Heater Only Blowing Out Cold
Posted 16 September 2009 - 03:35 PM
Heater only blowing out cold air, and it seem not to warm up after drive a while???:
Posted 16 September 2009 - 03:46 PM
Posted 16 September 2009 - 03:57 PM
As m1tch says, heater valve (attached to the other end of the heater cable), check that this moves correctly. It can get seized, and can be freed up with some WD40 and a clean up.
If the heater valve is moving ok (with the heater cable), the other possibility you could have is that the heater matrix has gotten blocked.
This is my current problem. My heater valve is permanently "on" at present, and I still don't get any hot air. It's lower down my priority of problems at present and will be sorted at some point. I've heard it's possible to flush things out with a hose, or use some descaler possibly. Perhaps someone else could elaborate.
Posted 16 September 2009 - 04:25 PM
Posted 16 September 2009 - 05:04 PM
Posted 16 September 2009 - 05:27 PM
unless the heater pipe comes off the thermostat housing and the thermostat has broken up, i cant see it being the thermostat as your car would be overheating by now.
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