Volkswagen Polo Service & Repair Manual: Odor from Evaporator or Heat Exchanger?
| – |
From leak at cooling system of engine or of A/C system
heater core. |
 Note
| If the fishy smell gets weaker when the temperature is set
to “cold” and stronger when it is set to “warm”, then check the
heat exchanger for leaks. |
| Smells like a burned clutch. |
| Evaporation from floor mats, decorative seat covers, etc. |
| – |
Due to various contaminants, such as leaves, pine needles,
etc. collecting. |
Note
| Clean the plenum chamber. |
| – |
Due to water that cannot drain out of the plenum chamber. |
Note
| Check that the plenum chamber water is draining. |
| Odor from the Heater and A/C Unit |
Note
| Odors originating in the heating and A/C unit can mainly be
detected in fresh air mode and recirculated air mode. |
| – |
Due to too much condensation water in A/C unit. |
Note
| Check the condensation water drain. Refer to
→ Rep. Gr.87 in the vehicle-specific Repair Manual. |
| – |
Due to an old or heavily contaminated dust and pollen
filter. |
Note
| Check the dust and pollen filter. Refer to
→ Rep. Gr.80 in the vehicle-specific Repair Manual. |
| – |
Due to deposits on evaporator fins. |
Note
| Clean the evaporator using the Ultrasound A/C Cleaner
-VAS6189A-. Refer to
→ Chapter „Ultrasound A/C Cleaner -VAS6189B-“ or the
Suction Feed Spray Gun -VAG1538- and a suitable spray nozzle.
Refer to
→ Chapter „Evaporator, Cleaning with Suction Feed Spray Gun
-VAG1538- and Spray Nozzle“. |
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The Ultrasonic HVAC Cleaning System -VAS6189A- is placed in
the front passenger footwell and sprays Aero-Clean. Aero-Clean
neutralizes microbes and bacteria inside th ...
Other materials:
Side view
Fig. 1 Overview of the right side of
the vehicle Positions ③, ④, ⑤ and ⑤ are also at the same position on the left
side of the vehicle.
Key for :
Tank flap
Roof aerial
Attachment points for the mounts and
roof carrier
Door release lever
Exterior mirrors
Jacking p ...
Electrically-Driven A/C Compressor for High Voltage System
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
system.
Only use tools and materials approved by the
manufactu ...
Severely Discharged Batteries
WARNING
Risk of injury. Follow all Warnings and Safety
Precautions. Refer to
→ Chapter „Warnings and Safety Precautions“.
For a battery to be indicated as ...
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Ultrasound A/C Cleaner -VAS6189B