Golf L4-2.0L DSL Turbo (CJAA) (2010)
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Install the cap - 2 - onto the expansion tank vent - 1 -.
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Install the coolant hose - 3 - to the oil cooler and to the expansion tank.
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Fill the expansion tank up to the "MAX" mark.
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Install the (V.A.G 1274) and (V.A.G 1274/8 ) onto the expansion tank.
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Build a pressure of approximately 1.4 bar using the (V.A.G 1274).
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Watch the pressure decrease on the pressure gauge. The pressure must not fall within 10 minutes.
If the pressure drops:
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Replace the oil cooler. Refer to => [ Oil Filter Bracket and Oil Cooler Assembly Overview ] See: Oil Filter Housing/Service and Repair/Oil Filter
Bracket and Oil Cooler Assembly Overview.
Installation is performed in the reverse order of removal, noting the following:
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Check the coolant level; top off if necessary. Refer to => [ Cooling System, Draining and Filling ] See: Cooling System/Service and
Repair/Cooling System, Draining and Filling.