coolant temperature AUDI TT 2000 8N / 1.G AEB ATW Engines Cooling System Components Workshop Manual

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.
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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.
Pa
ge 32 of 34 Coolin
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play?action=Goto&t
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