VW Golf manuals

Volkswagen Golf Service & Repair Manual: Is the smell coming from evaporator or the heat exchanger?

Fishy smell
–  Due to leak in engine's cooling system or in heat exchanger of heater and air conditioner unit.
  Note
If the fishy smell is weaker when the temperature is set to “cold” or stronger when the temperature is set to “warm”, check the heat exchanger for leaks.
Smell of a burnt clutch
Vapours from foot mats, retrospectively installed seat covers etc.
Putrid, mouldy smell
–  Due to accumulation of leaves, pine needles etc. in plenum chamber.
  Note
Clean plenum chamber.
–  Use water so that it cannot flow out of plenum chamber.
  Note
Check water runoff points in plenum chamber.
Smell from heater and air conditioner unit
  Note
Smells that can originate in heater and air conditioner unit can be detected in fresh air mode and in recirculation mode.
–  Due to too much condensation water in heater and air conditioner unit
  Note
Check the runoff points of condensation water → Rep. gr.87 as indicated in the vehicle-specific repair manual.
–  Due to an old or very dirty dust and pollen filter
  Note
Check the dust and pollen filter → Rep. gr.80 as indicated in the vehicle-specific repair manual.
–  Due to deposits on the fins of the evaporator
  Note
Clean the evaporator, using the ultrasonic air conditioner cleaning unit -VAS 6189A- → Chapter or the suction feed spray-gun -V.A.G 1538- and corresponding spray lance → Chapter.
   
Smells from heater and air conditioner unit
...

Ultrasonic air conditioner cleaning unit -VAS 6189A
The ultrasonic air conditioner cleaning unit -VAS 6189A- must be placed in the front-passenger footwell and sprays the agent Aero-Clean. Aero-Clean neutralises microb ...

Other materials:

Charging battery in support mode with battery charger -VAS 5903-
General notes: The support mode provides the onboard supply with power when the battery is removed or disconnected. For further information, refer to the → operating manual VAS 5903. The ...

Removing and installing ignition key withdrawal lock solenoid -N376-
Removing –  Remove lower steering column trim → General body repairs, interior; Rep. gr.68.     –  Release retaining clip -arrow A-, and pull ...

Seam seals, rear body
  Note Seam seals made during repair work must be identical in appearance and thickness to the original seam seals. To avoid damage or faulty operation, brush seam seals smooth near attachments which must be attached. ...

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