Pontiac Montana Heater Not Working

No Heat, Or Heat For A Little While, Then No Heat. It Has A Front And Back Heater Core. Thermostat Is Not Sticking. Vehicle Runs At Normal...

Greetings, I Was Told My Head Gasket Leaking To Come To This Conclusion They Changed The Coolant And Bleeding. The Thermostat Is Okay....

No Heat Inside The Passenger Cabin?

The Heat Never Gets "hot". The Temperature Gauge Reaches The Half Mark. The Air Will Get Warm, Then Gradually Cool Off. It Does Not...

Heater Problem 2004 Pontiac Montana 93148 Miles My Heater In My Van All Of A Sudden Started Blowing Cool Air, Not Getting Hot At All...

Heater Blows Cold Air Most Often. Occasionally It Will Blow Hot Air But Changes Back And Forth While Driving Or Sitting Still. Today The Van...

Heater Will Blow Cold Air And Sometimes It Warms Up, But Mostly Cold, What Could Be Problem

The Last Mechanic That I Took My Van To Replace The A/c Compressor Because The System Was Only Blowing Heat. He Told Me I Was Going To Need...

After Change Woter Pump Is No Heat

2001 Ponitac Montana - Heater Will Not Work. Replaced Thermostat And Mechanic Thinks It Is A Servo Under The Dash. Where Can I Get A Diagram...