Install
–
Clean sealing surface for "O"-ring.
Insert coolant thermostat. Fitting position: The clamp of the coolant thermostat must be
–
positioned vertically.
–
Moisten new "O"-ring with coolant additive.
–
Tighten bolts to 15 Nm.
–
Filling system with coolant
Installing coolant pipe
Special tools and workshop equipment required
t
Torque wrench 5 to 50 Nm (e.g. -V.A.G 1331-)
t
Pliers for spring strap clips
Note
Always replace seals and gasket rings.
Moisten "O"-ring -1- with coolant additive and
–
slide onto coolant pipe -2-.
Push the coolant pipe into the bore hole on the
–
cylinder block.
– Tighten bracket for coolant pipe to 10 Nm.
Checking the coolant system for tightness
Special tools and workshop equipment required
t
Coolant system tester (e.g.-V.A.G 1274-)
t
Adapter (e.g. -V.A.G 1274/8-)
t
Adapter (e.g. -V.A.G 1274/9-)
Test conditions
l
Engine must be warm
Test sequence
→
Anchor.
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