Cylinder Head Assembly: Service and Repair
CYLINDER HEAD GASKET REPLACEMENTWarning:
^ Fuel vapor is hazardous. It can very easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
^ Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete the "Fuel Line Safety Procedure".
1. Drain the engine coolant.
2. Remove the water pump.
3. Remove the timing chain.
4. Install the No. 3 engine mount rubber and joint bracket.
5. Remove in the order indicated in the table.
6. Install in the reverse order of removal.
Water Bypass Tube Removal Note
1. Remove the water bypass tube installation stud bolt and bolt and disconnect the water bypass tube from the cylinder head.
Camshaft (RH) Removal Note
Caution: Remove the camshaft bearing thrust caps Nos. 1 R and 5R first. Do not loosen any of the other bolts until the thrust caps are removed, or damage to the thrust caps may occur.
Note: The cylinder head and the camshaft bearing caps are numbered to make sure they are reassembled in their original position. When removed, keep the bearing caps with the cylinder head they were removed from. Do not mix the caps.
Cylinder Head (RH) Removal Note
1. Loosen the cylinder head bolts in several passes in the order shown.
Camshaft (LH) Removal Note
Caution: Remove the camshaft bearing thrust caps Nos. 1L and 5L first. Do not loosen any of the other bolts until the thrust caps are removed, or damage to the thrust caps may occur.
Note: The cylinder head and the camshaft bearing caps are numbered to make sure they are reassembled in their original position. When removed, keep the bearing caps with the cylinder head they were removed from. Do not mix the caps.
Cylinder Head (LH) Removal Note
1. Loosen the cylinder head bolts in several passes in the order shown.
Cylinder Head (LH) Installation Note
1. Tighten the cylinder head bolts in the order shown using the following 6 steps.
1. Tighten to 32 38 Nm (3.3 - 3.8 kgf-m, 24-28 ft. lbs.).
2. Tighten 85 degrees-95 degrees.
3. Loosen 360 degrees (one full turn) in reverse order.
4. Tighten to 32 - 38 Nm (3.3 - 3.8 kgf-m, 24 - 28 ft. lbs.).
5. Tighten 85 degrees-95 degrees.
6. Tighten 85 degrees-95 degrees.
Camshaft (LH) Installation Note
1. Install the camshaft (LH) referring to Timing Chain Component (LH) Installation Note in TIMING CHAIN REMOVAL/INSTALLATION.
Cylinder Head (RH) Installation Note
1. Tighten the cylinder head bolts in the order shown using the following 6 steps.
1. Tighten to 32 - 38 Nm (3.3 - 3.8 kgf-m, 24 - 28 ft. lbs.).
2. Tighten 85 degrees-95 degrees.
3. Loosen 360 degrees (one full turn) in reverse order.
4. Tighten to 32 - 38 Nm (3.3 - 3.8 kgf-m, 24 - 28 ft. lbs.).
5. Tighten 85 degrees-95 degrees.
6. Tighten 85 degrees-95 degrees.
Camshaft (RH) Installation Note
1. Install the camshaft (RH) referring to Timing Chain Component (RH) Installation Note in TIMING CHAIN REMOVAL/INSTALLATION.