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Then go through the system and find the problem. It could be an obstruction in the heater lines or core, a bad control valve, a bad blend door motor(s), or a bad control unit.
I checked the heater core for any crud In the it. Checked the lines. How do I access all that other stuff? Blend doors etc
Originally Posted by vinco
Check your coolant level first!
Then go through the system and find the problem. It could be an obstruction in the heater lines or core, a bad control valve, a bad blend door motor(s), or a bad control unit.
Take an infrared thermo and make sure the heater core is getting hot. If it isn't, then look at the coolant line actuator, it has either failed or you have bad vacuum. If it is getting hot, then check the blend door and/or blend door actuation.
ok so is there a door or flap for that opens for heat or cold. That’s what I think is wrong and what exactly is that called? The blend door a/c actuator?
Originally Posted by Krusty84
Take an infrared thermo and make sure the heater core is getting hot. If it isn't, then look at the coolant line actuator, it has either failed or you have bad vacuum. If it is getting hot, then check the blend door and/or blend door actuation.
Take an infrared thermo and make sure the heater core is getting hot. If it isn't, then look at the coolant line actuator, it has either failed or you have bad vacuum. If it is getting hot, then check the blend door and/or blend door actuation.
heyyy mr Peabody
I recently saw that post and I’m really thinking this is the problem. I only get cold air even wit he it all the way 90 degrees. This blender door motor wears out they say so maybe the door from cold to hot is suck.. what do u think?
do you have a pic or part number for the coolant line actuator? And which vacuum line should I look for?
Originally Posted by Krusty84
Take an infrared thermo and make sure the heater core is getting hot. If it isn't, then look at the coolant line actuator, it has either failed or you have bad vacuum. If it is getting hot, then check the blend door and/or blend door actuation.
Only explanation.
