Cylinder Head - Installation

^ Tools Required, or equivalent:
J 36660 Torque Angle Meter
J 28467-360 Engine Support Fixture
J 28467-400 Engine Lift Hook

NOTE: Do not use any sealing material.

1. Install the cylinder head gasket to the block.
2. Install the cylinder head.
3. Sparingly apply clean engine oil to the threads and the bottom side of the flange of the head bolt. Allow the oil to drain before installing.





4. Install and tighten the cylinder head bolts to specifications in sequence.
a. Tighten bolts 1-8 to 65 Nm (40 ft. lbs.) + 90 degrees
b. Tighten bolts 9 and 10 to 40 Nm (30 ft. lbs.) + 90 degrees.
5. Turn all bolts an additional 90 degrees in sequence.
6. The intake camshaft housing.
7. The exhaust camshaft housing.
8. Install the timing chain housing and the timing chain.
9. Uncover the fuel injectors.
10. Install new injector O-ring seals.
11. Lubricate the O-ring seals with engine oil.
12. Uncover the injector openings in the cylinder head.
13. Install the fuel rail onto the cylinder head.
14. Install the fuel rail to the camshaft housing bolts and tighten to specification. Tighten the bolts to 26 Nm (19 ft. lbs.).





15. Install the fuel line retaining clamp and the retainer to the bracket on top of the camshaft housing.
16. Install the vacuum line to the fuel pressure regulator.
17. Install the fuel injector harness connector.
18. Install the camshaft position sensor connector.

NOTE: When reinstalling the power steering pump apply a 3 mm bead of GM P/N 12346586 sealer or the equivalent to the joint at the end of the camshaft housing halves before installation of the power steering pump and the pump face seal.

19. Install the power steering pump assembly. See Steering and Suspension.





20. Install the power steering bolt. Tighten the bolt to 26 Nm (19 ft. lbs.).
21. Install the electrical connection from the oil pressure switch.
22. For automatic transmission equipped vehicles, install the transmission fluid level indicator tube assembly from the exhaust camshaft cover. Position aside.
23. Install the electrical connector to the ignition coil and the module assembly.
24. Reinstall any spark plug boot connector assembly that stuck to a spark plug back onto the ignition coil and module assembly.
25. Locate the ignition coil and the module assembly over the spark plugs and push straight down.





26. Clean any loose lubricant that is present on the ignition coil and the module assembly to the camshaft housing bolts.
27. Apply the Pipe Sealant GM P/N 1052080 or the equivalent onto the ignition coil and the module cover assembly to the camshaft housing bolts. Tighten he bolts to 15 Nm (11 ft. lbs.) + 30 degrees.
28. Install the electrical connector to the ignition coil and the module assembly.
29. Remove the engine support fixture and the stud-ended generator bolt.
30. Install the intake manifold.
31. Connect the coolant temperature sensor connectors.
32. Connect the upper radiator hose to the coolant outlet.
33. Connect the following electrical connectors:
^ The manifold absolute pressure sensor
^ The intake air temperature sensor
^ The purge solenoid
34. Install the exhaust manifold. See Exhaust System.
35. Install the throttle body to air cleaner duct.
36. Fill the coolant system. See Cooling System.
37. Connect the negative battery cable.