Volkswagen Polo Service & Repair Manual: Test Requirements

Volkswagen Polo Service & Repair Manual / Refrrigerant R134a Servicing / Pressures, Checking / Checking with Expansion Valve and Receiver/Dryer, without Regulated A/C Compressor / 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

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Checking

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

Other materials:

Two-Part HS Optimum Clear Coat
Definition: Two-Part HS Optimum Clear Coat -LZK 769 K02 A5- Edition 10/2012 Product Description Two-part HS optimum clear coat is a VOC compliant (VOC value less than 420 g/L ...

SAFELOCK mechanism
First read and observe the introductory information and safety warnings Depending on the vehicle equipment level, the vehicle may have a SAFELOCK mechanism and an anti-theft alarm . Function Action Locking the vehicle and activating the SAFELOCK mechanis ...

Vehicle key
Fig. 18 Vehicle key Fig. 19 Vehicle key with alarm button First read and observe the introductory information and safety warnings Vehicle key The key can be used to lock and unlock the car from a distance . The remote control transmitter and the battery are integrated in the key. The re ...