Volkswagen Golf / Golf GTI / Jetta. Manual — part 971

87-96

30 - O-ring

Always

replace

14.3

mm;
2.4
mm

31 - Bolt

20

Nm
(15 ft
lb)

32 - O-ring

Always

replace

10.8

mm;
1.8
mm

33

-

Pressure
relief
valve

Checking

Fig. 3

34 - A/C

clutch -
N25-*

Sanden,

servicing:

Page

87-158

.

Zexel,

servicing:

Page

87-166

.

A/C refrigerant system, servicing

13/2/2005

87-97

Note:

Protect all opened components
against contamination of dirt and
moisture with suitable plastic caps.

Fig. 1

Low pressure service
valve, removing

- Discharge refrigerant system

before replacing valve -3-. Only
use Kent Moore ACR4 or
equivalent .

1 - Base with outside thread and
groove for -O-ring

2 - O-ring

Always replace

7,6 mm; 1,8 mm

3 - Service valve

4 - O-ring

Always replace

7,6 mm; 1,8 mm

5 - Cap

A/C refrigerant system, servicing

13/2/2005

87-98

Note:

Protect all opened components
against contamination of dirt and
moisture with suitable plastic caps.

Fig. 2

High pressure service
valve, removing

- Discharge refrigerant system

before replacing valve -3-. Only
use Kent Moore ACR4 or
equivalent.

1 - Base with inside thread

2 - O-ring

Always replace

10,8 mm; 1,8 mm

3 - Service valve with groove and
inside thread for cap.

4 - O-ring

Always replace

10,8 mm; 1,8 mm

5 - Cap

A/C refrigerant system, servicing

13/2/2005

87-99

Fig. 3

Pressure relief valve,
checking

Function: Protects refrigerant

circuit from excessive pressure.

The pressure relief valve shows

whether valve has opened. An
adhesive sticker is pushed out.

A/C refrigerant system, servicing

13/2/2005