Volkswagen Touran Service Manual: Odor from the Heater and A/C Unit
Odor from Evaporator or Heat Exchanger?
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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. |
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Due to various contaminants, such as leaves, pine needles,
etc. collecting. |
 Note
Clean the plenum chamber. |
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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. |
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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. |
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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. |
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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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Ultrasound A/C Cleaner -VAS6189B-
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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 the heater and A/C
unit. |
The unit comes with Operating Instructions. |
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Evaporator, Cleaning with Suction Feed Spray Gun -VAG1538- and Spray
Nozzle
Spray off the evaporator directly with Contra Sept using a
spray nozzle (approximately 10 bar (145 psi)). Contra Sept
neutralizes microbes and bacteria directly on the evaporator. |
To make it possible to access the evaporator, some prework
and different spray nozzles are needed, for example
VAG1538/5;VAG1538/6 orVAG1538/7. |
A vehicle-specific instruction booklet is included with the
evaporator cleaning solution D 600 100 A2 |
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Test Requirements
Note
The A/C system is functioning correctly when the air flowing
from the instrument panel vents has a temperature of 70C
or ...
A/C Service Station, Connecting for Measuring and Testing
Turn off the ignition.
Connect the A/C service station to the power su ...
Other materials:
Volkswagen Touran Owners Manual. Fitting the removable ball coupling
Fig. 106 Overview: removable
ball coupling
Fig. 107 In the rear bumper:
removing the cover of the towing bracket.
First read and observe the introductory information
and safety warnings The removable ball coupling is located
in the vehicle tool kit in the luggage compartment either ...
Volkswagen Touran Service Manual. EU Tire Label, Short Overview
Starting on 11/1/2012, tire manufacturers must comply with the new
EU Regulation (EG) 1222/2009 (Tire Labeling Regulation).
The Tire Labeling Regulation requires that information pertaining to
rolling resistance (fuel efficiency), wet grip and external rolling
noise b ...
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