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Best Selling Genuine Jeep Fan Clutches

  • We Stock the following top leading brands, including Hayden, Mopar
  • Constantly Updated Inventory of Jeep Replacement Fan Clutch Parts

We stock Fan Clutch parts for most Jeep models, including CJ5, CJ7, Cherokee, Commander, Grand Cherokee, Liberty, Wrangler.

Hayden
1972 Jeep Commando Engine Cooling Fan Clutch 8 Cyl 5.0L Hayden - Fan Clutch

P311-1B173F9    2705  New

402132 , 1580245 , FFC5049T , 154208 , FC2705 , 154346 , 771305 , 154546 , 154309 , 2911276 , 115049 , 154381 , 36952 , A8198 , 154310 , 067000 , 154443 , 154210 , 22048 , LF132 , KG2705 , 154218 , 7136952 , GC490 , 140023 , 154223 , 154325 , 154216 , 154215 , 154947 , 154308 , 154222 , 4849 , 2705TA , 115014 , 9302290 , 154220 , 402705 , 154318 , 7718 , 22049 , 2705 , 55649 , 230132 , 36778 , 55549 , FC57

Qty:
$30.72
Hayden Engine Cooling Fan Clutch
  • Standard Rotation Thermal Standard Duty Fan Clutch
  • Standard Rotation Standard Duty Thermal Fan Clutch
  • Fan Clutch
  • Product Attributes:
    • : New
    • Bolt Thread:
      • 5/16 In - 18
      • 5/16-18 Hole
    • Clutch Maximum Diameter: 7.2
    • Clutch Type: B - Non-thermal & Std Thermal
    • Description: Fan Clutches
    • Distance From Clutch To Mounting Flange:
      • 1.528
      • 1.53
    • Drawing Type: B
    • Duty Rating: Standard
    • Electronic Clutch?: Non Electronic
    • Fan Bolt Circle IN: 3.25
    • Fan Bolt Circle MM:
      • 82.55
      • 82.6
    • Fan Mount Dia. IN:
      • 2.62
      • 2.621
    • Fan Mount Dia. MM: 66.6
    • Fan Mount Height MM: 38.8
    • Mount Dia. IN:
      • 2.59375
      • 2.6
    • Mount Dia. MM: 66
    • Mounting Hardware?: Not Included
    • Mounting Type: Flange
    • Overall Dia. MM: 182.9
    • Overall Height IN: 3.11
    • Overall Height MM: 79
    • Pilot Depth IN: 1.03
    • Pilot Depth MM: 26.2
    • Pilot Dia. IN:
      • 0.625
      • 0.63
    • Rotation: Std
    • Style: Standard Duty
  • Designed, tested, and built by application; OE performance, fit, and appearance; Precision machined; Out of box installation
Brand: Hayden
Additional Fitment Information:
Vehicle Block Engine CID CC
1972 - Jeep Commando V 8 Cyl 5.0L 304 4983
Hayden
1973 Jeep J-100 Engine Cooling Fan Clutch 8 Cyl 5.9L Hayden - Fan Clutch

P311-5CDFBA8    2747  New

115054 , 36782 , 4846 , 22046 , 140021 , 154330 , A8189 , 7725 , 067203 , 230175 , 55545 , FC45 , 22054 , 115045 , 7136971 , 154366 , 154544 , KG2747 , 2747 , 154413 , GC501 , 9202060 , 2747TA , YB451 , ACD154949 , FC2747 , 7136956 , YB455 , 22047 , 154326 , YB429 , 154548 , FFC5052T , 771303 , 154324 , 36956 , LF175 , 154549 , 154370 , 22045 , 7136995 , 7726 , 115046 , 4845A , 115052 , 230216 , 402747 , 1580252

