Author Topic: Heater not working - blowing cold air  (Read 931 times)

Offline DirtySanchez

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Heater not working - blowing cold air
« on: 16 February 2012, 17:03 »
My heater today decided to stop blowing hot air, it'll still blow cold air set to cold, but on set to hot, it's not much hotter than cold. No soggy carpets so i think the matrix is ok, what do you guys suggest, its friggin freezing :(

Offline sharki786

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Re: Heater not working - blowing cold air
« Reply #1 on: 16 February 2012, 17:12 »
it could be 2 things. Either the matrix is blocked or the heater resister is sh@gged. The resister is under the lower glove box at the back. It will have 3-4 wires going into it.
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Offline DirtySanchez

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Re: Heater not working - blowing cold air
« Reply #2 on: 16 February 2012, 17:18 »
Any online guide to flushing the matrix or changing the wiring  ?

Offline sharki786

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Re: Heater not working - blowing cold air
« Reply #3 on: 16 February 2012, 17:24 »
its just a switch that you disconnect and replace it. Try google for flushing the matrix out but its a dash out job i think.
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Offline Black-47

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Re: Heater not working - blowing cold air
« Reply #4 on: 16 February 2012, 17:30 »
hi DirtySanchez

Link here for you may help you  :wink:

http://www.golfgtiforum.co.uk/index.php?topic=68989.0;wap2
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Offline Wayne

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Re: Heater not working - blowing cold air
« Reply #5 on: 17 February 2012, 00:21 »
Check the heater hoses and see if they are getting hot.