Volkswagen Workshop Service and Repair Manuals

Note:

• ◆ When installing an exchange cylinder head, the contact surfaces between the bucket tappets and the cam track must be oiled after installation of the head.
• ◆ When installing an exchange cylinder head with fitted camshaft, the valve clearance does not have to be adjusted.
• ◆ The plastic liners supplied for protection of the open valves must not be removed until just before fitting the cylinder head.
• ◆ When renewing the cylinder head, the entire coolant is also to be renewed.

Checking compression

• Cap
• Cylinder head cover
• 10 Nm
• Reinforcement strip
• Oil deflector
• ◆ Only with hydraulic bucket tappets
• Gaskets for cylinder head cover
• ◆ Renew
• Plug
• ◆ Renew
• Cylinder head bolt
• ◆ Replace socket head bolts with multipoint socket head cap screws
• ◆ Installation instructions and sequence when loosening and tightening: installing cylinder head => page 15-6

• Camshaft sprocket
• ◆ Note position when installing toothed belt => page 13-9
• Cylinder head
• ◆ Check for distortion =>Fig. 1
• ◆ Installing => page 15-6
• ◆ After renewing, renew the entire coolant
• ◆ Engine code GY: Cast-in part number = 056...
• Cylinder head gasket
• ◆ Renew
• ◆ Pay attention to centring pins in cylinder head on installation
• ◆ Marking "oben" must face cylinder head
• ◆ After renewing, renew the entire coolant
• ◆ Engine code GY: diameter of the holes = 77 mm

• Toothed belt
• ◆ Mark direction of rotation before removing
• ◆ Check for wear
• ◆ Do not kink
• ◆ Installing => page 13-9
• Tensioning roller
• 45 Nm
• Upper toothed belt guard
• ◆ 04.88 ä as shown ä 03.88 metal

→ Fig.1     Checking cylinder head for distortion

Maximum permissible distortion: 0.1 mm