Valve gear, assembly overview: Notes

WARNING: This page is about a different car, the 2006 Volkswagen Golf, 2005 Volkswagen Jetta, 2005 Volkswagen Golf, 2004 Volkswagen Jetta, and 2004 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Cylinder heads with cracks between the valve seats may be used without reducing engine life, provided the cracks are short and not more than 0.5 mm wide.

Fig 1: Exploded View - Valve Gear

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - 20 Nm plus an additional 14 turn (90 ° )

Replace
Note sequence when loosening and tightening. Refer to Camshaft, removing and installing

2 - Rocker arm shaft

Do not interchange

3 - Cylinder head bolt

Note sequence when loosening and tightening. Refer to Cylinder head, removing and installing

4 - Washer

For cylinder head bolts
Position in cylinder head before installing bearing caps.

5 - Hydraulic lifter

Do not interchange
With hydraulic valve clearance compensation
Store with cam contact surface downward
Before installing check camshaft axial clearance
Oil contact surfaces
Before removing, remove camshaft bearing caps

6 - Keepers

7 - Valve spring plate

8 - Outer valve spring

Removing and installing: Cylinder head removed: with 2037; Cylinder head installed: Refer to Valve stem seals, replacing

9 - Inner valve spring

Removing and installing: Cylinder head removed: with 2037; installed: Refer to Valve stem seals, replacing

10 - Valve stem seal

Replacing, refer to Valve stem seals, replacing

11 - Valve guide

Checking, refer to Valve guides, checking

12 - Unit injector

Removing and installing. Refer to Unit injector, removing and installing

13 - Cylinder head

See note, refer to Valvetrain, assembly overview

14 - Seal

Do not additionally oil or grease oil seal sealing lip
Before installing, remove oil remains from camshaft journals with a clean cloth
To install, tape over (e.g. with cellophane tape) groove in taper of camshaft
Removing and installing. Refer to Camshaft oil seal, removing and installing

15 - Valves

Valve dimensions

16 - Bearing shell

Do not interchange used bearing shells (mark)
Ensure proper seating of retaining lugs in bearing caps and cylinder head

17 - Camshaft

Checking axial clearance
Removing and installing. Refer to Camshaft, removing and installing
Check radial clearance with Plastigage, wear limit: 0.11 mm
Run-out: max. 0.01 mm
Identification and valve timing

18 - Bearing cap

Installation sequence. Refer to Camshaft, removing and installing
To install, seal parting surfaces of bearing caps 1 and 5 with AMV 174 004 01

19 - 8 Nm plus an additional 14 turn (90 ° )

Replace