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, Screen and Crankshaft Oil 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 Bearing Removal
  25. Engine Block Plug Removal
  26. Engine Block Cleaning and Inspection
  27. Cylinder Boring and Honing
  28. Piston and Connecting Rod Disassemble
  29. Piston, Connecting Rod, and Bearing Cleaning and Inspection
  30. Piston Selection
  31. Piston and Connecting Rod Assemble
  32. Crankshaft and Bearing Cleaning and Inspection
  33. Crankshaft Balancer Cleaning and Inspection
  34. Engine Flywheel Cleaning and Inspection
  35. Camshaft and Bearings Cleaning and Inspection
  36. Camshaft Bearing Removal
  37. Camshaft Bearing Installation
  38. Camshaft Timing Chain and Sprocket Cleaning and Inspection
  39. Valve Rocker Arm and Push Rod Cleaning and Inspection
  40. Valve Lifters and Guides Cleaning and Inspection
  41. Cylinder Head Disassemble
  42. Cylinder Head Cleaning and Inspection
  43. Valve Guide Reaming, and 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 Cleaning and Inspection
  49. Oil Pump Assemble
  50. Valve Rocker Arm Cover Cleaning and Inspection
  51. Oil Pan Cleaning and Inspection
  52. Intake Manifold Disassemble
  53. Intake Manifold Cleaning and Inspection
  54. Intake Manifold Assemble
  55. Exhaust Manifold Cleaning and Inspection
  56. Water Pump Cleaning and Inspection
  57. Thread Repair
  58. Service Prior to Assembly
  59. Engine Block Plug Installation
  60. Crankshaft and Bearing 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, Screen and Crankshaft Oil Deflector Installation
  67. Oil Pan Installation
  68. Oil Filter Adapter Installation
  69. Crankshaft Balancer Installation
  70. Valve Lifter Installation
  71. Cylinder Head Installation
  72. Cylinder Head Installation
  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
  78. Valve Rocker Arm Cover Installation
  79. Water Pump Installation
  80. Oil Level Indicator and Tube Installation
  81. Exhaust Manifold Installation
  82. Exhaust Manifold Installation
  83. Engine Flywheel Installation
  84. Engine Set-Up and Testing