Qty:
$50.36
Hayden Engine Cooling Fan Clutch
  • Standard Rotation Thermal Heavy Duty Fan Clutch
  • Standard Rotation Heavy Duty Thermal Fan Clutch OE Fan Clutch Height
  • Fan Clutch
  • Product Attributes:
    • : New
    • Bolt Thread:
      • 5/16 In - 18
      • 5/16-18 Hole
    • Clutch Maximum Diameter: 7.2
    • Clutch Type: C - Heavy Duty
    • Description: Fan Clutches
    • Distance From Clutch To Mounting Flange:
      • 1.62
      • 1.63
    • Drawing Type: C
    • Duty Rating: Heavy
    • Electronic Clutch?: Non Electronic
    • Fan Bolt Circle IN: 3.25
    • Fan Bolt Circle MM:
      • 82.55
      • 82.6
    • Fan Mount Dia. IN:
      • 2.62
      • 2.621
    • Fan Mount Dia. MM: 66.6
    • Fan Mount Height MM: 41.1
    • Mount Dia. IN:
      • 2.59
      • 2.590
    • Mount Dia. MM: 66
    • Mounting Hardware?: Not Included
    • Mounting Type: Flange
    • Overall Dia. MM:
      • 182.88
      • 182.9
    • Overall Height IN:
      • 3.335
      • 3.34
    • Overall Height MM:
      • 84.709
      • 84.9
    • Pilot Depth IN: 0.63
    • Pilot Dia. IN:
      • 0.63 To 0.75
      • 0.630 To 0.750
    • Rotation: Std
    • Style: Heavy Duty
  • Designed, tested, and built by application; OE performance, fit, and appearance; Precision machined; Out of box installation
Brand: Hayden
Additional Fitment Information:
Vehicle Block Engine CID CC
1973 - Jeep J-100 V 8 Cyl 5.9L 360 -
Hayden
2008 Jeep Liberty Engine Cooling Fan Clutch Hayden - Fan Clutch

P311-3192297    2736  New

36781 , GC374 , 1540074 , 22151 , 36719 , 9202340 , FFC5736T , KG2736 , 2911325 , 140151

Qty:
$51.36
Hayden Engine Cooling Fan Clutch
  • Reverse Rotation Thermal Heavy Duty Fan Clutch
  • Reverse Rotation Heavy Duty Thermal Fan Clutch
  • Fan Clutch
  • Product Attributes:
    • : New
    • Bolt Thread:
      • 5/16 In - 18
      • 5/16-18 Hole
    • Clutch Maximum Diameter: 7.2
    • Clutch Type: C - Heavy Duty
    • Description: Fan Clutches
    • Distance From Clutch To Mounting Flange: 1.25
    • Drawing Type: C
    • Duty Rating: Heavy
    • Electronic Clutch?: Non Electronic
    • Fan Bolt Circle IN: 3.25
    • Fan Bolt Circle MM:
      • 82.55
      • 82.6
    • Fan Mount Dia. IN:
      • 2.62
      • 2.621
    • Fan Mount Dia. MM: 66.6
    • Fan Mount Height MM:
      • 31.75
      • 31.8
    • Mount Dia. IN:
      • 1.44 (36mm) Hex
      • 1.440
    • Mount Dia. MM: 36 Hex
    • Mounting Hardware?: Not Included
    • Mounting Type: Hex
    • Overall Dia. MM:
      • 182.88
      • 182.9
    • Overall Height IN:
      • 2.95
      • 2.965
    • Overall Height MM:
      • 75
      • 75.311
    • Pilot Depth IN: 0.7
    • Pilot Depth MM:
      • 17.78
      • 17.8
    • Pilot Dia. IN: M30x1.500
    • Rotation: Rev
    • Style: Heavy Duty
  • OE performance, fit, and appearance; Out of box installation; Designed, tested, and built by application
Brand: Hayden
Additional Fitment Information:
Vehicle
2008 - Jeep Liberty
Hayden
1995 Jeep Grand Cherokee Engine Cooling Fan Clutch 8 Cyl 5.2L Hayden - Fan Clutch

