Volkswagen Polo Service & Repair Manual: Test Requirements
| Radiator and condenser are clean (clean if necessary). |
| The ribbed belt for the A/C compressor and alternator
tensioned correctly. |
| All air ducts, covers and seals are OK and installed
correctly. |
| The doors reach their end position. |
| Evaporator and heater not drawing in secondary air (at
maximum fresh-air blower speed). |
| With engine running and A/C system set to maximum cooling
output, pay attention to the following points: |
| The fresh air blower is running. |
| The coolant fan must be running or it must be switched on. |
| The recirculation/fresh air door must be in the
“recirculation” position. |
| Ambient temperature is greater than 15
0C. |
| The A/C Evaporator Temperature Switch -E33- is installed
correctly and its switch temperatures are correct. |
|
|
|
–
Turn off the ignition.
–
Connect pressure gauge battery (A/C service station).
–
Take pr ...
Other materials:
Anti-theft alarm
First read and observe the introductory information
and safety warnings
Depending on the vehicle equipment level, the vehicle may have an anti-theft
alarm and a SAFELOCK mechanism .
The anti-theft alarm makes it more difficult to break into the vehicle or steal
it.
The anti-theft alarm is ...
Important Information when Working with the A/C Service Station
Caution
If it is suspected that chemicals were added to the
refrigerant circuit to seal leaks, do not connect the
A/C service station and do not extract the refrigerant.
...
Pressure Gauge, Tests and Measurements
Indicators on pressure gauge
1 -
Temperature scale for refrigerant R134a CF3–CH2F or
CH2F–CF3.
2 -
Pressure scale
The pressure gauge may have one or more temperature s ...
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