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