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Heater matrix - no hot air!!!

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by RickT, Feb 16, 2007.

  1. RickT
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    RickT Member

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    [Feb 16, 2007]
    Heater matrix - no hot air!!!
    Guys,

    I have got no hot air...... i have been away for a week, got into the car and all appeared fine.... as i have been out in -30'c conditions, i wacked the aircon on "LO" as i was red hot!! anyway... when changing it back to 18 upto 28 its cold... the air con turns off but only a tindy bit of heat... checked the simple stuff.. ie coolent...

    Going to get my laptop out and check VAGH-COM... however i think tjhe heater matrix has gone...

    Do any one know how to fit one on a A4 - B6??

    Cheers

    RicKT
    #1
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  3. RickT
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    RickT Member

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    [Feb 16, 2007]
    or does anyone know how to test it via VAG-COM??

    Cheers
    #2
  4. Turkster
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    Turkster Bro.Paul 2.5TDI Quattro Sport

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    [Nov 25, 2014]
    #3
  5. desertstorm
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    desertstorm Well-Known Member

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    [Nov 25, 2014]
    You can't check the heater matrix with VAG-COM, If you are loosing coolant then it could be the matrix leaking you usually notice the smell in the car though assuming you have coolant in there as well as water.
    #4
  6. john777w
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    john777w Member

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    [Nov 25, 2014]
    The heater Matrix can't go, it can leak, but rarely gets blocked, more likely that the hot/cold flap motor is not working. If you are loosing coolant, then you may have a matrix leak, is there anything wet inside the car?
    #5

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