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
...
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 ...
Flushing Not Necessary
Note
For vehicles with an electrically-driven A/C compressor,
de-energize the high voltage system before removing the A/C
compressor. Refer to
→ Electrical System Hybrid; Rep. Gr.93.
–
Dischar ...
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 ...
