GM Service Manual Online
For 1990-2009 cars only

In order to overhaul, follow the sequence below.

  1. Exhaust Manifold Removal
  2. Exhaust Manifold Removal
  3. Exhaust Manifold Removal
  4. Crankshaft Balancer Removal
  5. Engine Flywheel Removal
  6. Crankshaft Rear Oil Seal Removal
  7. Intake Manifold Removal
  8. Water Crossover Removal
  9. Ignition Coil Module Removal
  10. Ignition Coil Module Removal
  11. Camshaft Cover Removal
  12. Camshaft Cover Removal
  13. Water Pump Removal
  14. Crankshaft Front Oil Seal Removal
  15. Engine Front Cover Removal
  16. Primary Camshaft Drive Chain Removal
  17. Primary Camshaft Drive Chain Guide Removal
  18. Primary Camshaft Drive Chain Guide Removal
  19. Secondary Camshaft Drive Chain Removal
  20. Secondary Camshaft Drive Chain Removal
  21. Camshaft Removal
  22. Camshaft Removal
  23. Cylinder Head Removal
  24. Cylinder Head Removal
  25. Balance Shaft Cover Removal
  26. Balance Shaft Removal
  27. Oil Pan Removal
  28. Oil Pump Suction Pipe and Screen Assembly Removal
  29. Oil Pump Removal
  30. Lower Crankcase Removal
  31. Piston, Connecting Rod, and Bearing Removal
  32. Crankshaft and Bearing Removal
  33. Engine Block Disassemble
  34. Engine Block Disassemble
  35. Engine Block Cleaning and Inspection
  36. Crankshaft and Bearing Cleaning and Inspection
  37. Crankshaft Balancer Cleaning and Inspection
  38. Engine Flywheel Cleaning and Inspection
  39. Piston and Connecting Rod Disassemble
  40. Piston, Connecting Rod, and Bearing Cleaning and Inspection
  41. Piston Selection
  42. Piston and Connecting Rod Assemble
  43. Balance Shaft Cleaning and Inspection
  44. Balance Shaft Cover Cleaning and Inspection
  45. Cylinder Head Disassemble
  46. Cylinder Head Cleaning and Inspection
  47. Valve Spring Inspection and Measurement
  48. Valve and Seat Grinding
  49. Cylinder Head Assemble
  50. Camshaft Cleaning and Inspection
  51. Valve Train Components Clean and Inspect
  52. Oil Pump Disassemble
  53. Oil Pump Cleaning and Inspection
  54. Oil Pump Assemble
  55. Oil Pan Cleaning and Inspection
  56. Engine Front Cover Cleaning and Inspection
  57. Camshaft Cover Disassemble
  58. Camshaft Cover Cleaning and Inspection
  59. Camshaft Cover Assemble
  60. Intake Manifold Disassemble
  61. Intake Manifold Cleaning and Inspection
  62. Intake Manifold Assemble
  63. Exhaust Manifold Cleaning and Inspection
  64. Exhaust Manifold Cleaning and Inspection
  65. Water Pump Cleaning and Inspection
  66. Water Crossover Disassemble
  67. Water Crossover Cleaning and Inspection
  68. Water Crossover Assemble
  69. Thread Repair
  70. Service Prior to Assembly
  71. Engine Block Assemble
  72. Engine Block Assemble
  73. Crankshaft and Bearing Installation
  74. Piston, Connecting Rod, and Bearing Installation
  75. Lower Crankcase Installation
  76. Oil Pump Installation
  77. Oil Pump Suction Pipe and Screen Assembly Installation
  78. Oil Pan Installation
  79. Balance Shaft Installation
  80. Balance Shaft Cover Installation
  81. Cylinder Head Installation
  82. Cylinder Head Installation
  83. Camshaft Installation
  84. Camshaft Installation
  85. Secondary Camshaft Drive Chain Installation
  86. Secondary Camshaft Drive Chain Installation
  87. Primary Camshaft Drive Chain Guide Installation
  88. Primary Camshaft Drive Chain Guide Installation
  89. Primary Camshaft Drive Chain Installation
  90. Water Pump Installation
  91. Engine Front Cover Installation
  92. Crankshaft Front Oil Seal Installation
  93. Camshaft Cover Installation
  94. Camshaft Cover Installation
  95. Ignition Coil Module Installation
  96. Ignition Coil Module Installation
  97. Water Crossover Installation
  98. Intake Manifold Installation
  99. Crankshaft Rear Oil Seal Installation
  100. Engine Flywheel Installation
  101. Crankshaft Balancer Installation
  102. Exhaust Manifold Installation
  103. Exhaust Manifold Installation
  104. Exhaust Manifold Installation