GM Service Manual Online
For 1990-2009 cars only

In order to overhaul, follow the sequence below.

  1. Engine Flywheel Removal
  2. Crankshaft Rear Oil Seal Removal
  3. Drive Belt Removal
  4. Accessory Removal
  5. Exhaust Manifold Removal (Left)
  6. Exhaust Manifold Removal (Left with A.I.R.)
  7. Exhaust Manifold Removal (Right)
  8. Exhaust Manifold Removal (Right with A.I.R.)
  9. Oil Filter Adapter Removal (Without Engine Oil Cooler)
  10. Oil Filter Adapter Removal (With Engine Oil Cooler)
  11. Intake Manifold Removal
  12. Water Crossover Removal
  13. Starter Removal
  14. Ignition Module Removal (Left)
  15. Ignition Module Removal (Right)
  16. Camshaft Cover Removal (Left)
  17. Camshaft Cover Removal (Right)
  18. Crankshaft Balancer Removal
  19. Engine Front Cover Removal
  20. Crankshaft Front Oil Seal Removal
  21. Oil Pump Removal
  22. Secondary Camshaft Drive Chain Removal (Right)
  23. Secondary Camshaft Drive Chain Removal (Left)
  24. Primary Camshaft Drive Chain Removal
  25. Camshaft Removal (Left)
  26. Camshaft Removal (Right)
  27. Cylinder Head Removal (Left)
  28. Cylinder Head Removal (Right)
  29. Oil Pan Removal
  30. Lower Crankcase Removal
  31. Piston, Connecting Rod, and Bearing Removal
  32. Crankshaft and Bearings Removal
  33. Engine Block Clean and Inspect
  34. Crankshaft and Bearings Clean and Inspect
  35. Crankshaft Balancer Clean and Inspect
  36. Engine Flywheel Clean and Inspect
  37. Piston and Connecting Rod Disassemble
  38. Piston, Connecting Rod, and Bearings Clean and Inspect
  39. Piston Selection
  40. Piston and Connecting Rod Assemble
  41. Camshaft Intermediate Drive Shaft Clean and Inspect
  42. Cylinder Head Disassemble
  43. Cylinder Head Clean and Inspect
  44. Valve Spring Inspection and Measurement
  45. Valve and Seat Grinding
  46. Cylinder Head Assemble
  47. Camshaft Cleaning and Inspection
  48. Valve Train Components Clean and Inspect
  49. Oil Pump Disassemble
  50. Oil Pump Clean and Inspect
  51. Oil Pump Assemble
  52. Oil Pan Clean and Inspect
  53. Camshaft Cover Disassemble
  54. Camshaft Cover Clean and Inspect
  55. Camshaft Cover Assemble
  56. Intake Manifold Disassemble
  57. Intake Manifold Clean and Inspect
  58. Intake Manifold Assemble
  59. Exhaust Manifold Clean and Inspect (Left)
  60. Exhaust Manifold Clean and Inspect (Right)
  61. Water Pump Clean and Inspect
  62. Water Crossover Disassemble
  63. Water Crossover Clean and Inspect
  64. Water Crossover Assemble
  65. Thread Repair
  66. Service Prior to Assembly
  67. Crankshaft and Bearings Installation
  68. Piston, Connecting Rod, and Bearing Installation
  69. Lower Crankcase Installation
  70. Oil Pan Installation
  71. Cylinder Head Installation (Left)
  72. Cylinder Head Installation (Right)
  73. Camshaft Installation (Left)
  74. Camshaft Installation (Right)
  75. Primary Camshaft Drive Chain Installation
  76. Secondary Camshaft Drive Chain Installation (Left)
  77. Secondary Camshaft Drive Chain Installation (Right)
  78. Oil Pump Installation
  79. Crankshaft Front Oil Seal Installation
  80. Engine Front Cover Installation
  81. Crankshaft Balancer Installation
  82. Camshaft Cover Installation (Left)
  83. Camshaft Cover Installation (Right)
  84. Ignition Module Installation (Left)
  85. Ignition Module Installation (Right)
  86. Starter Installation
  87. Water Crossover Installation
  88. Intake Manifold Installation
  89. Oil Filter Adapter Installation (Without Engine Oil Cooler)
  90. Oil Filter Adapter Installation (With Engine Oil Cooler)
  91. Exhaust Manifold Installation (Left)
  92. Exhaust Manifold Installation (Left with A.I.R.)
  93. Exhaust Manifold Installation (Right)
  94. Exhaust Manifold Installation (Right with A.I.R.)
  95. Accessory Installation
  96. Drive Belt Installation
  97. Crankshaft Rear Oil Seal Installation
  98. Engine Flywheel Installation