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