Volkswagen Golf / Golf GTI / Jetta. Manual — part 974

87-106

Test results, evaluating

Duty

cycle

Possible cause

Corrective action

20-25%

-G65 OK

90%

-G65 faulty

- Replace -G65 (refrigerant circuit does not need
to be emptied)

5%

Refrigerant circuit

empty

-G65 faulty

- Recharge refrigerant circuit

Page 87-129

- Replace -G65 (refrigerant circuit does not need
to be emptied)

Note:

If a malfunction cannot be located, check

DTC memory of Engine Control Module
(ECM) and the Transmission Control Module
(TCM) using VAG 1551/1552 Scan Tool

Repair Group 01. When doing so, note that
DTCs related to high pressure sensor -G65-
functions may be called-out as "A/C pressure
switch -F129".

A/C refrigerant system, servicing

13/2/2005

87-107

Expansion valve,
removing/assembly

Notes:

Before carrying out

any work on the
A/C refrigerant
system, refer to A/C
refrigerant system
safety measures

Page 87-69

.

Except where

indicated with *, all
components
illustrated must only
be serviced or
replaced after
discharging
refrigerant system.
Use Kent Moore
ACR4 or
equivalent.

O-rings used on R

134a systems may
be red, green, violet
or black.

Always plug open

refrigerant line
connections to
prevent dirt and
moisture
contamination.

A/C refrigerant system, servicing

13/2/2005

87-108

Assembly

1 - Threaded

plate

2 - O-ring

Always

replace

10.8

mm;
1.8
mm

3 - Insulator*

4 - Bolt

8 Nm

(71 in.
lb)

Qty.:

2

5 - O-Ring

Always

replace

7.6

mm;
1.8
mm

6 - Bolt

8 Nm

(71 in.
lb)

7

-

Refrigerant
line

From

receiver
drier to
expansion
valve

A/C refrigerant system, servicing

13/2/2005

87-109

8 - Refrigerant

hose

From

expansion
valve to
compressor

With

damper

9 - O-ring

Always

replace

16.7

mm; 1.8
mm

10 - Expansion

valve

Located in

right side of
engine
compartment

Removing

Page

87-110

Hole for

refrigerant
lines at
bulkhead
must be
must be
sealed
against
splash
water

11 - O-ring

Always

replace

14 mm;

1.8 mm

A/C refrigerant system, servicing

13/2/2005