Volkswagen Golf / Golf GTI / Jetta. Manual — part 61

Use

coolant
pump
wrench
VAG
1590 to
loosen
and
tighten

Page 19-
26

,

Removing
and
installing
coolant
pump

22 - 25 Nm

Cooling system components, servicing

19-10

23 - Expansion

tank

Perform

leak test on
cooling
system
with
cooling
system
tester VAG
1274 and
adapter
VAG1274/8

Test

pressure:
1.4...1.6
bar

Observe

markings

Page

19-15

,

Draining
and filling
cooling
system

24 - Seal

Replace

if
damaged

25 - Sealing

cap

Check

with
cooling
system
tester
VAG
1274 and
adapter
VAG
1274/9

Pressure

relief
valve
must

Cooling system components, servicing

open at a
pressure
of
1.4...1.6
bar

26 - Seal

Replace

27 - Thermostat

housing

Disassembling

and
assembling

Page 19-13

Cooling system components, servicing

19-11

Coolant hose
connection
diagram

1

-

Transmission
oil cooler

Only models

with an
automatic
transmission

2 - Thermostat

housing

3 - Cable

guide

For

coolant
hoses
and
wiring
harness

4 - Upper

coolant
hose

5 - Lower

coolant
hose

6 - Radiator

7 - After-Run

Coolant
pump -
V51-

8 - Oil cooler

9 - Cylinder

block

Cooling system components, servicing