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:

Heel and Toe Wear
Heel-and-toe wear is step-like wear of individual tread blocks, due to which an increased rolling noise can develop. The heel-and-toe wear is caused by the uneven distortion of the tread blocks in the contact patch. Heel-and-toe wear appears in more extr ...

Possible Concerns
  Note The A/C system is functioning correctly when the air flowing from the instrument panel vents has a temperature of 70C or lower. Setting on Climatronic “LO”. Setting on A/C system ...

Checklist
Always carry out the following actions for changing a bulb in the given order : Park the vehicle on a firm and level surface at a safe distance from the flow of traffic. Apply the handbrake firmly Braking, stopping and parking Brakes Parking . Turn the light switch to positi ...