AUDI A3 1997 8L / 1.G AEB ATW Engines Cooling System Components Owner's Guide
Page 31 of 34
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)
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Page 32 of 34
19-28
Cooling system, pressure test
Special tools and equipment
VAG1274 cooling system tester
VAG1274/1 adapter or VAG1274/8 with
VAG1274/9
Test condition:
Engine at operating temperature
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.
- Open coolant expansion tank cap.
Vehicles with small cap
- Using VAG1274/1 adapter, attach VAG1274 cooling system tester to
coolant expansion tank.
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Page 33 of 34
19-29
Vehicles with large cap
All models - Using VAG1274/8 adapter, attach VAG1274 cooling system tester to
coolant expansion tank.
- Use tester hand pump to create approx. 1.0 bar (14.5 psi) pressure.
- If pressure drops, check for leaks and repair.
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Page 34 of 34
19-30
Pressure relief valve in cap, checking
Vehicles with small cap
Vehicles with large cap - Using VAG1274/1 adapter (2 parts), attach VAG1274 cooling system
tester to coolant expansion tank cap.
- Pump using hand pump.
Pressure relief valve must open at 1.2-1.5 bar (17.4-21.75 psi).
- Using VAG1274/9 adapter attach VAG1274 cooling system tester to
coolant expansion tank cap.
- Pump using hand pump.
Pressure relief valve must open at 1.4-1.6 bar (20.3-23.2 psi).
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ge 34 of 34 Coolin
g system com
ponents, removin
g and installin
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11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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e=re
pair&id=AUDI.B5.GE02.19.1