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