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