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Heater takes long to blow hot air

Zuko Jul 30, 2020

  1. Zuko

    Zuko Registered User

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    Good morning I have been experiencing a problem with my audi a3 1.8 8l 2000model. The blower works perfectly fine but it takes more than 40min to blow hot air, how can I resolve this issue. TIA
     
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  3. Seeny

    Seeny Registered User

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    Hey mate, this may be related to the thermostat being stuck open - does the temperature gauge show the engine reaching operating temp? I had the same issue with really poor heater performance before I replaced my thermostat.
     
  4. Zuko

    Zuko Registered User

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    Yes the temp gauge does reach 90° after 30min idling then that's when the heater starts blowing warm air but too hot. I have to run the engine approximately for hour for it to blow hot air
     
  5. col_s3

    col_s3 Registered User

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    100% you need a new thermostat it should be warmed up in about 5 minutes of Driving
     
  6. Alex C

    Alex C Well-Known Member VCDS Map User

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    Is the top radiator hose hot?
     

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