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