Chevy S-10 | Thermostats | Heater Cores and Blower Fans | Car Heaters

Why does Car heater only works while driving?

Most (not all) cars are heated by the engine. When fluid moves through the engine it heats up. This fluid moves through the heater core, a fan moves air over the warm heater coils blowing warm air out to the cars cab.

Why would a car only blow cold air when driving?

Only blows cold air with the a/c on while driving, your cooling fan or fan clutch is bad depending on the year, make and model.......... Only blows cold air with the heater on while driving, you will have a bad or broken internal a/c - heater control door.....

Why would the heater quit working while driving on 03 trailblazer and then only come on if the heater output is on level 5?

You have a bad blower resister..............

How come my heater on my Ford Fiesta 1998 only works on number 4?

how is it my heater control on my ford fiesta flight 1998 only works on no. 4

Heater only works on high speed?

The heater motor speed resister is burned out.

Why does the heater only work when you are driving?

Because the heater pulls the heat off of the motor and uses fans to circulate it to you

If the rear heater works ok why does the front heater only blow cold air?

replace front heater corefront and rear have independent heater cores

Heater motor only works on high 2002 dodge caravan 95000miles?

Replace heater motor resistor.

Vectra heater fan only works on full?

Probably the Heater Fan Thermostat. It may have a different name.

Heater only works on high?

The blower motor speed resistor is burned out.

2001 dodge 1500 ac and heater flow regulator switch does not work. works only on defrost?

2001 dodge ram 1500 ac and heater flow regulator switch does not work. works only on defrost. How to fix?

How does gas water heater work?

The gas water heater works through a principle of physics which is known as convection. The gas heater is similar to a water heater only that it has one heating unit.?æ

Why does your heater in your car only heat when you are driving?

The heater in your car uses waste heat from the engine to heat the car. When the engine is not running there is no heat to distribute.

1999 Buick Regal heater only works on high?

Check the blower resister

What is wrong when you can only smell gas fumes when the car heater is on?

what are you driving? email me direct if you wish

Why does your heater only blow hot hair when the car is moving Honda Civic?

not developing enough vacuum while driving to keep the blend door open check your vacuum lines for leaks