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

Checking with Expansion Valve and Receiver/Dryer, with Internally Regulated A/C Compressor

  Note Connecting service station. Refer to → Chapter „Connecting Service Station“. Observe test requirements ...

Test Requirements

Radiator and condenser are clean (clean if necessary). The ribbed belt for the A/C compressor and alternator tensioned correctly. ...

Other materials:

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 ...

Checklist
The following actions must always be carried out in the given order in preparation for changing the wheel : In the event of a flat tyre, park your vehicle on a firm and level surface at a safe distance from the flow of traffic. Apply the handbrake firmly Braking, stopping an ...

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 ...