P311-321C154    2791  New

FC133 , LF283 , 2791 , 230283 , FC2791 , 7136700 , 22159 , 35638 , A5545 , 115159 , 2911261 , 9202010 , GC371 , 22160 , 402262 , 4859R , 140064 , 115160 , 067211 , 1580253 , 36700 , FFC5791T , 2791TA , 140063 , KG2791 , 402228

Qty:
$57.12
Hayden Engine Cooling Fan Clutch
  • Reverse Rotation Severe Duty Thermal Fan Clutch
  • Reverse Rotation Severe Duty Thermal Fan Clutch
  • Fan Clutch
  • Product Attributes:
    • : New
    • Bolt Comment: 5/16-18 Hole X4
    • Bolt Thread:
      • 5/16 In - 18
      • 5/16-18 Hole
    • Clutch Maximum Diameter:
      • 6.45
      • 6.450
      • 7.250
    • Clutch Type: D - Severe Duty & Truck Fan Drive
    • Depth IN: 3.765625
    • Depth MM: 95.758
    • Description: Fan Clutches
    • Distance From Clutch To Mounting Flange:
      • 1.745
      • 1.75
    • Drawing Type: D
    • Duty Rating: Severe
    • Fan Bolt Circle IN:
      • 2.620
      • 3.25
      • 3.250
    • Fan Bolt Circle MM:
      • 66.548
      • 82.55
      • 82.550
      • 82.6
    • Fan Mount Dia. IN:
      • 2.62
      • 2.621
    • Fan Mount Dia. MM: 66.6
    • Fan Mount Height MM: 44.3
    • Length IN: 6.450
    • Length MM: 163.830
    • Mount Dia. IN:
      • 1.44 (36mm) Hex
      • 1.440
    • Mount Dia. MM: 36 Hex
    • Mounting Hardware?: Not Included
    • Mounting Type: Hex
    • Overall Dia. MM: 163.8
    • Overall Height IN:
      • 3.765
      • 3.77
      • 7.250
    • Overall Height MM:
      • 95.6
      • 95.631
      • 95.758
    • Overall Width IN: 3.77
    • Overall Width MM: 95.76
    • Pilot Depth IN: 0.7
    • Pilot Depth MM:
      • 17.78
      • 17.8
    • Pilot Dia. IN: M30 X 1.5 Right
    • Rotation: Rev
    • Style: Severe Duty
    • Width IN: 6.450
    • Width MM: 163.830
  • Designed, tested, and built by application; OE performance, fit, and appearance; Precision machined; Out of box installation
Brand: Hayden
Additional Fitment Information:
Vehicle Block Engine CID CC
1995 - Jeep Grand Cherokee V 8 Cyl 5.2L 317 5200
Hayden
2006 Jeep TJ Engine Cooling Fan Clutch 4 Cyl 2.4L Hayden - Fan Clutch

P311-30B5D3C    2625  New

230255 , GC496 , 36904 , 36980 , 1540313 , 402625 , 4830R , FC2625 , 22148 , 9202380 , FFC5625T , 140057 , LF255 , FC138 , 2625TA , A72318 , 2625 , 402255 , KG2625

