Cylinder Head

Cylinder Head
This is a "Trustmark Authoring Standards (TAS) Repair Procedure"
- TAS style procedures can be identified by steps that have no accompanying step text and the magenta color of the electrical connectors and fasteners such as nuts, bolts, clamps or clips.
- TAS removal and installation procedures use a sequence of color illustrations to indicate the order to be followed when removing/disassembling or installing/assembling a component.
- Many of the TAS procedures will have the installation information within the removal steps.
- The TAS color illustrations use a variety of symbols to indicate important details of the procedures. It is important to understand these symbols in order to properly used the TAS procedures.
Refer to How to Use TAS Procedures and TAS Symbol Glossary at Vehicle | Description and Operation for additional information on these TAS procedures.
For additional information, refer to How to Use TAS Procedures How to Use TAS Procedures
For additional information, refer to TAS Symbol Glossary TAS Symbols Glossary
Removal

NOTE:
Removal steps in this procedure may contain installation details.
For additional information, refer to Battery Disconnect and Connect Battery Disconnect and Connect

WARNING: Make sure to support the vehicle with axle stands.
1 Raise and support the vehicle.
For additional information, refer to Camshaft LH Camshafts LH
For additional information, refer to Exhaust Manifold Exhaust Manifold
For additional information, refer to Intake Manifold Service and Repair

CAUTION: Discard the seal.

NOTE:
Engine shown removed for clarity.

NOTE:
Clamp the hose to minimize coolant loss.

CAUTION: Discard the seals.

CAUTION: If a new cylinder head has been installed then new tappets must be installed.

CAUTION: If the cylinder head is being removed without a new component being installed, the tappets must be installed in their original positions.

NOTE:
Left-hand shown, right-hand similar.

CAUTION: Discard the bolts.

NOTE:
Discard the gasket.

Installation

CAUTION: An acceptable flatness of the cylinder head is 0.1mm.
1 Check cylinder head face for distortion, across the center and from corner to corner.

WARNING: Make sure care is taken when handling the cylinder head gasket.

CAUTION: The head gasket must be installed over the cylinder block dowels.

CAUTION: Make sure that the mating faces are clean and free of foreign material.

NOTE:
Install a new cylinder head gasket.

CAUTION: Make sure that new cylinder head bolts are installed.

NOTE:
Tighten the bolts in the indicated sequence.

Torque to: 20 Nm

NOTE:
Tighten the bolts in the indicated sequence.

Torque to: 35 Nm

NOTE:
Tighten the bolts in the indicated sequence.
2 Tighten the bolts 1 to 10, a further 90 degrees.

NOTE:
Tighten the bolts in the indicated sequence.
3 Tighten the bolts 1 to 10, a further 120 degrees.

Torque to: 25 Nm

NOTE:
Tighten the bolts in the indicated sequence.

Torque to: 12 Nm

Torque to: 12 Nm

CAUTION: Install the new seals.

Torque to: 10 Nm

NOTE:
Engine shown removed for clarity.

Torque to: 12 Nm

CAUTION: Install new o-ring seals

Torque to: 12 Nm

Torque to: 20 Nm

Torque to: 12 Nm
For additional information, refer to Exhaust Manifold Exhaust Manifold
For additional information, refer to Camshaft LH Camshafts LH
For additional information, refer to Intake Manifold Service and Repair
For additional information, refer to Battery Disconnect and Connect Battery Disconnect and Connect