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:

Coolant Fan Control Module -J293
Note There are different construction styles. This control module switches on and off the A/C clutch and therefore the A/C compressor. It switches the coolant fan and calculates the pressu ...

Special Tools
Special tools and workshop equipment required Torque Wrench 1331 5-50Nm -VAG1331- Crimping Pliers, Complete -VAS1978/1A- ...

Aquaplus System (Pearl Effect and Heliochrome)
Definition: Water-Based Pearl Effect Base Paint -LPW 040 ...- Water-Based Heliochrome Base Paint -LHW 046 ...- Water-Based Pearl Effect Mixed Paint -LWM 076 ...- Editio ...