Qty:
$38.77
Hayden Engine Cooling Fan Clutch
  • Reverse Rotation Thermal Standard Duty Fan Clutch
  • Reverse Rotation Standard Duty Thermal Fan Clutch
  • Fan Clutch
  • Product Attributes:
    • : New
    • Bolt Thread:
      • 5/16 In - 18
      • 5/16-18 Hole
    • Clutch Maximum Diameter: 5.99
    • Clutch Type: B - Non-thermal & Std Thermal
    • Description: Fan Clutches
    • Distance From Clutch To Mounting Flange:
      • 1.528
      • 1.53
    • Drawing Type: B
    • Duty Rating: Standard
    • Electronic Clutch?: Non Electronic
    • Fan Bolt Circle IN: 3.25
    • Fan Bolt Circle MM:
      • 82.55
      • 82.6
    • Fan Mount Dia. IN:
      • 2.62
      • 2.621
    • Fan Mount Dia. MM: 66.6
    • Fan Mount Height MM: 38.8
    • Mount Dia. IN:
      • 2.59375
      • 2.6
    • Mount Dia. MM: 66
    • Mounting Hardware?: Not Included
    • Mounting Type: Flange
    • Overall Dia. MM: 152.1
    • Overall Height IN:
      • 3.11
      • 3.111
    • Overall Height MM:
      • 79
      • 79.020
    • Pilot Depth IN: 1.03
    • Pilot Depth MM: 26.2
    • Pilot Dia. IN:
      • 0.625
      • 0.63
    • Rotation: Rev
    • Style: Standard Duty
  • Designed, tested, and built by application; OE performance, fit, and appearance; Precision machined; Out of box installation
Brand: Hayden
Additional Fitment Information:
Vehicle Block Engine CID CC
2006 - Jeep TJ L 4 Cyl 2.4L 148 -
Hayden
2006 Jeep TJ Engine Cooling Fan Clutch 6 Cyl 4.0L Hayden - Fan Clutch

P311-187BB13    2771  New

KG2771 , 402771 , 4860R , 36946 , GC360 , 2771 , 9202150 , 230228 , FC112 , LF228 , FC2771 , 7136946 , 2911326 , FFC5771T , 36773 , A71368 , 140082 , 2771TA , 22160 , 2911272 , 1580254

Qty:
$53.64
Hayden Engine Cooling Fan Clutch
  • Reverse Rotation Thermal Heavy Duty Fan Clutch
  • Reverse Rotation Heavy Duty Thermal Fan Clutch
  • Fan Clutch
  • Product Attributes:
    • : New
    • Bolt Thread:
      • 5/16 In - 18
      • 5/16-18 Hole
    • Clutch Maximum Diameter: 7.2
    • Clutch Type: C - Heavy Duty
    • Description: Fan Clutches
    • Distance From Clutch To Mounting Flange: 1.75
    • Drawing Type: C
    • Duty Rating: Heavy
    • Electronic Clutch?: Non Electronic
    • Fan Bolt Circle IN: 3.25
    • Fan Bolt Circle MM:
      • 82.55
      • 82.6
    • Fan Mount Dia. IN:
      • 2.62
      • 2.621
    • Fan Mount Dia. MM: 66.6
    • Fan Mount Height MM:
      • 44.45
      • 44.5
    • Mount Dia. IN:
      • 1.44 (36mm) Hex
      • 1.440
    • Mount Dia. MM: 36 Hex
    • Mounting Hardware?: Not Included
    • Mounting Type: Hex
    • Overall Dia. MM:
      • 182.88
      • 182.9
    • Overall Height IN:
      • 3.46875
      • 3.47
    • Overall Height MM:
      • 88.011
      • 88.1
    • Pilot Depth IN: 0.7
    • Pilot Depth MM:
      • 17.78
      • 17.8
    • Pilot Dia. IN: M30x1.500
    • Rotation: Rev
    • Style: Heavy Duty
  • Designed, tested, and built by application; OE performance, fit, and appearance; Precision machined; Out of box installation
Brand: Hayden
Additional Fitment Information:
Vehicle Block Engine CID CC
2006 - Jeep TJ L 6 Cyl 4.0L 242 -
Hayden
2004 Jeep Liberty Engine Cooling Fan Clutch 6 Cyl 3.7L Hayden - Fan Clutch

