Best Answer

Can be a thermostat stuck open. Replace the thermostat and service the cooling system. Can also be a heater control valve malfunction.

User Avatar

Wiki User

2009-03-07 15:42:45
This answer is:
User Avatar
Study guides

Add your answer:

Earn +20 pts
Q: Why doesnt your 1989 Jeep Cherokee blow warm air?
Write your answer...
Still have questions?
magnify glass
Related questions

1998 Jeep Cherokee Sport Heater Won't Blow Hot Air - What is the problem and how do you fix it?

blend door failure is a common problem on 97+ Jeep Cherokee

How do you know if you blow a cylinder in a 2001 Jeep Grand Cherokee?

Can a 2004 Power Tech High Out Put Engine Fit in a 2001 jeep grand cherokee limited 4.7L v8

Why would a 2002 grand jeep Cherokee only blow out cold air?

Bad thermostat

Why would 1995 Jeep Grand Cherokee blow white smoke?

possibly blown head gasket

Why does the oil blow out from under the oil cap on a 1994 Jeep Cherokee Sport?

check pcv it maybe plugged

Why would cold air blow when the heat is on in my Jeep Cherokee?

Most common problem is that the blend door is stuck or broken.

What causes 60 amp fuse to blow on a 1996 Jeep Cherokee?

a massive overload of that particular circuit... cheers Aussie charlie..........

What causes the horn to blow when starting a 1989 Jeep Cherokee?

the horn itself may be screwed on too tight. Remove the horn cover, usually by prying it off, and there will be three Phillips head screws. Loosen those screws a little and that should solve it.

Why would a 2004 jeep grand cherokee only blow air out of defroster not the vents?

Either you need to pen your vents or there is some vent obstruction.

What could be the reasons that your 2000 Jeep Cherokee heater would randomly blow cold air and then hot air and then cold etc?

One of the reasons a 2000 Jeep Cherokee heater would randomly blow cold air and then hot air and then cold might be that there is a problem with the hot/cold duct. The air or a vent might be inadvertently blowing periodically.

1989 jeep Cherokee When running lights are on the fuse blows for the running lights blow why?

Sounds like there is an overload in a wire and it is blowing the fuses to keep from doing more serious damage. Have the wires to that fuse traced and tested to see if the wire is bad or if the ground wire is loose.

Why would your 2002 Jeep Cherokee not blow cold air?

You may have a faulty expansion valve. It may prevent compressor from running long enough to cool your car.

People also asked