2006 Pontiac Montana SV6 "rear heater blows cold" Questions

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Question about Pontiac Montana SV6

1 Answer

...Rear heater blowing cold. First off make sure the thermostat settings are set the same on the control panel for both front and rear units if thats ok it could b a few possibilities. 1 pluged heater ...

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Question about Pontiac Montana SV6

1 Answer

...rear heater is blowing cold. I felt the heater hose running to the rear underneath the van just before they turn up into the rear heater core and they are also cold. The engine temp is running as ...

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rear in heater mode. While in heater mode the front vent blows heat, and at the same tiime it`s blowing cold in the rear. are you talking about vents overhead? they only recirculate without the a/c on

Question about Pontiac Montana SV6

3 Answers

...Heater blows cold air in the front vents and warm air in the rear vents. I need heat. its the blend door behind the glove box. I had the same problem heater control valve or stopped up front heater ...

...OK. The Rear Heater blow cold air all of the time. Help! impeller is made of plastic on teh water pump and its slipping and spinning on the shaft renew before weather warms up as engine will ...

...rear vents operate correctly (blow hot and cold air based on setting). I have checked hoses running to heater and both, supply and return are fairly warm. Fuse for front heater is ok. Car has 102,000 ...

Question about Pontiac Montana SV6

1 Answer

2006TrailBlazer LT Rear heater blows cold It blows cold air in the REAR are the heater hoses hot ?

Question about Pontiac Montana SV6

1 Answer

...up or the coolant lines going to rear heater core are plugged. could also be low coolant/faulty water pump not producing enough pressure, or air in the cooling system which will need to be bled if

Rear heater blows only cold air no matter what the settings are at. Front heat works well. I have tried using both the front and rear controls to set the temperature, but the rear vents will only blow

Question about Pontiac Montana SV6

1 Answer

...blows cold air below 45 MPH. Above 45 MPH the heater works OK. The Rear Heater blow cold air all of the time. Help! check the coolant level make sure it is full and there is no air in the

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