Overhaul Procedure Steps

ENGINE OVERHAUL

NOTE: This article lists the sequential steps necessary to overhaul the engine.

^ For the specific step listed below, refer to that step under "Repair Instructions". Repair Instructions


1. Draining Fluids and Oil Filter Removal
2. Crankshaft Balancer Removal (With Z52 Option)
3. Engine Flywheel Removal
4. Clutch Pilot Bearing Removal
5. Exhaust Manifold Removal - Left Side
6. Exhaust Manifold Removal - Right Side
7. Water Pump Removal
8. Throttle Body Assembly Removal
9. Fuel Rail and Injectors Removal
10. Intake Manifold Removal
11. Engine Coolant Air Bleed Pipe and Hole Cover Removal
12. Engine Block Valley Cover Removal
13. Valve Rocker Arm Cover Removal - Left Side
14. Valve Rocker Arm Cover Removal - Right Side
15. Valve Rocker Arm and Push Rod Removal
16. Cylinder Head Removal - Left Side
17. Cylinder Head Removal - Right Side
18. Valve Lifter Removal
19. Engine Oil Cooler Removal
20. Oil Filter Removal
21. Oil Pan Removal (LS3 with Z52 Option, LS7, LS9)
22. Engine Front Cover Removal (LS3 with Z52 Option, LS7, LS9)
23. Crankshaft Rear Oil Seal Housing Removal
24. Oil Pump and Crankshaft Oil Deflector Removal (LS3 with Z52 Option, LS7, LS9)
25. Timing Chain and Sprocket Removal (LS3 with Z52 Option, LS7)
26. Camshaft Removal (LS3 with Z52 Option, LS7, LS9)
27. Piston, Connecting Rod, and Bearing Removal
28. Crankshaft and Bearing Removal
29. Engine Block Plug Removal
30. Engine Block Cleaning and Inspection
31. Cylinder Boring and Honing
32. Crankshaft and Bearing Cleaning and Inspection
33. Crankshaft Balancer Cleaning and Inspection
34. Engine Flywheel Cleaning and Inspection
35. Piston and Connecting Rod Disassemble
36. Piston, Connecting Rod, and Bearing Cleaning and Inspection
37. Piston and Connecting Rod Assemble
38. Camshaft Bearing Removal
39. Camshaft and Bearings Cleaning and Inspection
40. Camshaft Bearing Installation
41. Camshaft Timing Chain and Sprocket Cleaning and Inspection (LS3 with Z52 Option, LS7, LS9)
42. Valve Rocker Arm and Push Rod Cleaning and Inspection
43. Valve Lifter and Guide Cleaning and Inspection
44. Cylinder Head Disassemble
45. Cylinder Head Cleaning and Inspection
46. Valve Guide Reaming, and Valve and Seat Grinding
47. Cylinder Head Assemble
48. Oil Pump Disassemble (LS3 with Z52 Option, LS7)
49. Oil Pump Cleaning and Inspection (LS3 with Z52 Option, LS7)
50. Oil Pump Assemble (LS3 with Z52 Option, LS7)
51. Piston Oil Nozzle Cleaning and Inspection
52. Engine Front Cover Cleaning and Inspection (LS3 with Z52 Option, LS7, LS9)
53. Crankshaft Rear Oil Seal Housing Cleaning and Inspection
54. Engine Block Valley Cover Cleaning and Inspection
55. Valve Rocker Arm Cover Cleaning and Inspection (LS3 with Z52 Option, LS7, LS9)
56. Oil Pan Cleaning and Inspection (LS3 with Z52 Option, LS7, LS9)
57. Engine Oil Cooler Disassemble
58. Engine Oil Cooler Cleaning and Inspection
59. Engine Oil Cooler Assemble
60. Oil Tank Disassemble
61. Oil Tank Cleaning and Inspection
62. Oil Tank Assemble
63. Intake Manifold Cleaning and Inspection
64. Exhaust Manifold Cleaning and Inspection
65. Engine Coolant Air Bleed Pipe and Hole Cover Cleaning and Inspection
66. Water Pump Cleaning and Inspection
67. Service Prior to Assembly
68. Engine Block Plug Installation
69. Crankshaft and Bearing Installation
70. Piston, Connecting Rod, and Bearing Installation
71. Camshaft Installation (LS3 with Z52 Option, LS7, LS9)
72. Timing Chain and Sprocket Installation (LS3 with Z52 Option, LS7)
73. Oil Pump and Crankshaft Oil Deflector Installation (LS3 with Z52 Option, LS7, LS9)
74. Crankshaft Rear Oil Seal Housing Installation
75. Crankshaft Rear Oil Seal Installation
76. Engine Front Cover Installation (LS3 with Z52 Option, LS7, LS9)
77. Crankshaft Front Oil Seal Installation (LS3 with Z52 Option, LS7, LS9)
78. Oil Pan Installation (LS3 with Z52 Option, LS7, LS9)
79. Engine Oil Cooler Installation
80. Oil Filter Installation
81. Valve Lifter Installation
82. Cylinder Head Installation - Left Side
83. Cylinder Head Installation - Right Side
84. Valve Rocker Arm and Push Rod Installation
85. Valve Rocker Arm Cover Installation - Left Side
86. Valve Rocker Arm Cover Installation - Right Side
87. Engine Block Valley Cover Installation
88. Engine Coolant Air Bleed Pipe and Hole Cover Installation
89. Intake Manifold Installation
90. Fuel Rail and Injectors Installation
91. Throttle Body Assembly Installation
92. Water Pump Installation
93. Exhaust Manifold Installation - Left Side
94. Exhaust Manifold Installation - Right Side
95. Clutch Pilot Bearing Installation
96. Engine Flywheel Installation
97. Crankshaft Balancer Installation (LS3 with Z52 Option, LS7)
98. Engine Prelubing