Question about 1998 Jeep Cherokee
It does not have a problem when it is 40 degrees, but below that it blows mainly cold air. Also the temp gauge does not stay pointing straight up ( in the middle) unless I am at about 3000 RPMs.
Could be; thermostat, plugged heater coil, or maybe you're just low on coolant. If you have enough coolant, then change your thermostat. It costs like 4 bucks and should only take you about 15 minutes. Then, flush your heater core by disconnecting the two hoses and running water through one with a garden hose until water comes out the other, then reverse it after a minute or two. Do this a couple of times. You can also buy some flushing solution to do this with if it looks bad. I had the same problem and it turns out I was just low on coolant. I had a slow leak in my radiator and after I replaced it and had the right level of coolant I had nice toasty heat again.
Posted on May 14, 2009
Does the temp gauge go up to about half. If so heater core may be plugged.if temp gauge doe not go to about half i suspect a bad thermostat .
Posted on Jan 27, 2009
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Posted on Jan 02, 2017
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