VW Touran manuals

Volkswagen Touran Service Manual: Pressure Relief Valve

Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the system.
Only use tools and materials approved by the manufacturer.
The warranty is voided if non-approved tools or materials are used.
All components of the refrigerant circuit submitted for quality observation are always to be sealed (use original sealing caps of original part).
Replace damaged or leaking components of refrigerant circuit. Refer to → Chapter "Components, Replacing".
To date, the original parts (compressor, reservoir, receiver/dryer, evaporator and condenser) have been filled with nitrogen gas. This charge is being gradually discontinued. There is little or no pressure equalization when removing the sealing plugs from the original part.
The pressure relief valve is installed on the A/C compressor or receiver/dryer.
At a pressure of approximately 38 bar (551 psi) positive pressure, valve opens and closes again once pressure has dissipated (approximately 30 bar (435 psi)).
Refrigerant does not escape completely.
Depending on the version, a transparent plastic disc may be installed which breaks off as soon as the valve is activated.
  Pressure Relief Valve
Refrigerant Circuit Pipes and Hoses
  Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the sys ...

Refrigerant Circuit Design
Refrigerant Circuit with Expansion Valve and Evaporator 1 -  Evaporator 2 -  Expansion Valve 3 - ...

Other materials:

Infrared Dryer -VAS6878
Definition: Infrared Dryer -VAS6878- Product Description: The infrared dryer is used to dry paste, filler, base paint, top coats and clear coats on vertical and horizontal surfaces. ...

Overview of the driver door
Fig. 4 Overview of the controls in the driver door (left-hand drive vehicles). The controls are mirrored for right-hand drive vehicles Key for  : Warning lamp for anti-theft alarm or deadlock mechanism Door release lever Central locking button for locking and unlocking the vehi ...

To ensure your own safety and the safety of your passengers, observe the following points in the order given  : 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 handbr ...

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