GM Service Manual Online
For 1990-2009 cars only

In order to overhaul, follow the sequence below.

  1. Draining Fluids and Oil Filter Removal
  2. Engine Flywheel Removal
  3. Exhaust Manifold Removal
  4. Exhaust Manifold Removal
  5. Oil Level Indicator and Tube Removal
  6. Water Pump Removal
  7. Crankshaft Balancer Removal
  8. Valve Rocker Arm Cover Removal
  9. Valve Rocker Arm Cover Removal
  10. Distributor Removal
  11. Intake Manifold Removal
  12. Valve Rocker Arm and Push Rod Removal
  13. Cylinder Head Removal
  14. Cylinder Head Removal
  15. Valve Lifter Removal
  16. Oil Filter Adapter Removal
  17. Oil Pan Removal
  18. Oil Pump Removal
  19. Engine Front Cover Removal
  20. Timing Chain and Sprockets Removal
  21. Balance Shaft Removal
  22. Camshaft Removal
  23. Piston, Connecting Rod, and Bearing Removal
  24. Crankshaft Rear Oil Seal and Housing Removal
  25. Crankshaft and Bearing Removal
  26. Engine Block Plug Removal
  27. Engine Block Cleaning and Inspection
  28. Cylinder Boring and Honing
  29. Piston and Connecting Rod Disassemble
  30. Piston, Connecting Rod, and Bearing Cleaning and Inspection
  31. Piston Selection
  32. Piston and Connecting Rod Assemble
  33. Crankshaft and Bearing Cleaning and Inspection
  34. Crankshaft Balancer Cleaning and Inspection
  35. Engine Flywheel Cleaning and Inspection
  36. Camshaft and Bearings Cleaning and Inspection
  37. Camshaft Bearing Removal
  38. Camshaft Bearing Installation
  39. Balance Shaft Bearing and/or Bushing Removal
  40. Balance Shaft Cleaning and Inspection
  41. Balance Shaft Bearing and/or Bushing Installation
  42. Camshaft Timing Chain and Sprocket Cleaning and Inspection
  43. Valve Rocker Arm and Push Rod Cleaning and Inspection
  44. Valve Lifters and Guides Cleaning and Inspection
  45. Cylinder Head Disassemble
  46. Cylinder Head Cleaning and Inspection
  47. Valve Guide Reaming, and Valve and Seat Grinding
  48. Cylinder Head Assemble
  49. Oil Pump Disassemble
  50. Oil Pump Cleaning and Inspection
  51. Oil Pump Assemble
  52. Valve Rocker Arm Cover Cleaning and Inspection
  53. Oil Pan Cleaning and Inspection
  54. Intake Manifold Disassemble
  55. Intake Manifold Cleaning and Inspection
  56. Intake Manifold Assemble
  57. Exhaust Manifold Cleaning and Inspection
  58. Water Pump Cleaning and Inspection
  59. Thread Repair
  60. Service Prior to Assembly
  61. Engine Block Plug Installation
  62. Crankshaft and Bearing Installation
  63. Crankshaft Rear Oil Seal and Housing Installation
  64. Piston, Connecting Rod, and Bearing Installation
  65. Camshaft Installation
  66. Balance Shaft Installation
  67. Timing Chain and Sprockets Installation
  68. Engine Front Cover Installation
  69. Oil Pump Installation
  70. Oil Pan Installation
  71. Oil Filter Adapter Installation
  72. Crankshaft Balancer Installation
  73. Valve Lifter Installation
  74. Cylinder Head Installation
  75. Cylinder Head Installation
  76. Valve Rocker Arm and Push Rod Installation
  77. Intake Manifold Installation
  78. Distributor Installation
  79. Valve Rocker Arm Cover Installation
  80. Valve Rocker Arm Cover Installation
  81. Oil Level Indicator and Tube Installation
  82. Water Pump Installation
  83. Exhaust Manifold Installation
  84. Exhaust Manifold Installation
  85. Engine Flywheel Installation
  86. Engine Set-Up and Testing