With engine installed, cylinder head removed: Notes

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Fig 1: Crankshaft Aligned With TDC Cyl. 1 Position

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Using mounting bolt for vibration damper, align crankshaft with mark for TDC cyl. 1 - arrow -.

Fig 2: Locating Slot On The Sprockets Of The Intermediate Shaft

Courtesy of VOLKSWAGEN UNITED STATES, INC.

If cylinder 1 is correctly at TDC position, it will be possible to see a slot - arrow - on intermediate shaft sprockets.

If the slot is not visible:

Turn crankshaft one turn in direction of rotation of engine.

NOTE:

If the crankshaft is turned with the cylinder head removed, a second mechanic must guide the camshaft roller chain by hand to prevent blocking.

Set both camshafts to TDC of cyl. 1.

Fig 3: Camshaft Guide 3268 Insert Into Shaft Slot

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Align camshafts with camshaft guide 3268.
Prepare cylinder head gasket for assembly Preparing cylinder head gasket for installation under Cylinder head, removal and installation overview .
Install cylinder head, refer to Cylinder head, removing and installing .
Push sliding rail onto bearing bolt. Insert short mounting bolt with locking compound D 000 600 and tighten both bolts to 20 Nm.

Mount camshaft sprocket with camshaft roller chain to camshaft for cylinder bank 1, 3 and 5 (long camshaft) and turn in opposite direction by hand.
Mount camshaft sprocket (with pickup wheel for Hall generator) and camshaft roller chain to camshaft for cylinder bank 2, 4 and 6 and turn in opposite direction by hand.

NOTE:

Coat contact surfaces of the bolt heads with oil when installing.

Remove camshaft guide 3268.
Tighten mounting bolts for camshaft sprockets to 100 Nm.

Fig 4: Identifying Camshaft Installed

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NOTE:

Hold camshaft - arrow - only with open-end wrench SW 24. The camshaft guide 3268 must not be inserted when tightening or loosening the sprockets.

Coat sealing surface of sealing flange with AMV 188 001 02 .
Coat O-ring for oil passage seal and insert in cover piece.
Install cover piece, insert all mounting bolts and turn in opposite direction slightly.
Initially tighten 8 mm mounting bolts to 25 Nm, then tighten 6 mm mounting bolts to 10 Nm.

Install chain tensioner for camshaft roller chain and tighten to 40 Nm.

NOTE:

Rotate engine only with chain tensioner installed. Otherwise, the camshaft roller chain will skip.

Rotate crankshaft twice in engine travel direction and check timing, refer to Valve timing, checking .