VW Polo manuals

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.
The engine is warm.
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.
   
Checking with Expansion Valve and Receiver/Dryer, without Regulated A/C Compressor
...

Checking
–  Turn off the ignition. –  Connect pressure gauge battery (A/C service station). –  Take pr ...

Other materials:

Current Draw Test
  WARNING Batteries that have a light yellow visual indicator do not have to be tested or charged. Jump starting must not be used! There is a risk of explosion during testing, ...

Contact Housings, Repairing Wire Terminals
  Note     For technical reasons, the contact housing for the wire terminals can be supplied only with the contacts pushed in. These contacts can be removed at every other contact housing ...

Primary Lock
The primary lock is the locking mechanism of an individual crimp contact in the contact housing. If necessary, housing securing mechanisms (secondary locks) must be released or removed using specified tool before releasing the contacts. ...

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