P311-3192297    2736  New

36781 , GC374 , 1540074 , 22151 , 36719 , 9202340 , FFC5736T , KG2736 , 2911325 , 140151

Qty:
$51.36
Hayden Engine Cooling Fan Clutch
  • Reverse Rotation Thermal Heavy Duty Fan Clutch
  • Reverse Rotation Heavy Duty Thermal Fan Clutch with Tow Package
  • Fan Clutch
  • Product Attributes:
    • : New
    • Bolt Thread:
      • 5/16 In - 18
      • 5/16-18 Hole
    • Clutch Maximum Diameter: 7.2
    • Clutch Type: C - Heavy Duty
    • Description: Fan Clutches
    • Distance From Clutch To Mounting Flange: 1.25
    • Drawing Type: C
    • Duty Rating: Heavy
    • Electronic Clutch?: Non Electronic
    • Fan Bolt Circle IN: 3.25
    • Fan Bolt Circle MM:
      • 82.55
      • 82.6
    • Fan Mount Dia. IN:
      • 2.62
      • 2.621
    • Fan Mount Dia. MM: 66.6
    • Fan Mount Height MM:
      • 31.75
      • 31.8
    • Mount Dia. IN:
      • 1.44 (36mm) Hex
      • 1.440
    • Mount Dia. MM: 36 Hex
    • Mounting Hardware?: Not Included
    • Mounting Type: Hex
    • Overall Dia. MM:
      • 182.88
      • 182.9
    • Overall Height IN:
      • 2.95
      • 2.965
    • Overall Height MM:
      • 75
      • 75.311
    • Pilot Depth IN: 0.7
    • Pilot Depth MM:
      • 17.78
      • 17.8
    • Pilot Dia. IN: M30x1.500
    • Rotation: Rev
    • Style: Heavy Duty
  • OE performance, fit, and appearance; Out of box installation; Designed, tested, and built by application
Brand: Hayden
Additional Fitment Information:
Vehicle Block Engine CID CC
2004 - Jeep Liberty V 6 Cyl 3.7L 226 -
Hayden
2005 Jeep Liberty Engine Cooling Fan Clutch 6 Cyl 3.7L Hayden - Fan Clutch

P311-3192297    2736  New

36781 , GC374 , 1540074 , 22151 , 36719 , 9202340 , FFC5736T , KG2736 , 2911325 , 140151

Qty:
$51.36
Hayden Engine Cooling Fan Clutch
  • Reverse Rotation Thermal Heavy Duty Fan Clutch
  • Reverse Rotation Heavy Duty Thermal Fan Clutch with Towing Package
  • Fan Clutch
  • Product Attributes:
    • : New
    • Bolt Thread:
      • 5/16 In - 18
      • 5/16-18 Hole
    • Clutch Maximum Diameter: 7.2
    • Clutch Type: C - Heavy Duty
    • Description: Fan Clutches
    • Distance From Clutch To Mounting Flange: 1.25
    • Drawing Type: C
    • Duty Rating: Heavy
    • Electronic Clutch?: Non Electronic
    • Fan Bolt Circle IN: 3.25
    • Fan Bolt Circle MM:
      • 82.55
      • 82.6
    • Fan Mount Dia. IN:
      • 2.62
      • 2.621
    • Fan Mount Dia. MM: 66.6
    • Fan Mount Height MM:
      • 31.75
      • 31.8
    • Mount Dia. IN:
      • 1.44 (36mm) Hex
      • 1.440
    • Mount Dia. MM: 36 Hex
    • Mounting Hardware?: Not Included
    • Mounting Type: Hex
    • Overall Dia. MM:
      • 182.88
      • 182.9
    • Overall Height IN:
      • 2.95
      • 2.965
    • Overall Height MM:
      • 75
      • 75.311
    • Pilot Depth IN: 0.7
    • Pilot Depth MM:
      • 17.78
      • 17.8
    • Pilot Dia. IN: M30x1.500
    • Rotation: Rev
    • Style: Heavy Duty
  • OE performance, fit, and appearance; Out of box installation; Designed, tested, and built by application
Brand: Hayden
Additional Fitment Information:
Vehicle Block Engine CID CC
2005 - Jeep Liberty V 6 Cyl 3.7L 226 -
Hayden
2005 Jeep TJ Engine Cooling Fan Clutch 6 Cyl 4.0L Hayden - Fan Clutch

