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