GM Service Manual Online
For 1990-2009 cars only

In order to overhaul, following the sequence below.

  1. Draining Fluids and Oil Filter Removal
  2. Crankshaft Balancer Removal
  3. Engine Flywheel Removal
  4. Clutch Pilot Bearing Removal
  5. Oil Level Indicator and Tube Removal
  6. Exhaust Manifold Removal
  7. Exhaust Manifold Removal
  8. Water Pump Removal
  9. Throttle Body Removal
  10. Fuel Rail and Injectors Removal
  11. Intake Manifold Removal
  12. Coolant Air Bleed Pipe Removal
  13. Engine Valley Cover Removal
  14. Valve Rocker Arm Cover Removal
  15. Valve Rocker Arm Cover Removal
  16. Valve Rocker Arm and Push Rod Removal
  17. Cylinder Head Removal (Left Side)
  18. Cylinder Head Removal (Right Side)
  19. Valve Lifter Removal
  20. Oil Filter, Adapter, and Pan Cover Removal
  21. Oil Pan Removal
  22. Engine Front Cover Removal
  23. Engine Rear Cover Removal
  24. Oil Pump, Screen and Crankshaft Oil Deflector Removal
  25. Timing Chain and Sprockets Removal
  26. Camshaft Removal
  27. Piston, Connecting Rod, and Bearing Removal
  28. Crankshaft and Bearings Removal
  29. Engine Block Plug Removal
  30. Engine Block Cleaning and Inspection
  31. Cylinder Boring and Honing
  32. Crankshaft and Bearings Clean and Inspect
  33. Crankshaft Balancer Cleaning and Inspection
  34. Engine Flywheel Clean and Inspect
  35. Piston and Connecting Rod Disassemble
  36. Piston, Connecting Rod, and Bearing Cleaning and Inspection
  37. Piston Selection
  38. Piston and Connecting Rod Assemble
  39. Camshaft Bearing Removal
  40. Camshaft and Bearings Cleaning and Inspection
  41. Camshaft Bearing Installation
  42. Timing Chain and Sprockets Clean and Inspect
  43. Valve Rocker Arm and Push Rods Clean and Inspect
  44. Valve Lifters and Guides Clean and Inspect
  45. Cylinder Head Disassemble
  46. Cylinder Head Cleaning and Inspection
  47. Valve Guide Reaming, and Valve and Seat Grinding
  48. Cylinder Head Assemble
  49. Oil Pump Disassemble
  50. Oil Pump Clean and Inspect
  51. Oil Pump Assemble
  52. Engine Front Cover Clean and Inspect
  53. Engine Rear Cover Clean and Inspect
  54. Engine Valley Cover Clean and Inspect
  55. Valve Rocker Arm Cover Cleaning and Inspection
  56. Oil Pan Cleaning and Inspection
  57. Intake Manifold Cleaning and Inspection
  58. Exhaust Manifold Cleaning and Inspection
  59. Coolant Air Bleed Pipe Cleaning and Inspection
  60. Water Pump Cleaning and Inspection
  61. Service Prior to Assembly
  62. Engine Block Plug Installation
  63. Crankshaft and Bearings Installation
  64. Piston, Connecting Rod, and Bearing Installation
  65. Camshaft Installation
  66. Timing Chain and Sprockets Installation
  67. Oil Pump, Screen and Crankshaft Oil Deflector Installation
  68. Engine Rear Cover Installation
  69. Crankshaft Rear Oil Seal Installation
  70. Engine Front Cover Installation
  71. Crankshaft Front Cover Oil Seal Installation
  72. Oil Pan Installation
  73. Oil Filter, Adapter, and Pan Cover Installation
  74. Valve Lifter Installation
  75. Cylinder Head Installation
  76. Cylinder Head Installation
  77. Valve Rocker Arm and Push Rod Installation
  78. Valve Rocker Arm Cover Installation
  79. Valve Rocker Arm Cover Installation
  80. Engine Valley Cover Installation
  81. Coolant Air Bleed Pipe Installation
  82. Intake Manifold Installation
  83. Fuel Rail and Injectors Installation
  84. Throttle Body Installation
  85. Water Pump Installation
  86. Exhaust Manifold Installation
  87. Exhaust Manifold Installation
  88. Oil Level Indicator and Tube Installation
  89. Clutch Pilot Bearing Installation
  90. Engine Flywheel Installation
  91. Crankshaft Balancer Installation
  92. Engine Set-Up and Testing
  93. Thread Repair