4, 2014 | 03:53 PM
  #30  
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That is a good idea. From the pictures of the part:
Amazon Amazon

It looks like it has one. But nothing ever seems to go as planned so I might be using the old one. Thanks for the tip!

Originally Posted by SteveMongr
Correction to earlier post;
Mishimoto is on another forum, not this one.
http://naxja.org/forum/showthread.php?t=1112648

Advance Auto has coupons for $30 off an $80 online purchase. I prefer NAPA over the others when it comes to parts.

Your lower radiator hose may have a spring in it to prevent collapse. I reuse the spring in the new hose. Some say the newer hoses are stiff enough, maybe when cold but not at 210 F.
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