Volkswagen Golf / Golf GTI / Jetta. Manual — part 977

Page

80-9

, Fig.

5

- Remove and

clamp off
coolant
hoses to
heater core
in engine
compartment
at bulkhead.

- Seal off

heater
core
inlet/outlet
to prevent
coolant
from
running
out.

- Locate and

remove
fasteners for
heating and
A/C unit in
engine
compartment
at bulkhead.

- Remove

heating
and A/C
unit.

A/C refrigerant system, servicing

13/2/2005

87-117

Fig. 1

Evaporator seal,
installing

- Glue foam seal -B- around

circumference of evaporator -A-.

- To allow evaporator water to

drain, do not attach foam seal on
evaporator in area -C-.

Fig. 2

Evaporator inlet/outlet
seal, installing

- Insert seal -A- for refrigerant lines

-C- in between housing halves -B-
.

A/C refrigerant system, servicing

13/2/2005

87-118

A/C
refrigerant
system
pressures
and
temperatures,
checking

The pressures
and
temperatures in
the A/C system
will vary
depending on
engine speed
(RPM), coolant
fan speed,
engine coolant
temperature,
A/C clutch
engagement,
outside
temperature,
humidity, etc.

Pressure and
temperature
specifications
are based on
the following:

Pressure and
temperature
specifications

Page 87-120

.

Engine

speed
(RPM) at
1500

Fresh air

blower on
high speed

A/C adjusted

to Max.
cooling

A/C refrigerant system, servicing

13/2/2005

1 - Evaporator

2 - Low

pressure
service
valve

3

-

Compressor,
low pressure
side

4

-

Compressor,
high
pressure
side

5 - Condenser

A/C refrigerant system, servicing

13/2/2005