Checking Cooling System For Leaks - Volkswagen Touareg 2003 Workshop Repair Manual

– Remove toothed belt guard securing nuts -1-.
– Then unscrew all coolant pump securing bolts -arrows-.
Installation is carried out in the reverse order. When installing,
note the following:
– Insert coolant pump with gasket.
– Screw in all securing bolts by hand and tighten to specified
torque. Specified torque: 15 Nm
– Reinstall toothed belt
– Install poly V-belt ⇒ page 18
– Replenish coolant ⇒ page 86
1.12

Checking cooling system for leaks

Special tools and workshop equipment required
♦ Cooling system tester -V.A.G 1274-
♦ Adapter for cooling system tester -V.A.G 1274/8-
♦ Adapter for cooling system tester -V.A.G 1274/9-
– Screw cooling system tester -V.A.G 1274- with adapter -V.A.G
1274/8- onto expansion tank.
– Operate pump on tester and build-up pressure of between 1.4
and 1.6 bar.
– Check cooling system tester for leaks.
– In addition, check sealing cap.
⇒ page 34 .
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8-cylinder injection engine - Edition 11.2011
1. Removing and installing parts of cooling system
Touareg 2003 ➤
91