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 (Lip Seal Type)
  3. Crankshaft Rear Oil Seal Removal (Cartridge Type)
  4. Drive Belt Removal
  5. Accessory Removal
  6. Oil Filter Adapter Removal
  7. Intake Manifold Removal
  8. Exhaust Manifold Removal (Left)
  9. Exhaust Manifold Removal (Right)
  10. Ignition Module Removal
  11. Camshaft Cover Removal (Left)
  12. Camshaft Cover Removal (Right)
  13. Crankshaft Balancer Removal
  14. Engine Front Cover Removal
  15. Crankshaft Front Oil Seal Removal
  16. Oil Pump Removal
  17. Secondary Camshaft Drive Chain Removal
  18. Primary Camshaft Drive Chain Removal
  19. Camshaft Removal
  20. Valve Lifter Removal
  21. Thermostat Removal
  22. Water Pump Removal
  23. Water Crossover Removal
  24. Cylinder Head Removal
  25. Starter Motor Removal
  26. Oil Pan Removal
  27. Lower Crankcase Removal
  28. Piston, Connecting Rod, and Bearing Removal
  29. Crankshaft and Bearings Removal
  30. Engine Block Clean and Inspect
  31. Crankshaft and Bearings Clean and Inspect
  32. Crankshaft Balancer Clean and Inspect
  33. Engine Flywheel Clean and Inspect
  34. Piston and Connecting Rod Disassemble
  35. Piston, Connecting Rod, and Bearing Cleaning and Inspection
  36. Piston Selection
  37. Piston and Connecting Rod Assemble
  38. Camshaft Intermediate Drive Shaft Clean and Inspect
  39. Cylinder Head Disassemble
  40. Cylinder Head Clean and Inspect
  41. Valve Spring Inspection and Measurement
  42. Valve and Seat Grinding
  43. Cylinder Head Assemble
  44. Camshaft and Bearings Clean and Inspect
  45. Oil Pump Disassemble
  46. Oil Pump Clean and Inspect
  47. Oil Pump Assemble
  48. Oil Pan Clean and Inspect
  49. Engine Front Cover Clean and Inspect
  50. Intake Manifold Disassemble
  51. Intake Manifold Clean and Inspect
  52. Intake Manifold Assemble
  53. Exhaust Manifold Clean and Inspect (Left)
  54. Exhaust Manifold Clean and Inspect (Right)
  55. Water Pump Clean and Inspect
  56. Water Crossover Clean and Inspect
  57. Thread Repair
  58. Service Prior to Assembly
  59. Crankshaft and Bearings Installation
  60. Piston, Connecting Rod, and Bearing Installation
  61. Lower Crankcase Installation
  62. Oil Pan Installation
  63. Starter Motor Installation
  64. Cylinder Head Installation
  65. Water Crossover Installation
  66. Water Pump Installation
  67. Thermostat Installation
  68. Camshaft Installation
  69. Primary Camshaft Drive Chain Installation
  70. Secondary Camshaft Drive Chain Installation
  71. Oil Pump Installation
  72. Front Crankshaft Oil Seal Installation
  73. Engine Front Cover Installation
  74. Crankshaft Balancer Installation
  75. Camshaft Cover Installation (Left)
  76. Camshaft Cover Installation (Right)
  77. Exhaust Manifold Installation (Left)
  78. Exhaust Manifold Installation (Right)
  79. Intake Manifold Installation
  80. Ignition Module Installation
  81. Oil Filter Adapter Installation
  82. Accessory Installation
  83. Drive Belt Installation
  84. Crankshaft Rear Oil Seal Installation (Lip Type Seal)
  85. Crankshaft Rear Oil Seal Installation (Cartridge Type Seal)
  86. Engine Flywheel Installation