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:
CAN Bus Wires, Repairing
Unshielded two-strand wiring -1-
and -2- with a cross section of
0.35 mm2 or 0.5 mm2
can be used as CAN bus wiring.
The color coding of CAN bus wires can be found in the
following table:
...
Tire Wear, Center
This wear pattern is found on drive wheels on high-powered
vehicles that often drive long stretches at high speed.
At high speeds, the centrifugal force increases the tire
diameter at the center of the tread more than at the shoulders
of ...
Checklist
To ensure your own safety and that of your passengers, observe
the following actions in the specified order :
Find a firm and level surface
suitable for lifting the vehicle.
Stop the engine, select a gear on a
manual gearbox or in case of automatic gearbox, move the selector lever ...
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