Mechanics

HEAT AND AIR

2001 Jeep Cherokee

Heater problem
2001 Jeep Cherokee 4 cyl Four Wheel Drive Automatic 128475 miles

last winter I replaced the water pump and themorstat and flushed it all and now the heat is lukewarm and the a/c is not cold. Can u help
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Sam4e
June 19, 2010.



It could be the temperature blend door inside the A/C plenum(box) is stuck, or the door actuator(motor) isn't working. Feel both heater hoses going into the firewall, if both are very hot, it's the blend door, if only one is hot, the heater core is clogged, and the A/C may need recharging.

Merlin2021
Jun 19, 2010.


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