P311-187BB13    2771  New

KG2771 , 402771 , 4860R , 36946 , GC360 , 2771 , 9202150 , 230228 , FC112 , LF228 , FC2771 , 7136946 , 2911326 , FFC5771T , 36773 , A71368 , 140082 , 2771TA , 22160 , 2911272 , 1580254

Qty:
$53.64
Hayden Engine Cooling Fan Clutch
  • Reverse Rotation Thermal Heavy Duty Fan Clutch
  • Standard Rotation Heavy Duty Thermal Fan Clutch
  • Fan Clutch
  • Product Attributes:
    • : New
    • Bolt Thread:
      • 5/16 In - 18
      • 5/16-18 Hole
    • Clutch Maximum Diameter: 7.2
    • Clutch Type: C - Heavy Duty
    • Description: Fan Clutches
    • Distance From Clutch To Mounting Flange: 1.75
    • Drawing Type: C
    • Duty Rating: Heavy
    • Electronic Clutch?: Non Electronic
    • Fan Bolt Circle IN: 3.25
    • Fan Bolt Circle MM:
      • 82.55
      • 82.6
    • Fan Mount Dia. IN:
      • 2.62
      • 2.621
    • Fan Mount Dia. MM: 66.6
    • Fan Mount Height MM:
      • 44.45
      • 44.5
    • Mount Dia. IN:
      • 1.44 (36mm) Hex
      • 1.440
    • Mount Dia. MM: 36 Hex
    • Mounting Hardware?: Not Included
    • Mounting Type: Hex
    • Overall Dia. MM:
      • 182.88
      • 182.9
    • Overall Height IN:
      • 3.46875
      • 3.47
    • Overall Height MM:
      • 88.011
      • 88.1
    • Pilot Depth IN: 0.7
    • Pilot Depth MM:
      • 17.78
      • 17.8
    • Pilot Dia. IN: M30x1.500
    • Rotation: Rev
    • Style: Heavy Duty
  • Designed, tested, and built by application; OE performance, fit, and appearance; Precision machined; Out of box installation
Brand: Hayden
Additional Fitment Information:
Vehicle Block Engine CID CC
2005 - Jeep TJ L 6 Cyl 4.0L 242 -
Mopar
1998 Jeep Cherokee Engine Cooling Fan Clutch 6 Cyl 4.0L Mopar

P311-316C550    W0133-2076036  New

Qty:
$146.30
Mopar Engine Cooling Fan Clutch
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
Brand: Mopar
Additional Fitment Information:
Vehicle Block Engine CID CC
1998 - Jeep Cherokee L 6 Cyl 4.0L 242 -

Latest Jeep Repair and Fan Clutch Installation Advice

CarJunky AutoAdvice

94 jeep cherokee overheating

Showing 2 out of 4 Posts | Show 2 Hidden Posts
Question From bob29 on 94 jeep cherokee overheating

I have a 94 jeep cherokee sport that 6cyl wants to overheat when running the a/c. Its now summer and the tempatures are getting to 105 and up. Recentley changed the radiator hoses, coolant, and thermostat. Going to straighten out the fins on the smaller radiator in front, oil or tranny cooler not sure. Both fans are running. any chance a a/c recharge would help with this problem? Any suggestions are welcome thanks.

Response From bobfrompgd

Buy a heavy duty radiator. I have cherokee. a new radiator would help some but get a bigger one, its the only thing that will really solve the problem. Also the electric fan wont come on unless the ac is running or temp. reaches 215 degrees then its to late to bring it down. I put a toggle switch on it so I can control it, huge help. In summer as i start engine fan comes on. Cherokees have weak cooling systems unless they came with a tow package or for plowing snow. Several parts folks told me a larger radiator was not available but they are . look online.

Response From Sidom Top Rated Answer

In addition to HTs suggestions, take a good look at the fan clutch. If there are any doubts change it out.

Response From Hammer Time

No, no chance of that. Sounds like you just need a new radiator. The one you have has diminished capacity now.

