Installation
- Tool Required- J 35268-A Camshaft/Front Main Seal Installer
- J 3660 Torque/Angle Meter
- J 42098 Crank Hub Torx Socket
- J 42065 Crank Hub Holding Tool
- Or Equivalent
1. Coat the pump side of the new oil pump gasket in the crosshatched areas shown in the illustration with a thin, even coating of anaerobic sealant GM P/N 1052942 or equivalent. (Note the tightening sequence for the bolts).
CAUTION: Do not cover and/or restrict the gasket openings with excess sealant.
2. Install the oil pump gasket.
3. Install the oil pump and align with the guide pins (2).
4. Apply thread sealant GM P/N 12346004, or equivalent, to the six oil pump bolts and install the bolts. Tighten the oil pump bolts, using the sequence shown, to 8 Nm (71 inch lbs.).
5. Install the timing belt idler pulley and washer for camshafts 3 and Tighten the timing belt idler pulley locking nut to 40 Nm (30 ft. lbs.).
CAUTION: The timing belt is NOT installed at this point, the camshaft 3 and 4 idler pulley bolt is torqued to specification to allow for proper compression of the oil pump gasket.
6. Release and pivot the generator into place and install the generator lower mounting bolt (3). Tighten the generator lower and upper bolts to 40 Nm (30 ft. lbs.). Re-tighten the six oil pump bolts, using the sequence shown, to 9 Nm (80 inch lbs.).
7. Remove the timing belt idler pulley and washer for camshafts 3 and 4.
8. Install the oil pump collar.
9. Install the front main oil seal. Coat the lip of the front main oil seal with a small amount of GM P/N 1052497 chassis grease or equivalent to aid in installation.
10. Use the Camshaft/Front Main Seal Installer to install the front main oil seal.
11. Ensure the front main oil seal if fully and evenly seated.
12. Install the crankshaft drive gear.
13. Install a new crankshaft drive gear bolt. Tighten the crankshaft drive gear bolt to 250 Nm (184 ft. lbs.) + 45° + 15°.
14. Install the upper oil pan housing.
15. Install the oil pan.
16. Position the A/C compressor and power steering pump bracket.
17. Install the A/C compressor and power steering pump bracket bolts. Tighten the A/C compressor and power steering pump bracket bolts to 40 Nm (30 ft. lbs.).
18. Install the A/C compressor. See Heating and Air Conditioning.
19. Install the rear timing belt cover.
20. Install the timing belt.
21. Install the front timing belt cover.
22. Install the intake air resonator.
23. Charge the A/C system. See Heating and Air Conditioning.
24. Reconnect the negative battery cable.
25. Reprogram the applicable accessories.
26. Fill the cooling system. See Cooling System.