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  1. #1
    2nd Gear

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    Heated (blow) winscreen fault

    Hello all, I jumped into my car tonight after a run and instintly steamed up the windscreen. When i pressed the Heated windscreen button the fans went from low to full speed, but the air only came out of the far right and far left forward facing adjustable vents. I tried setting the air to go up to the screen by the up arrow setting but again air only came out of the front 2 outer vents. I guess some air should come out of these two demist the front windows but 100% ofthe air passed through them.

    At no point while trying all of the settings on the Climate Control has any air come out of the large vent at the back of the dash or the two vents at the far sides ontop of the dash (the non adjustable ones).

    Has any one experianced this? Is there eany help guides on the web?

    Thank you
    Toby
    Black 2005/56 A3 170 tdi S-line Quattro
    Silver 2003/03 A4 2.5 TDI convertible
    Land rover discovery V8, 2" + lift, 2" + tyres , sliders winch very muddy

    Previous cars
    2002 A4 130 tdi sport, black, painted bumpers and 18" wheels stunning looking car.
    Vectra 2.5 gsi saloon, dark blue - Tin can rocket ship.
    Alfa Spider 2.0 Lusso
    BMW E46 323 convertible
    Saxo vts - embarrassed a police T5 on the A9
    Silver Renault laguna estate. Gone and thank god!

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  3. #2
    quattrojames's Avatar
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    It's the motor that adjust the position of the demist flap.

    £90 or so for a new one, there's a thread recently where someone stripped their's down and regreased it, but I can't find it off hand.

    HELP! windscreen demister
    Ingolstance Read about my A6 HERE.

  4. #3
    2nd Gear

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    thanks for the link!!! strange i have the exact same car as the guy who asked the question! a 2003 a4 2.5tdi Quattro.
    Black 2005/56 A3 170 tdi S-line Quattro
    Silver 2003/03 A4 2.5 TDI convertible
    Land rover discovery V8, 2" + lift, 2" + tyres , sliders winch very muddy

    Previous cars
    2002 A4 130 tdi sport, black, painted bumpers and 18" wheels stunning looking car.
    Vectra 2.5 gsi saloon, dark blue - Tin can rocket ship.
    Alfa Spider 2.0 Lusso
    BMW E46 323 convertible
    Saxo vts - embarrassed a police T5 on the A9
    Silver Renault laguna estate. Gone and thank god!

  5. #4
    3rd Gear

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    It's a common problem on all A4's, it can be anything from a stuck linkage, to the motor, to the climate control unit.....

    I should know I've had all 3 happen to me.....
    03MY 52 reg 1.9 TDi 130PS Quattro Sport Avant - 170bhp remap, RNS-E+OEM bluetooth, B7 wiper arms/blades, 4300K HID+nightbreakers/LED sidelights, rear tints, new lights all round, new front/rear screens, frt armrest, s-line kit, cruise/DIS, B7 gearknob/aluminium trims, parking sensors, black grilles, RS4 RARB, S4 front end, black 18" RS6 alloys

    Still waiting..... S4 rear bumper, exhaust tips, coilovers, leather recaro's.... phew...

 

 

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