2002 Pontiac Montana "circulating heating" Questions

we have front heat but rear heat will not heat check coolant level, you may not have enough to circulate to the back heater core

The heater in my 2004 Pontiac Montana isn't putting out adequate heat. The blower is working fine. THE 97-04 MONTANA HAS THE 3.4 ENGINE WHICH HAS AN ISSUE WITH FAULTY INTAKE MANIFOLD & HEAD ...

...circulating and you replaced pump &thermostat and heater core and still over heating. Your problem is your radiator is clogged you can replace it or tack it too a radiator shope and them flash ...

...heating at low idle. .Cooling fans not circulating. Fuse appears to be okay What do I check next.? Hi!! Check the Fan Relay(s) and the cooling temp. sensor. Also check wiring. Don't forget to rate ...

no rear heat in pontiac montana '99 The back fan but no blowing warm air just cold air Warm up vehicle, then access heater pipes that run to rear of vehicle. they should be HOT. if not you have a ...

2002 montana getting overheated due to coolant not circulating.coolant is reversing sometimes back to reservoir making it full or goes really low.IN hose is hot-OUT hose is not that cold that of ...

can a bad water pump cause other things to not work properly? like the heat? and will it over heat? Yes That is exaxtly what will happen, If the water pump is not pumping the antifreeze throught the ...

The windows get frosty while I'm driving and the heater is on First off make sure your radiator is full and check the overflow level. Low coolant level will cause the van not to blow out much heat. ...

my 2001 montana has heat then no heat and heat again it does'nt overheat it reads normal but just wondering how to fix this as we bled out the screws fluids are good too Usually when that happens the ...

heating as well as nothing blowing from the heater. good luck.heater cores are generally inexpensive parts to replace. last thing you can check if heater core is ok. is the thermostat. Your coolant is