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Heater not working correctly!


harminder
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Hi guys

 

Got a 2007 Passat and only done 59k mileage. Car had been parked up for a week or so and when i took it out for a spin i noticed the AC was not working. Although AC was not working is was actually blowing hot air on the coldest setting!

 

This morning i drove the car on the motorway and after about 15 mins the car started to blow cold air finally. I then put the AC on and the air was cold as it should be. However once i changed the setting to anything other than the coldest setting it starts blowing hot air again?

 

Any ideas? Is it sensor related or any pipes I can check? I noticed the temperature gauge on the car was moving between 4-5c and still had the frost/ice sign on which i thought was strange?

 

Thanks guys

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Does the car have full climate control or the 'climatic' semi-auto climate?

 

It may not make any difference, but I certainly know that the full 'climatronic' system takes into account outside temperatures, which it'll be getting from the temp. sensor, which is housed in one of the mirrors, from what I recall.

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I believe it is semi-auto climate control (have to turn dial manually to set temp rather than digitally). To be fair seems to have got a little better since another drive today. Strange but still not perfect but if i set temp to 22 (in middle) then seems to work fine and maintain at that temp. Any other ideas? If not got it booked in for Tuesday so will see what they local indi says! Thanks  

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