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:
Magnetic Clutch High Pressure Switch -F118
Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
Refer to
→ Rep. Gr.87.
...
One-Part Clear Coat
Definition:
One-Part Clear Coat -LLS MAX 010-
Edition 10/2008
Product Description
The One-Part Clear Coat -LLS MAX 010- is a single-compound
product. The raw material base is ...
Vehicle Diagnostic Tester, Connecting, Golf MY 1998 through 2003
Apply the parking brake.
–
In vehicles with automatic transmission, move the selector
lever to the “P” or “N” position.
–
In vehicles with manual transmissions, move the shift l ...
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Pressures, Checking