Volkswagen Polo Service & Repair Manual: Refrigerant Circuit Design
- Refrigerant Circuit with Expansion Valve and Evaporator
- Refrigerant Circuit with Restrictor and Reservoir
Pressure Relief Valve
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
sys ...
Refrigerant Circuit with Expansion Valve and Evaporator
1 -
Evaporator
2 -
Expansion Valve
3 -
Valve for extracting, filling and measuring
...
Other materials:
Introduction
This chapter contains information on the following subjects:
→ Running-in
→ Accessories and parts
→ Service fluids and consumables
→ Repairs and technical modifications
→ Repairs and faults in the airbag system
→ Retrofitting two-way radios ...
Charge Factor
A vessel must have space for vapor as well as liquid. As the
temperature rises, the liquid expands. The space filled with
vapor decreases. At a certain point, there will only be liquid
in the vessel. Beyond this, even a slight increase in
temperature cau ...
Coolant specification
First read and observe the introductory information
and safety warningsThe cooling system is filled at the factory with a mixture
of specially prepared water and at least 40% coolant additive G 13
(TL-VW 774 J). The coolant additive is dyed purple. This mixture of water and coolant
additive ...
