Question about 2003 Audi A4

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Climate control wont blow on windscreen and blows warm air at 18 degrees and upwards

You can hear fan working but it doesn't open the 3 vents that go up to the windscreen, instead it shuts off the central face vents and just blows out of the side face vents, also the air is cold on low but one click up and the air is almost hot

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Posted on Jan 02, 2017

j_del
  • 1586 Answers

SOURCE: heating and climate control unit vreg 1999 auto a4

Can you rephrase this? It's hard to follow exactly what you mean.

Posted on Jul 21, 2008

  • 651 Answers

SOURCE: 96 audi a4 blowing cold air

yes, very possible. but first check your fluid level, thermostat.

Posted on Dec 06, 2008

  • 571 Answers

SOURCE: heter blows cold air when engine is hot

The thermostat is faulty. Change the thermostat.

Posted on Dec 15, 2009

  • 85 Answers

SOURCE: 2001 audi a4 1.8 turbo wont blow hot air , blows

Sounds like something is wrong with your climate control

Posted on Nov 19, 2010

ZJLimited
  • 17970 Answers

SOURCE: 1998 a4 avant. blows cold

Have you tried flushing the heater core? Check and re-check radiator for any partial clogged, also check thermostat.

Flush the heater core really good, then refill coolant and make sure you get all the air out. Drain the coolant, disconnect the 2 hoses on the firewall and flush in both directions with a garden hose. It would be nice to put a spare piece of hose on each connection to make it easier and not make a mess of the engine bay, but whatever you have to do.

I do not believe there is a water valve of any kind for the heater core. This document has some directions on draining and filling the coolant and bleeding the air out: A4-S4_B5/Engine/19-1 Cooling system components.

Hope helsp. Keep us updated.

Posted on Jan 03, 2011

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