How does the cooling system work on a Jeep Cherokee?

When coolant temperature is below 190*F (88*C) the switch is open preventing the relay from being grounded and the cooling fan from being energized. When the air-conditioning is used the engine ECU grounds the A/C relay coil allowing current to flow through it.

What should I do if my Jeep Cherokee cooling fan does not work?

Check for battery voltage at terminal 2 of fan relay connector (Fig. 43). Connect a jumper wire across the radiator temperature switch harness connector. If fan operates proceed to next step. If fan does not operate replace radiator temperature switch once the engine has cooled down.

What kind of cooling system does a Jeep Comanche use?

1987-1992 Jeep Comanche (MJ) w/ LHD; w/ 4.0L engine.Application: Cherokee Cooling System. Coolant Bottle for Jeep Cherokee XJ w/ 4 cyl engine.

What kind of engine does a Jeep Wrangler have?

2000-2006 Jeep Wrangler TJ w/ 4.0L with Reverse Rotation. 1995-2001 Jeep Cherokee XJ w/ 2.5L or Diesel less Serpentine Belt. 1996-2001 Jeep Cherokee XJ w/ 2.5L Diesel engine. 1999-2001 Jeep Grand Cherokee WJ w/ 3.1L Diesel engine.

What’s the cooling temperature on a jeep 4.0L?

The Jeep 4.0L likes to run at 210*. If it won’t run properly at 210*, then you have OTHER cooling, sensor or engine problems that you need to FIX! A 180* thermostat will NOT fix your motor’s other problems! Diagnose cooling problems here

How to install a cooling system on a Jeep Cherokee?

Grab some teflon tape while you’re there. (Shouldn’t set ya back more than a few dollars for the hardware store trip). Now wrap the threads of the bushing with teflon tape and install the brass bushing into thermostat housing. Wrap threads of brass petcock and install petcock inside previously installed brass bushing.

1987-1992 Jeep Comanche (MJ) w/ LHD; w/ 4.0L engine.Application: Cherokee Cooling System. Coolant Bottle for Jeep Cherokee XJ w/ 4 cyl engine.

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