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  1. #1
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    Heater blows cold

    Hi guys. turned the temp up on my climate control tonight and it only blows cold/warm, even on 25 deg its not hot.
    Air con is ice cold, but something certainly not right with the heat side of things.
    Any ideas??

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  3. #2
    audigex's Avatar
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    How's your coolant level? Was your engine up to temperature?

  4. #3
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    Quote Originally Posted by audigex View Post
    How's your coolant level? Was your engine up to temperature?
    Yes. Been driving around a hour, and coolant fine

  5. #4
    Boydie's Avatar
    Boycie

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    Check your fuses

    Thermostat??

  6. #5
    quattro81's Avatar
    All the gear.. No idea

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    If you have vcds it's worth a plug in... Could be the motorised flap that switches from hot to cold.. Had this recently in mrs golf...
    Red is the colour..

  7. #6
    salad.dodger's Avatar
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    mine did this, thermostat getting stuck but my temp gauge went up.

  8. #7
    Chappy's Avatar
    Call me Dan :)

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    I had the same problem last night, although it did eventually start blowing warm air after having it set on HI for a while, I shall monitor it and get it back to Audi if needed.
    AudiA3 2.0TDI S-Line

    Phantom Black | Leather Seats | Heated Seats | Black Optics | AMI | Badges Deletion | Rear Sunblind | Armrest | Darkened Glass | S3 Chrome Grill | H+R 10mm Spacers up Front | H+R 13mm Spacer at Rear | Mtec Cosmos Blue Bulbs | Cared for Paint Work |



  9. #8
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    Thanks guys. Temp gauge is reading normal, think i'll start with the thermostat then move on from there if no joy

  10. #9
    shady-ninja's Avatar
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    if you change the thermostat and the problem persists the it might br the HEATER EXCHANGE MATRIX.

  11. #10
    audicruiser's Avatar
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    Quote Originally Posted by mark7 View Post
    Thanks guys. Temp gauge is reading normal, think i'll start with the thermostat then move on from there if no joy
    Sound like a thermostat to me...
    Scott

    Audi A3 Sportback 2.0T Quattro S-Line 2007 8P2
    Lava Grey, Exclusive Line Black/Silver Leather, Heated Seats, Bose, RNS-e, iPod, Auto Lights & Wipers, Interior Light Pack

  12. #11
    Khufu's Avatar
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    even if its the thermostat jamming open it would eventually heat up. Is it a diesel? mileage? My worst fears concern would be cylinder head gasket being away causing back pressure that stops the circulation of coolant but as gauge is reading fine it could be blocked matrix (feel the pipes in & out of the bulkhead) or a fault with the control panel/flaps as suggested above.
    2003-2008 1998 Red A3 8L 1.8 Sport
    2008 -> 2003 Akoya Silver A3 8P1 2.0 FSi Sport

 

 

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