Overheating jeep, again

Showing 2 out of 5 Posts | Show 3 Hidden Posts
Question From zmasterflex on Overheating jeep, again

96 jeep cherokee sport 4.0 72k. Last summer the jeep would overheat usually after coming off the highway to street speeds. I flushed the coolant and changed the thermostat (thermostat I bought came with a pre-drilled hole). Now that it's getting warmer outside, the problem starts again. Ill be on the highway for an hour, and when I stop to pay a toll or when I get to the local streets, the engine gets so hot I have to blast the heater to prevent the heat gauge from redlining. Any suggestions? thanks

Response From Hammer Time Top Rated Answer

I would suspect a combination of a radiator that isn't up to snuff any more and a weak fan clutch, assuming it doesn't have an electric fan.

Response From Tom Greenleaf

Agree that radiator or fan for it isn't capable. That hole in new thermostat is there so you can fill this full and slowly air will bleed thru that - some will use a tiny notch on the side and neither are causing overheating however done. Low coolant level will and noticed when heater doesn't blow hot for you.

4.0 engine is pretty tough but do everything still not to overheat,

T

Response From nickwarner

If it helps you guys, the Jeep Cherokee has both a clutch fan and an electric one. An auxiliary electric is mounted on the radiator next to the clutch fan driven from the engine. When the radiators go out they can definately do this. I had a Cherokee myself with the same engine that did the same thing. When its getting hot, does the electric fan come on? Its temp controlled but if you have working AC then it will stay on anytime the AC is on. Easy way to see if the electric is working and carry on with other tests as Tom and HT have suggested.

Response From Hammer Time

No Nick, they all don't. I have a 97 sitting in my driveway right now that has clutch fan only.

overheating-cherokee

Showing 2 out of 14 Posts | Show 12 Hidden Posts
Question From saleen on overheating-cherokee

I HAVE A 1990 JEEP CHEROKEE,4.0L,OVER HEATING IF IDLE TO LONG OR STUCK IN TRAFFIC,DOES ALRIGHT GOING DOWN THE FREEWAY.DID NOT HAVE PROBLEM TILL I CHANGED THE AUTO TRANS AND PULLED THE RADIATOR OUT TO BE CLEANED AT LOCAL RADIATOR SHOP,ALSO CHANGED THERMOSTAT AT SAME TIME.THANK YOU.

Response From bobfrompgd

I have 95 cherokee and have battled the same problem. Large engine in a small space. Small cooling system. I put on a high flow water pump, this helped a little. The electric cooling fan will not come on unless the ac is running or the engine reaches 215 degrees and by then it will not bring the temp down. I put on a toggle switch so I can control the electric fan. This was a big help. I have a heavy duty radiator for next summer. It took me a while to find one, I know from experience I wont have a cooling problem next summer. In the book that came with vehicle it even mentions hot weather with ac on, or going up a mountain. It is a weak cooling system. I put larger radiators on all my vehicles if I can . They all have over 200k miles. Cherokees are great I wish they still made them.

Response From Hammer Time


I have 95 cherokee and have battled the same problem. Large engine in a small space. Small cooling system. I put on a high flow water pump, this helped a little. The electric cooling fan will not come on unless the ac is running or the engine reaches 215 degrees and by then it will not bring the temp down. I put on a toggle switch so I can control the electric fan. This was a big help. I have a heavy duty radiator for next summer. It took me a while to find one, I know from experience I wont have a cooling problem next summer. In the book that came with vehicle it even mentions hot weather with ac on, or going up a mountain. It is a weak cooling system. I put larger radiators on all my vehicles if I can . They all have over 200k miles. Cherokees are great I wish they still made them.

You don't need all that non OEM stuff. There is a problem with your vehicle and you just haven't found it yet. The factory cooling system is more than efficient when working properly.

Response From bobfrompgd

O NO the sherriff..

Response From Sidom

Check to see if your cooling fan is coming on.

Response From saleen

IT HAS A DIRECT DRIVE CLUTCH FAN.THANKS.

Response From Hammer Time

If it has HD cooling, it will also have an electric fan.

