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:

AGM Battery
Maintenance-Free Battery with Specific Electrolyte without a Visual Indicator Lead-acid battery, where the electrolyte is fixed in an absorbent glass mat (AGM). The battery is closed and equipped with breather valves. ...

Extraction System Group Classifications
At this time, A/C service units for extracting, cleaning and filling refrigerant for motor vehicle A/C systems are available from various manufacturers. Group 3: Mobile extraction and charging systems for filling c ...

Checking
–  Turn off the ignition. –  Connect pressure gauge battery (A/C service station). –  Take pressure gauge readings. There are two possible results A and B.   &nbs ...