Volkswagen Polo Service & Repair Manual: Test Requirements
Note
Check cooling performance. The A/C system is functioning
correctly when the air flowing from the instrument panel vents
has a temperature of 70C or lower. |
Setting on Climatronic “LO”. |
Setting on A/C system “AC” on; “max”; “cold”. |
Connections with valve and service connections for measuring
and checking. |
Radiator and condenser are clean (clean if necessary). |
Thermal insulation at expansion valve OK and properly
installed. Refer to
→ Rep. Gr.87 for the vehicle-specific repair manual. |
Ribbed belt is OK and properly tensioned. Ribbed belt for
A/C compressor and generator are OK and correctly tensioned.
Refer to
→ Rep. Gr.87 for the vehicle-specific repair manual. |
All air ducts, covers and seals OK and properly installed. |
Fault finding on the electrical equipment and vacuum system
found no malfunction. Refer to
→ Rep. Gr.87 for the vehicle-specific repair manual. |
The A/C system OBD cannot find malfunctions with the Vehicle
Diagnostic Tester in “Guided Fault Finding”. The measured value
block does not show any shut-off condition from the A/C
compressor (only on vehicles with “A/C system” OBD). |
Air flow through dust and pollen filter not obstructed by
dirt. Refer to
→ Rep. Gr.87 for the vehicle-specific repair manual. |
The heater and A/C unit does not draw in any secondary air
at the highest fresh air blower speed. Evaporator and heater not
drawing in secondary air at maximum fresh-air blower speed.
Refer to
→ Rep. Gr.87 for the vehicle-specific repair manual. |
The air flaps in the heater and A/C unit reach their end
position. Refer to
→ Rep. Gr.87 for the vehicle-specific repair manual. |
Fresh-air intake ducts beneath hood and in passenger
compartment as well as corresponding water drain valves OK, see
vehicle specific Repair Manual. Refer to
→ Rep. Gr.87. |
Vehicle is not exposed to direct sunlight. |
Ambient temperature greater than 15 °C (60 °F). |
All instrument panel vents are open. |
With engine running and maximum cooling output set on air
conditioning system: |
Maximum cooling output, setting |
Setting on Front A/C Display Control Head -E87-. |
– |
Preselect “Auto” mode (A/C compressor on). |
– |
Set the temperature preset “LO” for the driver and front
passenger sides. |
Setting on heater controls: |
– |
A/C button and Rec- or recirculated air button pressed. |
– |
Temperature dial in the “Cold” position. |
– |
Fresh-air blower dial in “4” position. |
The Coolant Fan -V7- runs (the fans run) (at least in level
1).* |
Note
For some versions, the fan is switched on only once the
pressure in refrigerant circuit has exceeded a specified value. |
The Fresh Air Blower -V2- runs at maximum speed. |
Recirculated/fresh-air door set to “air recirculation mode”
(within 1 min. after starting vehicle, air-flow door is closed
and recirculated air door opened).* |
Is the coolant shut-off valve closed?* |
Are the valves on the pump valve unit closed and the coolant
circulation pump is not pumping? * |
|
Note
Check cooling performance. The A/C system is functioning
correctly when the air flowing from the instrument panel vents
has a temperature of ...
Other materials:
Matting Component -ALN 775 106
Definition:
Matting Component -ALN 775 106-
Edition 04/2013
Product Description
With the two-part HS top coat, the Matting Component -ALN
775 106- produce a matted top coat c ...
A/C System and Refrigerant R134a Safety Precautions
A/C Service Station -VAS6007A- (and further or current A/C
Service Station)
Refer to the Workshop Equipment Catalog.
WARNING
It is recommended to have an eye-flushing bot ...
Customer Service Paint Paint Structure
Galvanized Sheet Metal on Both Sides
Previous attempts to match flanges have led to the use of
only galvanized sheet metal on both sides. Only here do the
cathodic protection and the zinc coating barrier effect work
optimally together. T ...
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