Volkswagen Polo Service & Repair Manual: Refrigerant R134a

Refrigerant R134a Vapor Pressure Table

The vapor pressure table for every refrigerant is published in literature for refrigeration system engineers. This table makes it possible to determine the vapor pres ...

Refrigerant R134a Physical Data

Vehicle air conditioning systems make use of the vaporization and condensation process. In this case, one works with a substance which boils easily, designated as ref ...

Other materials:

Special Tools
Special tools and workshop equipment required Suction Feed Spray Gun -VAG1538- Stone Chip Tester -VAS5102A- Paint Thickness Test -VAS5278- Paint Thickness T ...

AGM Battery, Checking
Perform Battery Checks in the Following Sequence: 1.  Visual inspection. Refer to → Chapter „Visual Inspection“. 2.  Check the battery using the Battery Tester -VAS6161-. Refer to ...

Checking the coolant level and refilling coolant
Fig. 139 In the engine compartment: mark on the coolant expansion tank Fig. 140 In the engine compartment: coolant expansion tank cap First read and observe the introductory information and safety warningsThe warning lamp for the engine coolant will light up if the engine coolant level i ...