1995 AUDI A4 coolant

19-10


- Remove seal from plenum chamber cover in direction of arrow.
- Remove plenum chamber cover -1- from front.
- Push back protective cover for coolant hose at connection of heat
exchanger.

- Release coolant hose to heat exchanger and pull back hose until
bleeder hole in coolant hose -arrow- is no longer covered by
connection.
- Top up coolant until it flows out at bleeder hole in coolant hose.
- Push coolant hose on connection and tighten.
- Install expansion tank cap.
Pa
ge 13 of 38 Coolin
g system com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.19.1

19-11

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

- Allow engine to run at idling speed until lower
hose on radiator becomes hot.

WARNING!

Hot steam can escape when opening the cap
on the expansion tank: Cover cap with a cloth
and open carefully.

- Check coolant level and top up if necessary. If
engine is warm, coolant level must be at max.
mark; if cold, between min. and max. marks.

- Stop engine.
Pa
ge 14 of 38 Coolin
g system com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.19.1

19-12

Coolant pump, removing and installing


Special tools and equipment

Socket head fastener T10092

Pin T40011
Pa
ge 15 of 38 Coolin
g system com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.19.1

19-13

Removing

Engine in vehicle.
Lock carrier must be in service position
Page 13
-1 .

- Drain coolant Page 19
-4 .

- Remove ribbed belt and tensioner for ribbed belt
Page 13
-18
.

- Secure pulley for viscous fan with pin punch -1- and unfasten using
Allen key -2-.
- Remove viscous fan from mounting.

- Remove engine cover -arrows-.
Pa
ge 16 of 38 Coolin
g system com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.19.1

19-15

- Take toothed belt off camshaft sprocket and
coolant pump.

Note:

The vibration damper and lower toothed belt
guard do not have to be removed.
The toothed belt should be left in position on
the crankshaft sprocket.
Before removing the coolant pump, cover
toothed belt with a cloth to protect from coolant.

- Remove coolant pump securing bolts -1- and remove coolant pump -2-.
Pa
ge 18 of 38 Coolin
g system com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.19.1

19-16

Installing
Installation is carried out in the reverse order of
removal; note the following:

Note:
Always replace seals and gaskets.

- Clean and smooth down sealing surface for O-
ring as required.

Note:
Observe all instructions on removing and installing the toothed belt
Page 13
-40
. - Lightly coat new O-ring -3- with coolant G 012 A8 D.
- Install coolant pump -2-.

Installation position: Sealing plug in housing faces downward.
- Tighten bolts -1- of coolant pump to 15 Nm.
- Install toothed belt (adjust valve timing) Page 13
-44
.
Pa
ge 19 of 38 Coolin
g system com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.19.1

19-17

- Install ribbed belt and tensioner for ribbed belt
Page 13
-20
.

- Install viscous fan Page 13
-21
.

- Install lock carrier Page 13
-1 .

- Top up coolant Page 19
-7 .

Tightening torque

Component

Nm
Coolant pump to cylinder block 15
Center section of toothed belt guard to
cylinder block
10
1)
Hose clamps for coolant hoses 2

1) Install with locking fluid D 000 600 A2
Pa
ge 20 of 38 Coolin
g system com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.19.1

19-18

Coolant thermostat, removing and
installing, checking


Removing

- Observe or obtain radio code on vehicles with
coded radio.

- Disconnect Ground strap at battery with ignition
switched off.

- Drain coolant Page 19
-4 .

Note:
Connector -2- remains plugged in. - Remove air duct hose -1-.

- Loosen ribbed belt by turning tensioner in direction of arrow.
- Remove ribbed belt from Generator pulley.
Pa
ge 21 of 38 Coolin
g system com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.19.1