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  1. 2nd February 2012 #1
    mattyboy199
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    S3 Interior heater

    Need some help guys, pretty sure the heater hasnt been working for a while. When the engine is cold it doesnt blow warm / hot air. Which i m sure it used to do. Even when its on say 25degrees with a warm engine its not overly hot. Whats the possible cause ?

    thanks

    matt
    Dolphin Grey 2002 S3 (BAM)-SymII phatnoise BOSE-alloy mirrors/aerial/door pins-TT pedals-Full aero wipers-chrome indicator bulbs-privacy glass-Forge DV-Samco TIP-BMC panel filter-stage 2 Jabba remap-R32 arb's-super pro/powerflex bushes all round

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  2. 2nd February 2012 # ADS
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  3. 3rd February 2012 #2
    gsmboy
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    Have you VAGCOM the fault?
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  4. 3rd February 2012 #3
    Westy
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    Quote Originally Posted by mattyboy199 View Post
    Need some help guys, pretty sure the heater hasnt been working for a while. When the engine is cold it doesnt blow warm / hot air. Which i m sure it used to do. Even when its on say 25degrees with a warm engine its not overly hot. Whats the possible cause ?

    thanks

    matt
    Possible problem is an air lock. Also have you checked your coolant fluid level recently?

    To flush out any air you want to get your car up to temp (90 degrees on the dash gauge) then slowly open the coolant header tank. Whack the heating/climate control up to max and put blowers on max too. Any air will bubble out of the tank.

    You can also check the lower coolant hose to see if it feels cold.
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  5. 3rd February 2012 #4
    mattyboy199
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    Its been like this for a few years. I assume the heater blower has a heating element as well as takes heat from the engine bay ? If i cold start my car with an icy screen should i expect warm air from the blower ?
    Dolphin Grey 2002 S3 (BAM)-SymII phatnoise BOSE-alloy mirrors/aerial/door pins-TT pedals-Full aero wipers-chrome indicator bulbs-privacy glass-Forge DV-Samco TIP-BMC panel filter-stage 2 Jabba remap-R32 arb's-super pro/powerflex bushes all round

    Wanted for above:
    Rear bumper grey panel insert
    Brand new drivers side headlight
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  6. 3rd February 2012 #5
    Westy
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    Quote Originally Posted by mattyboy199 View Post
    Its been like this for a few years. I assume the heater blower has a heating element as well as takes heat from the engine bay ? If i cold start my car with an icy screen should i expect warm air from the blower ?
    You wont get warm air until the car's engine has warmed up and the gauge on the dash starts to move.

    The heater matrix is basically just a small radiator that fills with water/coolant and the blower fan blows across this matrix and through the air vents.
    FOR SALE
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    - 1.8T cams
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  7. 3rd February 2012 #6
    mattyboy199
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    maybe its fine then
    Dolphin Grey 2002 S3 (BAM)-SymII phatnoise BOSE-alloy mirrors/aerial/door pins-TT pedals-Full aero wipers-chrome indicator bulbs-privacy glass-Forge DV-Samco TIP-BMC panel filter-stage 2 Jabba remap-R32 arb's-super pro/powerflex bushes all round

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    Rear bumper grey panel insert
    Brand new drivers side headlight
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  8. 3rd February 2012 #7
    Welly
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    Quote Originally Posted by mattyboy199 View Post
    maybe its fine then
    Sounds like it to me mate
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  9. 3rd February 2012 #8
    ScottB5
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    Quote Originally Posted by mattyboy199 View Post
    Need some help guys, pretty sure the heater hasnt been working for a while. When the engine is cold it doesnt blow warm / hot air. Which i m sure it used to do. Even when its on say 25degrees with a warm engine its not overly hot. Whats the possible cause ?

    thanks

    matt
    Thats normal. Don't worry about that.
    I don't think they came with auxiliary heaters.
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