System Overview - Refrigerant Circuit, Evaporator System 2

WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Under certain conditions, the desiccant bag/dryer cartridge no longer needs to be replaced each time the refrigerant circuit is opened on A/C systems with refrigerant R1234yf. Refer to REFRIGERANT CIRCUIT .

Under certain conditions, the dryer bag no longer needs to be replaced each time the refrigerant circuit is opened on A/C systems with refrigerant R134a. Refer to WORKING ON REFRIGERANT CIRCUIT .

Fig 1: Identifying Refrigerant Recycling/Recovery Unit Kent-Moore ACR4 Components

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Refrigerant Line
- High pressure side
- Below rear left wheel housing liner
O-ring
- Always replace
- 9.5 mm; 2.5 mm
O-ring
- Always replace
- 13.7 mm; 2.5 mm
Cylindrical Combi-Screw M8x28
- 12 Nm ± 1 Nm
- Quantity: 2
Refrigerant Line
- Low pressure side
- Below rear left wheel housing liner
Cylindrical Combi-Screw M6x35
- 3.5 Nm ± 0.5 Nm
Cylindrical Combi-Screw M6x35
- 3.5 Nm ± 0.5 Nm
Cylindrical Combi-Screw M6x70
- 3.5 Nm ± 0.5 Nm
Cylindrical Combi-Screw M6x70
- 3.5 Nm ± 0.5 Nm
O-ring
- Always replace
- 13.7 mm; 2.5 mm
O-ring
- Always replace
- 9.5 mm; 2.5 mm
Refrigerant Line
- Low pressure side
- On the underbody
Refrigerant Line
- High pressure side
- On the underbody
Screw M6 x16
- 8 Nm ± 1.2 Nm
Auxiliary Component Bracket
Screw M6x16
- 8 Nm ± 1.2 Nm
Spacer
Cylindrical Combi-Screw M6x35
- 3.5 Nm ± 0.5 Nm
Cylindrical Combi-Screw M6x35
- 3.5 Nm ± 0.5 Nm
Damper
O-ring
- Always replace
- 9.5 mm; 2.5 mm
Cylindrical Combi-Screw M8x28
- 12 Nm ± 1 Nm
Refrigerant Line
- High pressure side
- Under front left wheel housing liner
O-ring
- Always replace
- 13.7 mm; 2.5 mm
Cylindrical Combi-Screw M8x28
- 12 Nm ± 1 Nm
Refrigerant Line
- Low pressure side
- Under front left wheel housing liner