Installation

Engine Replacement

Tools Required
- J41798 Engine Lifting Brackets
- J21366 Converter Holding Strap



Installation Procedure

Notice: Refer to Fastener Notice in Service Precautions.
Fastener Notice







1. Install the J41798 to the engine.
- Tighten the Me engine lift bracket bolts to 25 Nm (18 ft. lbs.).
- Tighten the M10 engine lift bracket bolts to 50 Nm (37 ft. lbs.).

2. Install an engine hoist to the J41798.
3. Remove the engine from the engine stand.
4. Install the engine to the vehicle.
5. Align the engine and transmission.







6. Install the left and right engine mount-to-engine mount bracket bolts.
Tighten the engine mount-to-engine mount bracket bolts to 65 Nm (48 ft. lbs.).

7. Install the upper transmission bolts until snug.
8. Remove the floor jack from under the transmission.
9. Remove the engine hoist.







10. Remove the J41798 from the engine.







11. Install the ignition coils and the spark plug wires.
12. Raise the vehicle.







13. Remove the J21366 from the transmission.
14. Install the automatic transmission bolt/studs.







15. If equipped with the 4L80-E automatic transmission, install the transmission converter cover bolts.







16. If equipped with the 4L60-E automatic transmission, install the transmission bolt and stud on the right side.
Tighten the automatic transmission bolts/studs to 50 Nm (37 ft. lbs.).







17. Install the automatic transmission oil level indicator tube.







18. Install the automatic transmission oil level indicator tube nut.
Tighten the nut to 18 Nm (13 ft. lbs.).







19. Install the flywheel to torque converter bolts.
- If equipped with a 4L60E transmission, tighten the bolts to 63 Nm (47 ft. lbs.).
- If equipped with a 4L80E transmission, tighten the bolts to 60 Nm (44 ft. lbs.).







20. Install the positive battery cable clip and bolt.
Tighten the bolt to 9 Nm (80 inch lbs.).

21. Install the catalytic converter.
22. Install the starter motor.







23. Install the oil pan skid plate and bolts, if equipped.
Tighten the bolts to 20 Nm (15 ft. lbs.).







24. Install the engine shield and bolts.
Tighten the bolts to 20 Nm (15 ft. lbs.).

25. Lower the vehicle.







26. Install the vacuum brake booster hose.







27. Position the generator bracket to the front of the engine.
28. Install the generator bracket bolts until snug.
29. Install the rear power steering pump-to-engine block bolt until snug.
- Tighten the rear power steering pump bolt to 50 Nm (37 ft. lbs.).
- Tighten the generator bracket bolts to 50 Nm (37 ft. lbs.).

30. Route the engine wiring harness to the lower engine area.
31. Raise the vehicle.







32. Slide the channel pin into the oil pan tab.
33. Install the battery cable channel bolt.
Tighten the bolt to 12 Nm (106 inch lbs.).







34. Connect the following electrical connectors:
- The CKP sensor (1)
- The engine oil level sensor (6)
- The coolant heater, if equipped

35. Lower the vehicle.
36. Connect the fuel pipes.







37. Install the EVAP purge solenoid vent tube to the solenoid (1).
38. Install the EVAP tube end (3) to the vapor pipe.







39. Install the battery cable junction block to the junction block bracket.
40. Clip all of the engine wiring harness clips to their correct location.







41. Connect the following electrical connectors:
- The oil pressure sensor (1)
- The CMP sensor (2)

42. Position the harness ground and the engine ground strap to the block.
43. Install the harness ground bolt at the left rear of the engine block.
44. Position the harness ground, and auxiliary negative battery cable, if equipped to the block.
45. Install the harness ground bolt at the right rear of the engine block.
Tighten the bolts to 16 Nm (12 ft. lbs.).







46. Connect the following electrical connectors:
- The coolant temperature sensor (1)
- The electronic variable orifice switch (2)

47. Position the harness ground and negative battery cable to the block.
48. Install the harness ground bolt.
Tighten the bolt to 25 Nm (18 ft. lbs.).







49. Connect the MAP sensor (1) and knock sensor (2) electrical connectors.







50. Connect the following electrical connectors:
- The main coil harness (1)
- The fuel injectors (3)







51. Connect the main coil harness (2) and fuel injector (3) electrical connectors on the left side.







52. Install the generator cable to the generator, perform the following:
52.1. Install the generator cable.
52.2. Install the generator cable nut to the terminal stud.
Tighten the nut to 9 Nm (80 inch lbs.).
52.3. Slide the boot over the terminal stud.







53. Install the radiator vent inlet hose to the throttle body.
54. Position the vent inlet hose clamp at the throttle body.







55. Install the engine wiring harness bracket and nut (2).
Tighten the nut to 5 Nm (44 inch lbs.).

56. Connect the following electrical connectors:
- The EVAP canister purge solenoid (1)
- The Generator (3)
- The ETC







57. If equipped with the 6.0L with RPO LQ9, perform the following:
57.1. Install the right fuel rail cover.
57.2. Tighten the right fuel rail cover bolts.
Tighten the bolts to 9 Nm (80 inch lbs.).

57.3. Install the left fuel rail cover.
57.4. Tighten the left fuel rail cover bolts.
Tighten the bolts to 9 Nm (80 inch lbs.).

57.5. Install the sight shield to the retainer.
57.6. Tighten the intake manifold sight shield bolt.
Tighten the bolt to 9 Nm (80 inch lbs.).







58. If equipped with the 4.8L, 5.3L, or 6.0L with RPO LQ4, install the engine sight shield to the retainer.
59. Tighten the engine sight shield bolt.
Tighten the bolt to 10 Nm (89 inch lbs.).

60. Install the heater hoses.







61. Install the radiator outlet hose to the water pump.
62. Position the radiator outlet hose clamp at the water pump.







63. Install the radiator inlet hose to the water pump.
64. Position the radiator inlet hose clamp at the water pump.
65. Install the radiator supports.
66. Install the A/C compressor.







67. Remove the hood hinge bolts from the service position (2).
68. Lower the hood to the normal position.
69. Install the hood hinge bolts.
Tighten the bolts to 25 Nm (18 ft. lbs.).

70. Remove the fender covers.
71. Perform the engine preluding procedure.
72. Perform the CKP system variation learn procedure.

Important: After an overhaul, the engine should be tested. Use the following procedure after the engine is installed in the vehicle.

72.1. Disable the ignition system.
72.2. Crank the engine several times. Listen for any unusual noises or evidence that parts are binding.
72.3. Enable the ignition system.
72.4. Start the engine and listen for unusual noises.
72.5. Check the vehicle oil pressure gauge or light and confirm that the engine has acceptable oil pressure.
72.6. Run the engine speed at about 1,000 RPM until the engine has reached normal operating temperature.
72.7. Listen for sticking lifter and other unusual noises.
72.8. Inspect for fuel, oil and/or coolant leaks while the engine is running.
72.9. Perform a final inspection for the proper engine oil and coolant levels.

73. Close the hood.