GM Service Manual Online
For 1990-2009 cars only

To overhaul the engine, follow the sequence below.

  1. Draining Fluids and Oil Filter Removal
  2. Engine Flywheel Removal
  3. Drive Belt Tensioner Removal
  4. Drive Belt Tensioner Bracket Removal
  5. Drive Belt Idler Pulley Bracket Removal
  6. Oil Level Indicator and Tube Removal
  7. Water Outlet Removal
  8. Water Pump Removal
  9. Supercharger Removal
  10. Intake Manifold Removal
  11. Exhaust Crossover Removal
  12. Exhaust Manifold Removal
  13. Exhaust Manifold Removal
  14. Valve Rocker Arm Cover Removal
  15. Valve Rocker Arm Cover Removal
  16. Valve Rocker Arm and Push Rod Removal
  17. Cylinder Head Removal
  18. Valve Lifter Removal
  19. Crankshaft Balancer Removal
  20. Crankshaft Front Oil Seal Removal
  21. Engine Front Cover Removal
  22. Oil Filter Adapter Removal
  23. Oil Pump Cover and Gear Set Removal
  24. Timing Chain and Sprockets Removal
  25. Camshaft Removal
  26. Balance Shaft Removal
  27. Crankshaft Rear Oil Seal Removal
  28. Crankshaft Rear Oil Seal and Housing Removal
  29. Oil Pan Removal
  30. Oil Pump Suction Pipe and Screen Assembly Removal
  31. Piston, Connecting Rod, and Bearing Removal
  32. Crankshaft and Bearing Removal
  33. Engine Block Plug Removal
  34. Engine Block Cleaning and Inspection
  35. Cylinder Boring and Honing
  36. Crankshaft and Bearing Cleaning and Inspection
  37. Crankshaft Balancer Cleaning and Inspection
  38. Engine Flywheel Cleaning and Inspection
  39. Piston and Connecting Rod Disassemble
  40. Piston, Connecting Rod, and Bearing Cleaning and Inspection
  41. Piston Selection
  42. Piston and Connecting Rod Assemble
  43. Camshaft Bearing Removal
  44. Camshaft and Bearings Cleaning and Inspection
  45. Camshaft Bearing Installation
  46. Camshaft Timing Chain and Sprocket Cleaning and Inspection
  47. Valve Rocker Arm and Push Rod Cleaning and Inspection
  48. Valve Lifters and Guides Cleaning and Inspection
  49. Cylinder Head Disassemble
  50. Cylinder Head Cleaning and Inspection
  51. Valve Guide Reaming, and Valve and Seat Grinding
  52. Cylinder Head Assemble
  53. Oil Pump Cleaning and Inspection
  54. Valve Rocker Arm Cover Cleaning and Inspection
  55. Oil Pan Cleaning and Inspection
  56. Intake Manifold Cleaning and Inspection
  57. Exhaust Manifold Cleaning and Inspection
  58. Water Pump Cleaning and Inspection
  59. Engine Front Cover Cleaning and Inspection
  60. Balance Shaft Cleaning and Inspection
  61. Balance Shaft Bearing and/or Bushing Removal
  62. Balance Shaft Bearing and/or Bushing Installation
  63. Service Prior to Assembly
  64. Engine Block Plug Installation
  65. Crankshaft and Bearing Installation
  66. Piston, Connecting Rod, and Bearing Installation
  67. Oil Pump Suction Pipe and Screen Assembly Installation
  68. Oil Pan Installation
  69. Camshaft Installation
  70. Balance Shaft Installation
  71. Crankshaft Rear Oil Seal and Housing Installation
  72. Crankshaft Rear Oil Seal Installation
  73. Timing Chain and Sprockets Installation
  74. Oil Pump Cover and Gear Set Installation
  75. Oil Filter Adapter Installation
  76. Engine Front Cover Installation
  77. Crankshaft Front Oil Seal Installation
  78. Crankshaft Balancer Installation
  79. Valve Lifter Installation
  80. Cylinder Head Installation
  81. Valve Rocker Arm and Push Rod Installation
  82. Valve Rocker Arm Cover Installation
  83. Valve Rocker Arm Cover Installation
  84. Exhaust Manifold Installation
  85. Exhaust Manifold Installation
  86. Exhaust Crossover Installation
  87. Intake Manifold Installation
  88. Supercharger Installation
  89. Water Pump Installation
  90. Water Outlet Installation
  91. Oil Level Indicator and Tube Installation
  92. Drive Belt Idler Pulley Bracket Installation
  93. Drive Belt Tensioner Bracket Installation
  94. Drive Belt Tensioner Installation
  95. Engine Flywheel Installation