Cylinder Head Assembly: Service and Repair
Removal1. Remove the drive belt.
2. Recover the A/C system.
3. Loosen the bolt and separate the A/C manifold tube from the A/C compressor.
4. Disconnect the A/C compressor electrical connector.
5. Position the A/C compressor mounting bracket aside.
6. Disconnect the generator electrical connectors.
7. Disconnect the heater hose retaining clip and position the heater water hose aside.
8. Remove the generator mounting bracket.
9. Remove the lower intake manifold.
10. Remove the LH and RH exhaust manifolds.
11. CAUTION: If the rocker arm shaft is not loosened gradually, the shaft may become bent during removal.
Remove the RH and LH rocker arm shafts.
12. Note: Mark the position of the push rods so they can be reinstalled in their original position.
Remove the push rods.
13. Remove the cylinder heads and the gaskets.
Installation
1. Clean and inspect all sealing surfaces.
2. Note: New bolts must be used.
Note: The head gaskets are not interchangeable and are marked for either right or left side use.
Position the cylinder head and gasket and install the new bolts in three steps:
1 Tighten to 34 Nm (25 ft. lbs.).
2 Tighten to 72 Nm (53 ft. lbs.).
3 Tighten an additional 90 degrees.
3. Install the push rods.
4. CAUTION: Tighten the rocker arm shaft gradually or it may become bent during installation.
Install the rocker arm and shaft assembly and tighten the bolts in two steps:
1 Tighten to 33 Nm (24 ft. lbs.).
2 Tighten an additional 90 degrees.
5. Install the LH and RH exhaust manifolds.
6. Install the lower intake manifold.
7. Install the generator mounting bracket.
8. Connect the heater hose retaining clip.
9. Connect the generator electrical connectors.
10. Install the A/C compressor mounting bracket.
11. Connect the A/C compressor electrical connector.
12. Install the A/C manifold tube to the A/C compressor.
13. Recharge the A/C system.
14. Install the drive belt.