SEAT Workshop Service and Repair Manuals

Checking compression pressures

Notes:

• ◆ Use assembly tool T10029 only, to pull off and push on the spark plug connector.
• ◆ When installing an exchange cylinder head with fitted camshaft, the contact surfaces between bucket tappet and cam must be oiled after installation.
• ◆ The plastic protectors fitted to protect the open valves must only be removed immediately before fitting the cylinder head.
• ◆ When replacing the cylinder head the complete coolant must be renewed.

• Toothed belt guard - upper part
• 45 Nm
• Tensioner
• Toothed belt
• ◆ Mark D.O.R. before removing
• ◆ Check for wear
• ◆ Do not kink
• ◆ Removing and installing => Page 13-16
• Toothed belt guard
• 10 Nm
• Plug
• From the crankcase breather
• Junction piece
• ◆ For crankcase breather

• O-ring
• ◆ Renew if damaged
• 16 Nm
• Intake manifold - upper part
• Cap
• ◆ Renew seal if damaged
• Reinforcement strip
• Cylinder head cover
• Oil deflector
• Cylinder head bolt
• ◆ Sequence when loosening and tightening => Page 15-6, Removing and installing cylinder head
• Cylinder head cover gasket
• ◆ Renew if damaged
• ◆ Before fitting gasket coat transition between bearing cap/cylinder head with D 454 300 A2

• Cylinder head
• ◆ Removing and installing
  => Page 15-6
• ◆ If replaced renew the complete
  coolant
• Cylinder head gasket
• ◆ Renew
• ◆ If replaced renew the complete
  coolant
• Lifting eye
• Camshaft sprocket
• ◆ Note position when installing toothed belt
  => Page 13-16
• Rear toothed belt guard
• 25 Nm

→ Fig. 1    Checking cylinder head for distortion

Special tools, workshop equipment, testers, measuring instruments and auxiliary items required

• ◆ Feeler gauges

Max. permissible distortion: 0.1 mm