GM Service Manual Online
For 1990-2009 cars only

In order to overhaul, following the sequence below.

  1. Draining Fluids and Oil Filter Removal
  2. Crankshaft Balancer Removal
  3. Engine Flywheel Removal
  4. Clutch Pilot Bearing Removal
  5. Oil Level Indicator and Tube Removal
  6. Exhaust Manifold Removal
  7. Exhaust Manifold Removal
  8. Water Pump Removal
  9. Throttle Body Removal
  10. Fuel Rail and Injectors Removal
  11. Intake Manifold Removal
  12. Coolant Air Bleed Pipe Removal
  13. Engine Block Valley Cover Removal
  14. Valve Rocker Arm Cover Removal
  15. Valve Rocker Arm Cover Removal
  16. Valve Rocker Arm and Push Rod Removal
  17. Cylinder Head Removal
  18. Cylinder Head Removal
  19. Valve Lifter Removal
  20. Oil Filter, Adapter, and Pan Cover Removal
  21. Oil Pan Removal
  22. Engine Front Cover Removal
  23. Engine Rear Cover Removal
  24. Oil Pump, Screen and Crankshaft Oil Deflector Removal
  25. Timing Chain and Sprockets Removal
  26. Camshaft Removal
  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, Connecting Rod, and Bearing Cleaning and Inspection
  38. Piston, Connecting Rod, and Bearing Cleaning and Inspection
  39. Piston Selection
  40. Piston and Connecting Rod Assemble
  41. Camshaft Bearing Removal
  42. Camshaft and Bearings Cleaning and Inspection
  43. Camshaft Bearing Installation
  44. Camshaft Timing Chain and Sprocket Cleaning and Inspection
  45. Valve Rocker Arm and Push Rod Cleaning and Inspection
  46. Valve Lifters and Guides Cleaning and Inspection
  47. Cylinder Head Disassemble
  48. Cylinder Head Cleaning and Inspection
  49. Valve Guide Reaming, and Valve and Seat Grinding
  50. Cylinder Head Assemble
  51. Oil Pump Disassemble
  52. Oil Pump Cleaning and Inspection
  53. Oil Pump Assemble
  54. Engine Front Cover Cleaning and Inspection
  55. Engine Rear Cover Cleaning and Inspection
  56. Engine Block Valley Cover Cleaning and Inspection
  57. Valve Rocker Arm Cover Cleaning and Inspection
  58. Oil Pan Cleaning and Inspection
  59. Intake Manifold Cleaning and Inspection
  60. Exhaust Manifold Cleaning and Inspection
  61. Coolant Air Bleed Pipe Cleaning and Inspection
  62. Water Pump Cleaning and Inspection
  63. Service Prior to Assembly
  64. Engine Block Plug Installation
  65. Crankshaft and Bearing Installation
  66. Piston, Connecting Rod, and Bearing Installation
  67. Camshaft Installation
  68. Timing Chain and Sprockets Installation
  69. Oil Pump, Screen and Crankshaft Oil Deflector Installation
  70. Engine Rear Cover Installation
  71. Crankshaft Rear Oil Seal Installation
  72. Engine Front Cover Installation
  73. Crankshaft Front Oil Seal Installation
  74. Oil Pan Installation
  75. Oil Filter, Adapter, and Pan Cover Installation
  76. Valve Lifter Installation
  77. Cylinder Head Installation
  78. Cylinder Head Installation
  79. Valve Rocker Arm and Push Rod Installation
  80. Valve Rocker Arm Cover Installation
  81. Valve Rocker Arm Cover Installation
  82. Engine Block Valley Cover Installation
  83. Coolant Air Bleed Pipe Installation
  84. Intake Manifold Installation
  85. Fuel Rail and Injectors Installation
  86. Throttle Body Installation
  87. Water Pump Installation
  88. Exhaust Manifold Installation
  89. Exhaust Manifold Installation
  90. Oil Level Indicator and Tube Installation
  91. Clutch Pilot Bearing Installation
  92. Engine Flywheel Installation
  93. Crankshaft Balancer Installation
  94. Engine Set-Up and Testing