Questions tagged [heater]

An assembly to generate heat inside the cab of a vehicle, frequently taking hot air off the engine block and sending it into the driver's compartment.

9
votes
1answer
410 views

Excessive Coolant Expansion: Part 2

This is a continuation of my excessive coolant expansion question regarding my 98 Mazda 626 2L. When I drained the coolant I noticed this black sediment which settled to the bottom of the container I ...
5
votes
4answers
3k views

Car heater taking too long to come on if at all?

My car heater is taking a long time to come on if at all. Anyone know what can be causing this? Just to note that I recently changed my engine because the previous engine overheated and the water ...
5
votes
6answers
94k views

Impala no heat at Idle

I have 2006 impala that randomly will blow cold air at idle. Sometimes if I stop at redlight the heater will blow cold air. If I get the engine above idle by reving the engine to about 1K rpm it ...
10
votes
2answers
107k views

Heater blows cold air at idle

I have 2006 VW beetle with the 2.5L engine. Once the engine has warmed to operating temperature, and I am driving it around, the heater works great. As soon as I stop at a red light, or am idling for ...
6
votes
2answers
831 views

Is it efficient to use the cabin heat in my car?

As much of the United States struggles through the end of the nasty cold spell, a thought came to mind: Is it generally energy efficient to run the heat in my car? Let me be a little more specific. I ...
3
votes
4answers
22k views

1997 ford f150 heater not working properly

I have a 1997 ford f150. New water pump, new thermostat 195°, heater core has been flushed out. Problem is the heat will blow warm for few mins then blow cold air for few mins. What else should we do? ...
2
votes
3answers
5k views

Mysterious honda civic 2002 overheating some time

Okay, so lets start here. First my car started overheating. We changed the thermostat but it keeps on over heating. Let me explain my problem. I am driving on highways my heaters work perfectly ...
2
votes
0answers
78 views

Why may heating gradually stop after some time driving (and doesn't work in passenger side at all)?

This is a somewhat strange problem. Heating (in driver side) seems to work normal - after somewhere between 15-25 mins. driving or so, it gradually stops working. The warming in passenger side doesn't ...
2
votes
2answers
2k views

2004 x3 BMW heater blows cold air when stopped or idling

Heater only works when moving blows cold air when stopped or idling
1
vote
3answers
728 views

2001 Saab 9-5 turbo wagon - worth fixing?

I have an 01 Saab turbo wagon automatic with approximately 120,000 miles on it. Has some heater issues that make for a miserable ride in the winter. Needs the heatbox replaced according to a mechanic, ...
1
vote
0answers
41 views

Are there any cars where the blower motor is controlled by switched mode power supply?

I have seen many questions here related to blower motor resistors. That sounds like a really old-fashioned kind of technology. This made me wonder whether there are any cars that would use a switched ...