radiator cap AUDI TT 1996 8N / 1.G AEB ATW Engines Cooling System Components Workshop Manual

19-8


For coolant G 012 A8 D, use T40007 refractometer to test frost protection
in cooling system.
Recommended mixture ratios:
Vehicles with small cap Frost protection to
Anti-freeze amount
G 012 A8
D
1) Water
1)
-25 C
(-13 F)
-35 C
(-13 F)
40 %

50 % 3.0 ltr.
(3.2 qts.)
3.5 ltr.
(3.7 qts.) 4.0 ltr.
(4.2 qts.)
3.5 ltr.
(3.7 qts.)
1) The quantity of coolant: 7.0 liters (7.4 qts.) can vary depending upon
vehicle options.
- Install lower radiator hose and secure.
- Replace O-ring and install coolant pump drain plug.
Tightening torque: 30 Nm (22 ft lb)

- Screw VAG1274/1 adapter onto coolant expansion tank.
- Attach VAG1274/10 special tool to VAG1274/1 adapter.
Pa
ge 9 of 34 Coolin
g system com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.19.1

19-10

- Start engine and maintain an engine speed of
about 2000 RPM for approx. 3 minutes.

- Allow engine to idle until the lower radiator hose
is hot.Check coolant level and top up if
necessary. When engine is at normal operating
temperature, coolant level must be at max.
mark; when engine is cold, between min. and
max. marks.

WARNING!

The cooling system is pressurized when the
engine is warm. When opening the expansion
tank, wear gloves and other appropriate
protection, cover the cap using a cloth, and
open carefully to relieve system pressure
slowly.

- Switch engine off.
Pa
ge 11 of 34 Coolin
g system com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.19.1

19-24

Radiator, removing and installing


Special tools and equipment
VAG1306 drip tray

Removing

- Remove front bumper.

Repair Manual, Body Exterior, Repair Group
63


WARNING!
The cooling system is pressurized when the engine is warm. When
opening the expansion tank, wear gloves and other appropriate
protection, cover the cap using a cloth, and open carefully to relieve
system pressure slowly. - Unbolt cooling pipe for power steering hydraulic oil (arrows).
- Place VAG1306 drip tray underneath engine.
- Open coolant expansion tank cap.
Pa
ge 28 of 34 Coolin
g system com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.19.1

19-27

Installing
Installation is the reverse of removal, noting the
following:

- Fill up with coolant Page 19
-6 .

WARNING!

The cooling system is pressurized when the
engine is warm. When opening the expansion
tank, wear gloves and other appropriate
protection, cover the cap using a cloth, and
open carefully to relieve system pressure
slowly.

Tightening torques

Component
Tightening torques
Condenser to radiator 10 Nm (7 ft lb)
Coolant line to radiator 10 Nm (7 ft lb)
Pa
ge 31 of 34 Coolin
g system com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.19.1