heater AUDI A4 1996 B5 / 1.G APB Engine Cooling System Components

19-17


Coolant hose connections, diagram

1 -
Bottom coolant hose
From radiator to engine
2 -
Cylinder head/ cylinder block
3 -
Right turbocharger
4 -
Auxiliary water pump
5 -
Heat exchanger for heater system
6 -
Coolant hose To heat exchanger
7 -
Left turbocharger
Pa
ge 18 of 34 Coolin
g system com
ponents, removin
g and installin
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11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.GE05.19.1

19-24


- Loosen bleeder screw on rear coolant line -arrow- below expansion
tank.
- Fill up coolant until it comes out at bleeder screw.
- Screw in bleeder screw (20 Nm).

- Loosen bleeder screw on front coolant line -arrow- between power
steering pump and left cylinder head.
- Fill with coolant until it comes out at bleeder screw.
- Screw in bleeder screw (20 Nm).
- Fill coolant up to max. mark.
- Close filler cap on expansion tank.
- Set heater controls to maximum heat setting.
Pa
ge 26 of 34 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.GE05.19.1