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. |
|
|
|
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Turn off the ignition.
–
Connect pressure gauge battery (A/C service station).
–
Take pr ...
Other materials:
Wear Spots
A wear spot is a flat spot on the tread of the tires that
can be caused by extreme braking maneuvers on subsurface such as
asphalt.
At the same time a tire during the braking maneuver is
rubbed at selective points which ...
Run-Flat Tire, Overview of a PAX Tire
PAX tires involve specially developed system that exhibits
the following differences in comparison to conventional tires:
Pax Tires with Supporting Ring
–
-I- PAX tires with air
...
A/C Service Station, Connecting for Measuring and Testing
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.
...
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