Evacuating And Charging Valve With SCHRADER Valve

WARNING: This page is about a different variant/trim than selected.

Special tools and workshop equipment required

Torque Wrench 1783 - 2-10Nm :VAG1783 with Torque Wrench 1783 - 1/4" Drive Ratchet :VAS6234

CAUTION:

Danger or frostbite due to refrigerant coming out under pressure.

Frostbite on the skin and other parts of the body is possible.

- Wear safety gloves.

- Wear protective eyewear.

- Extract refrigerant and open the refrigerant circuit immediately.

- If more than 10 minutes elapse after extracting the refrigerant and the refrigerant circuit was not opened, extract the refrigerant again. Evaporation can cause pressure to develop in the refrigerant circuit.

Only valves and connections that are resistant to refrigerant R134a and refrigerant oil must be installed.
Different connections (outer diameter) for high pressure and low pressure side.
Always screw on sealing caps.

Allocation in vehicle.

Refer to COMPONENT LOCATION OVERVIEW - A/C SYSTEM for the vehicle-specific Service Information.

Fig 1: Exploded View Of Connections With Schrader Valve

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

NOTE:

Torque Wrench 1783 - 2-10Nm :VAG1783 with Torque Wrench 1783 - 1/4" Drive Ratchet :VAS6234

Use a suitable Refrigerant Sockets :T10364 to loosen the Schrader valve insert. Refer to Figure

A - Service connection (soldered in)

B - Schrader valve insert (2.4 ± 0.2 Nm)

C - O-ring (belongs to the valve)

D - Sealing cap with seal