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. Oil Level Indicator and Tube Removal
  4. Exhaust Manifold Removal
  5. Intake Manifold Removal
  6. Crankshaft Balancer Removal
  7. Engine Front Cover Removal
  8. Camshaft Timing Chain, Sprocket, and Tensioner Removal
  9. Water Pump Removal
  10. Timing Chain Housing Removal
  11. Intake Camshaft, Housing and Lifter Removal
  12. Exhaust Camshaft, Housing and Lifter Removal
  13. Cylinder Head Removal
  14. Oil Filter Adapter Removal
  15. Oil Pan Removal
  16. Oil Pump Removal
  17. Balance Shaft Housing Removal
  18. Piston, Connecting Rod, and Bearing Removal
  19. Crankshaft Rear Oil Seal and Housing Removal
  20. Crankshaft and Bearing Removal
  21. Engine Block Plug Removal
  22. Engine Block Cleaning and Inspection
  23. Crankshaft Balancer Cleaning and Inspection
  24. Engine Flywheel Cleaning and Inspection
  25. Cylinder Boring and Honing
  26. Crankshaft and Bearings Clean and Inspect (Inspection)
  27. Crankshaft and Bearings Clean and Inspect (Bearing Selection)
  28. Piston and Connecting Rod Disassemble
  29. Piston, Connecting Rod, and Bearing Cleaning and Inspection
  30. Piston Selection
  31. Piston and Connecting Rod Assemble
  32. Camshaft and Housing Cleaning and Inspection
  33. Camshaft Timing Chain and Sprocket Cleaning and Inspection
  34. Cylinder Head Disassemble
  35. Cylinder Head Cleaning and Inspection
  36. Valve Guide Reaming, and Valve and Seat Grinding
  37. Cylinder Head Assemble
  38. Oil Pump Disassemble
  39. Oil Pump Cleaning and Inspection
  40. Oil Pump Assemble
  41. Engine Front Cover Cleaning and Inspection
  42. Intake Manifold Cleaning and Inspection
  43. Exhaust Manifold Cleaning and Inspection
  44. Oil Pan Cleaning and Inspection
  45. Balance Shaft Cleaning and Inspection
  46. Service Prior to Assembly
  47. Engine Block Plug Installation
  48. Crankshaft and Bearing Installation
  49. Crankshaft Rear Oil Seal and Housing Installation
  50. Piston, Connecting Rod, and Bearing Installation
  51. Balance Shaft Housing Installation
  52. Oil Pump Installation
  53. Balance Shaft to Engine Timing
  54. Cylinder Head Installation
  55. Intake Camshaft, Housing and Lifter Installation
  56. Exhaust Camshaft, Housing and Lifter Installation
  57. Timing Chain Housing Installation
  58. Water Pump Installation
  59. Camshaft Timing Chain, Sprocket, and Tensioner Installation
  60. Crankshaft Front Cover Oil Seal Installation
  61. Engine Front Cover Installation
  62. Oil Pan Installation
  63. Oil Filter Adapter Installation
  64. Intake Manifold Installation
  65. Crankshaft Balancer Installation
  66. Exhaust Manifold Installation
  67. Oil Level Indicator and Tube Installation
  68. Engine Flywheel Installation
  69. Engine Set-Up and Testing
  70. Thread Repair