GM Service Manual Online
For 1990-2009 cars only

In order to overhaul, follow the sequence below.

  1. Engine Flywheel Removal
  2. Intake Plenum Removal
  3. Intake Manifold Removal
  4. Intake Manifold Flange Removal
  5. Water Inlet Removal
  6. Water Crossover Removal
  7. Exhaust Manifold Removal
  8. Crankcase Vent Housing Removal
  9. Drive Belt Removal
  10. Drive Belt Tensioner Removal
  11. Crankshaft Balancer Removal
  12. Timing Belt Cover Removal
  13. Timing Belt Removal
  14. Camshaft Cover Removal
  15. Camshaft Drive Sprocket Removal
  16. Timing Belt Tensioner Pulley Removal
  17. Water Pump Removal
  18. Engine Rear Cover Removal
  19. Engine Coolant Thermostat Replacement in Engine Cooling.
  20. Oil Pan Removal
  21. Oil Pump Replacement
  22. Camshaft Removal
  23. Cylinder Head Removal
  24. Engine Oil Cooler Removal
  25. Crankshaft and Bearing Removal
  26. Piston, Connecting Rod, and Bearing Removal
  27. Engine Block Cleaning and Inspection
  28. Cylinder Boring and Honing
  29. Crankshaft and Bearing Cleaning and Inspection
  30. Piston and Connecting Rod Disassemble
  31. Piston, Connecting Rod, and Bearing Cleaning and Inspection
  32. Piston Selection
  33. Piston and Connecting Rod Assemble
  34. Camshaft and Bearings Cleaning and Inspection
  35. Cylinder Head Disassemble
  36. Cylinder Head Cleaning and Inspection
  37. Valve Guide Reaming, and Valve and Seat Grinding
  38. Cylinder Head Assemble
  39. Engine Rear Cover Cleaning and Inspection
  40. Oil Pan Cleaning and Inspection
  41. Exhaust Manifold Cleaning and Inspection
  42. Water Pump Cleaning and Inspection
  43. Oil Cooler Cleaning and Inspection
  44. Service Prior to Assembly
  45. Crankshaft and Bearing Installation
  46. Piston, Connecting Rod, and Bearing Installation
  47. Crankshaft Rear Oil Seal Installation
  48. Engine Oil Cooler Installation
  49. Cylinder Head Installation
  50. Camshaft Installation
  51. Oil Pump Installation
  52. Oil Pan Installation
  53. Engine Coolant Thermostat Installation
  54. Engine Rear Cover Installation
  55. Water Pump Installation
  56. Timing Belt Tensioner Pulley Installation
  57. Camshaft Drive Sprocket Installation
  58. Timing Belt Installation
  59. Timing Belt Cover Installation
  60. Camshaft Cover Installation
  61. Crankshaft Balancer Installation
  62. Drive Belt Tensioner Installation
  63. Drive Belt Installation
  64. Crankcase Vent Housing Installation
  65. Exhaust Manifold Installation
  66. Water Crossover Installation
  67. Intake Manifold Flange Installation
  68. Intake Manifold Installation
  69. Intake Plenum Installation
  70. Engine Flywheel Installation
  71. Engine Set-Up and Testing