Response From saleen

YOU ARE CORRECT AND EVEN WHEN THAT COMES ON IT DOES NOT DETER IT FROM BOILING OVER IN THE RESEVIOR.

Response From Hammer Time

Why did you have it cleaned in the first place. You must have already had a problem, right?

Response From saleen

NO ISSUES.PUT A NEW TRANS IN AND CLEANED PER WARRENTY.

Response From Hammer Time Top Rated Answer

If your not having a problem at cruising speed, it can only be a fan problem. It may need a new fan clutch. Make sure the shroud is good and the radiator air flow isn't restricted.

Response From saleen

I WILL CHECK THAT OUT.COULD IT STILL HAVE SOME AIR TRAPPED,I HAVE HEAT.THANKS FOR YOUR HELP.

Response From Hammer Time

It's possible but not real likely. Just driving it should work the air out.

Response From saleen

I DID NOT THINK SO BUT I AM UNFAMILIAR WITH THE JEEP.THANK YOU.

4.0L jeep overheating

Showing 7 out of 8 Posts | Show 1 Hidden Posts
Question From swhitney on 4.0L jeep overheating

1999 Jeep Wrangler 4.0L I6. Engine overheats under heavy load or over 45 MPH. Radiator replaced due to leak / Cooling system had excessive rust, so much so that the fins on the waterpump were gone when pump was removed / Replaced waterpump with reverse rotation pump (serpentine belt) and replaced thermostat with 160 deg / Thoroughly flushed system with non-acidic flush and removed waterpump to verify block looks like new inside / All coolant hoses changed because they felt brittle / Attempted reverse compression test by applying air to each cylinder on top dead center and found no bubbles in radiator cap or air leaks from throttle body or exhaust / Air conditioning condenser free of debris and nothing between the condenser and radiator to block air flow / Fan clutch replaced just for good measure.

Did I miss anything?

Thanks,

Response From Hammer Time Top Rated Answer

Although pumping air into the cylinder sounds foolproof, it really isn't. The best way to test for that is with an emissions analyzer over the radiator.

I'd also remove the upper radiator hose and run the engine just to make sure the pump is working properly and your getting good flow.

Response From swhitney

What's the best way to increase flow?

Response From Hammer Time

You can't increase flow. You just verifying that you have the right pump rotation.

Response From swhitney

I have verified that the coolant is flowing and in the correct direction.

Response From Tom Greenleaf

?? What's this with the reverse water pump?? If fins aren't right flow would be too low if directional,

T

Response From Hammer Time

Jeeps use 2 different water pumps depending on what kind of belt they use because the pump that is driven by the backside of a serp belt turns the opposite direction and they make them both ways.

Response From Tom Greenleaf

Learn something new every day! I didn't know how they did what with an age old engine TMK?? Unfortunately forget two or more of something every day too - just laugh. The alternative is too sad,

T

1999 4.0 Grand Cherokee

Showing 2 out of 2 Posts
Question From jersummers1 on 1999 4.0 Grand Cherokee

My 99 grand cherokee 4.0 engine temp gets hot quickly unless I am driving at freeway speeds (65-75mph.) If I slow down or stop I have to turn on the heater full blast to keep from overheating. The radiator, thermostat, and hoses are new (replaced for other issues before the whether here in AZ was real hot.) I was wondering if this was most likely caused by a fan clutch, water pump, or something else. There are no coolant leaks. The jeep also has an electric fan (tow package option) along with the standard fan and it seems to be working fine.

Response From Loren Champlain Sr Top Rated Answer

jersummers; Obviously, you already know that the fan(s) don't come into effect until you are at low speeds. The fan clutch should 'lock' up once the engine reaches temperature. It will 'free-wheel' when cold. The electric fan, on some engines, won't come on unless the A/C is in the 'on' position. You could use this as a 'back up' until you get this figured out. Generally, a faulty water pump will cause overheating issues at cruise speeds, due to lack of flow. Same with the T-stat.