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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.

10
votes
1answer
397 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
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 ...
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 ...
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
827 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
0answers
73 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
0answers
40 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 ...
1
vote
3answers
722 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, ...