Volkswagen Golf Mk7 Service & Repair Manual: Smells from heater and air conditioner unit
This section covers diagnosing and eliminating cabin odours on the Volkswagen Golf Mk7: identifying whether the smell comes from the evaporator or heat exchanger, and the two cleaning methods available.
- Is the smell coming from evaporator or the heat exchanger?
- Ultrasonic air conditioner cleaning unit -VAS 6189A
- Spraying the evaporator with the suction feed spray-gun -V.A.G 1538- and spray lance
Questions & answers
Smells from heater and air conditioner unit — Volkswagen Golf Mk7
What causes bad smells from the Golf Mk7 AC/heater?
The evaporator or heat exchanger can harbour bacteria and mould. Identify the source (fishy smell = coolant leak; musty smell = evaporator bacteria).
