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:
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 ...
Rolling Resistance Tires
Tire deformation when rolling causes the vehicle to loose
energy that makes the rolling resistance noticeable.
Deformation is significantly lowered on rolling resistance
tires due to new construction and low-wear surface mixtures.
...
Refrigerant in A/C Service station Container, Filling
Caution
If it is suspected that chemicals were added to the
refrigerant circuit to seal leaks, do not connect the
A/C service station and do not extract the refrigerant.
...
