Engine code BBW

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Special tools and equipment

Fig 1: Torque Wrench V.A.G. 1331 (5 To 50 Nm)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

V.A.G 1331 Torque wrench (5 to 50 Nm)

Fig 2: Torque Wrench V.A.G. 1332 (40 To 200 Nm)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

V.A.G 1332 Torque wrench (40 to 200 Nm)
AMV 174 004 01 Sealant

Removing

Remove camshaft sprocket. Refer to Engine code BBW .

NOTE: Remove toothed belt only from camshaft sprocket.

First remove bearing caps 5, 1 and 3. Loosen bearing caps 2 and 4 alternately and diagonally.

Installing

Requirements

Pistons must not be positioned at TDC.

NOTE:

When installing the camshaft, the cam lobes for cylinder 1 must be facing up.

Fig 3: Identifying Correct & Incorrect Bearing Cap Position

Courtesy of VOLKSWAGEN UNITED STATES, INC.

When installing the bearing cap note offset. Before installing camshaft determine installed position.

Work sequence

Oil running surfaces on camshaft.
Install camshaft.
Tighten bearing caps 2 and 4 alternately and diagonally to 20 Nm.
Coat contact surfaces of bearing cap 1 lightly with sealing compound AMV 174 004 01.

Install bearing caps 3, 1 and 5 and also tighten to 20 Nm.
Install toothed belt. Refer to Engine code BBW .

NOTE: When new hydraulic lifters have been installed the engine must not be started for about 30 minutes. The hydraulic compensation elements must settle or the valves will strike the pistons.