Question about 2000 GMC Jimmy
When i have the air on it blowns cold just fine when i switch to heat the air doesent blow as hard and is cold
Had similar problem in my 2000 Jimmy. No hot air from heater. Had the shop (Midas) disconnect heater hoses at the fire wall and blow out the heater core with air hose. Got rust and junk blown out. Hooked up and flushed system with new anti freeze. Got lots of heat now.
Posted on Nov 09, 2008
Check that the gate valve is operating properly on your heating system,
check that you have the propper amount of coolant and the propper mixture,
check the temperature of your thermostat and that it is working propperly,
To test your thermostat remove it from the vehicle and boil a pot of water on the stove, when the water is boiling drop the thermostat in and it should open, if it doesn't it is no good.
I would also recommend installling a195 degree thermostat if you live in a cooler climate.
Posted on Oct 25, 2008
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Posted on Jan 02, 2017
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