Volkswagen Golf Service & Repair Manual: Characteristics of refrigerant R134a
- Trade names and designations
- Vapour pressure
- Effects on metal
- Water content
- Charge factor
- Detecting leaks
Refrigerant R134a
Air conditioners in vehicles use the evaporation and
condensation process. The system contains a liquid with a low
boiling point, called the refrigerant.
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Trade names and designations
Refrigerant R134a is currently available under the following
trade designations:
H-FKW 134a
SUVA 134a
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Other materials:
Mounting tyre, run-flat tyres, ultra-high performance tyres
Only trained personnel may perform any assembly work on
run-flat tyres and ultra-high-performance tyres.
If fitted, check tyre pressure sensor using vehicle
diagnostic tester, and renew it as necessary.
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Notes on tow-starting
First read and observe the introductory information
and safety warningsVehicles should not be tow-started wherever possible.
Use jump leads to start the engine instead .
For technical reasons, the following vehicles cannot be tow-started:
Vehicles with an automatic gearbox.
Vehicle ...
Assembly tools for single wire seals
The assembly tools serve as a means of sliding the single
wire seals fully into the contact housing without damage and
thereby assure complete sealing between single wire and contact
housing.
Four assembly tools for single wire seals are ...