the blower motor and fan are working but no warm or hot air is entering the cabin.
2001 Volvo Detroit diesel.
Cabin not heating help.
Discussion in 'Volvo Forum' started by poe333, Nov 22, 2016.
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Is coolant lines shut off to heater core ?
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Do you smell coolant at all? I always suspect heater cores because I have replaced so many of them over the years! (cars and trucks and my Pete)
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Getsinyourblood Thanks this.
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Do not turn off the one to transmission, if fitted. -
Does it have an air filter in the system like a Pete
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I think if the bunk is working, then it's probably taps turned off for summer.
Hope he gets warm soon! -
That old of a truck. Might have a water valve in the coolant hose also. The water valve has a cable that connects to the temp control slider knob. It's used to control the temp of the heater. It's possible the water valve is in closed position.
That's if it has one. Or the temp blend door is in cold position.
Check your heater hoses. If both hoses going to the firewall are hot. That's a plugged core. One should be colder then the other.
That's on top of what others have suggested in checking that your water valves are open. -
Huh, I have the same problem
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