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