Introduction
The purpose of this repair manual is to provide service
advisors and technicians with the basic knowledge needed to
ensure professional and competent procedures.
Note
Only the c
Physical Principles
The four known states of water also apply to air
conditioning system refrigerants.
1 - Gaseous (invisible)
2 - Vapor
3 - Liquid
4 - Solid
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
Tests and Test Requirements
Special tools and workshop equipment
required
Brake Servo Tester -VAS6721-
The following checks will be helpful when performing Fault
Finding in case of complaints regarding the brake booster or the
so-called "hard brake pedal".
The following components are included
1 - Valve body
2 - Valve Insert
3 - Valve cap
1. The Valve Body
The rubber valve for tubeless tires is designed to seal
air-tight in the hole in the rim. The elastic material of the
rubber body presses itself tightly into the hole in the rim.
When valves with threade