Volkswagen Polo Service & Repair Manual: A/C System, General Information
- Introduction
- Additional Information Sources
- A/C Technology Basic Principles
- Refrigerant R134a Vapor Pressure Table
- Refrigerant R134a
- Refrigerant R134a Characteristics
- Refrigerant Oil
- Comfort
- A/C System Operation
- Safety Precautions
- A/C System and Refrigerant R134a Safety Precautions
- Refrigerant Circuit, General Precautions
Introduction
The purpose of this Repair Manual is to provide foremen and
mechanics with the basic knowledge needed to ensure expert
working.
Note
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Other materials:
Checklist
To ensure your own safety and that of your passengers, observe
the following actions in the specified order :
Stop the vehicle at a safe distance
away from moving traffic and on a suitable surface .
Switch on the hazard warning lights
using the button .
Apply the handbrake ...
Checking with Expansion Valve, Receiver/Dryer and A/C Compressor Regulator
Valve -N280-, Externally Regulated A/C Compressor
Specified Values
Note
Connecting service station. Refer to
→ Chapter „Connecting Service Station“.
Observe test requirements. Refer to
→ Chapter „P ...
Diagonal Washouts
Diagonal wear spots on tires
Diagonal wear spots run at an angle of approximately 45°
with respect to the plane of circumference.
They usually occur once, but may also occur several times
along the tire circumference.
...
