Cylinder Head Assembly: Service and Repair

REMOVAL PROCEDURE

^ Tools Required
- J36660 Torque Angle Meter

1. Disconnect the negative battery cable.

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.

2. Remove the intake manifold.





3. Remove the exhaust manifold.
4. Remove the rocker arm cover.
5. Remove the electronic ignition module.
6. Remove the spark plug wires.
7. Remove the generator bracket.
8. Remove the A/C compressor bracket bolt.
9. Remove the power steering pump.
10. Remove the accessory belt tensioner.
11. For VIN 1 engines, remove the supercharger belt tensioner.
12. Remove the fuel pipe heat shield.
13. Remove the rocker arm assemblies.
14. Remove the pushrods.
15. Remove the cylinder head bolts. Discard the bolts.
16. Remove the cylinder head.
17. Clean all of the gasket mating surfaces.
18. Inspect the cylinder head.

INSTALLATION PROCEDURE

^ Tools Required
- J36660 Torque Angle Meter

NOTICE: This engine uses special torque to yield head bolts. This design bolt requires a special tightening procedure. Failure to follow the given procedure will cause head gasket failure and possible engine damage.

1. Clean the threads in the block using a 7/16-14 tap.





2. Install the head gasket with the arrow pointing to the front of the engine.

3. Install the new cylinder head bolts.

NOTICE: This bolt is designed to permanently stretch when tightened. The correct part number fastener must be used to replace this type of fastener. Do not use a bolt that is stronger in this application. If the correct bolt is not used, the parts will not be tightened correctly. The system or the components may be damaged.






^ Tighten the bolts in sequence to 50 Nm (37 ft. lbs.).
^ Using the J 36660, rotate each bolt 120 degrees in sequence.

NOTICE: Refer to Fastener Notice in Service Precautions.

4. Install the pushrods.
5. Install the guide plate.
6. Install the rocker arm.
7. Install the A/C compressor bracket bolt.
Tighten the bolt to 70 Nm (52 ft. lbs.).

8. Install the generator support bracket to the cylinder head.
9. Install the generator.
10. Install the electronic ignition module.
11. Install the belt tensioner.
12. Install the spark plug wires.
13. Install the power steering pump.
14. Install the fuel pipe heat shield.
15. Connect the negative battery cable.