Volkswagen Workshop Service and Repair Manuals

Checking compressions

Notes:

• ◆ When installing an exchange cylinder head, all the contact surfaces between the support elements, roller rocker fingers and the cams must be oiled before installing the cylinder head cover.
• ◆ The plastic packing pieces for protecting the open valves must not be removed until immediately before fitting cylinder head.
• ◆ If the cylinder head is replaced, all the coolant in the system must also be renewed.
• ◆ Removing and installing intake manifold:

=> Repair group 24; Servicing injection system; Removing and installing parts of injection system

• 20 Nm + 1/4 turn (90 °) further
• ◆ Hold with counter-hold 3036 to loosen and tighten the camshaft sprocket
• ◆ Renew
• Camshaft sprocket
• ◆ When installing note fixing arrangement
• ◆ Note position when installing the toothed belt
  => Page 15-8
• 10 Nm
• ◆ Install with D6
• ◆ Renew
• Rear toothed belt guard

• Cylinder head cover
• ◆ Sealing surface must not be treated
• ◆ With integrated camshaft bearings
• ◆ Removing and installing
  => Page 15-37
• ◆ Remove remnants of old sealant
• ◆ Coat with AMV 154 103 before fitting
• ◆ Install vertically from above with dowel pins in holes in cylinder head
• Cylinder head bolt
• ◆ Renew
• ◆ Note installation instructions and sequence when loosening and tightening
  => Page 15-12

• Screening cover
• ◆ Observe installation position
• ◆ Is clipped in or out
• Cap
• ◆ Renew seal if damaged
• Boot
• ◆ Renew if damaged
• 6 Nm + 1/4turn (90 °) further
• ◆ Renew
• ◆ Note installation instructions and sequence when loosening and tightening
  => Page 15-37
• 10 Nm
• Bracket
• ◆ For wiring harness
• Fitted pin

• Roller rocker finger
• ◆ Check roller bearing
• ◆ Oil contact surface
• ◆ Use securing clip to clip onto support element when installing
• Support element
• ◆ Do not interchange
• ◆ With hydraulic valve clearance compensation
• ◆ Oil contact surface
• Cylinder head gasket
• ◆ Metal gasket
• ◆ Renew
• ◆ If replaced renew the complete
  coolant
• Cylinder head
• ◆ Reworking of sealing surface on camshaft side not permissible
• ◆ Removing and installing
  => Page 15-12

• Lifting eye
• 20 Nm + 1/4 turn (90 °) further
• ◆ Renew
• Camshaft
• ◆ => Page 15-23 , Servicing valve gear
• ◆ Removing and installing
  => Page 15-37
• Oil seal
• ◆ Lightly oil sealing lip of oil seal
• ◆ Renew=> Page 15-34

→ Fig. 1     Checking cylinder head for distortion

Max. permissible distortion: 0.05 mm