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:
A/C System Operation
The temperature in the passenger compartment depends on the
amount of heat radiated through the windows and conducted by the
metal parts of the body. In hot weather it is possible to
achieve a more comfortable temperature for the passengers by
pumping of ...
Introduction
This chapter contains information on the following subjects:
→ Stowage compartments in the front doors
→ Stowage compartments in the front centre console
→ Stowage compartment in the front centre armrest
→ Stowage compartment on the front passenger side
&nbs ...
Washing the vehicle
First read and observe the introductory information
and safety warningsThe longer substances such as insects, bird droppings,
resinous tree sap, road dirt, industrial deposits, tar, soot or road salt and other
corrosive materials remain on the vehicle, the more damage they do to the paintwork. ...
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Ultrasound A/C Cleaner -VAS6189B