GM Service Manual Online
For 1990-2009 cars only

To disassemble, overhaul, repair or assemble the 6.5L Diesel engine, use the Disassembly, Overhaul, Repair and Assembly sequence listed below.

  1. Accessory Removal
  2. Engine Flywheel Removal
  3. Clutch Pilot Bearing Removal
  4. Oil Fill Tube Removal
  5. Oil Level Indicator and Tube Removal
  6. Engine Coolant Thermostat Removal
  7. Intake Manifold Removal
  8. Intake Manifold Removal
  9. Intake Manifold Removal
  10. Engine Wiring Harness Assembly Removal
  11. Turbocharger Removal
  12. Oil Pump Drive Removal
  13. Exhaust Manifold Removal (L65)
  14. Water Pump Removal
  15. Fuel Injection Pump Removal
  16. Crankshaft Balancer Removal
  17. Engine Front Cover Removal
  18. Timing Chain Wear Check
  19. Timing Chain and Camshaft Sprocket Removal
  20. Valve Rocker Arm Cover Removal
  21. Valve Rocker Arm, Shaft, and Push Rod Removal
  22. Cylinder Head Removal
  23. Valve Lifter Removal
  24. Camshaft Removal
  25. Oil Pan Removal
  26. Oil Pump Removal
  27. Piston, Connecting Rod, and Bearing Removal
  28. Crankshaft Rear Oil Seal Removal
  29. Crankshaft and Bearings Removal
  30. Camshaft Bearing Removal
  31. Oil Filter Adapter Removal
  32. Engine Block Plug Removal
  33. Piston Oil Cooling Nozzle Removal
  34. Engine Block Cleaning and Inspection
  35. Cylinder Boring and Honing
  36. Crankshaft and Bearing Cleaning and Inspection
  37. Crankshaft Balancer Clean and Inspect
  38. Engine Flywheel Clean and Inspect
  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. Camshaft and Bearings Cleaning and Inspection
  44. Timing Chain and Sprockets Clean and Inspect
  45. Valve Rocker Arm and Shaft Disassemble
  46. Valve Rocker Arm and Shaft Clean and Inspect
  47. Valve Rocker Arm and Shaft Assemble
  48. Valve Lifters and Guides Clean and Inspect
  49. Cylinder Head Disassemble
  50. Cylinder Head Cleaning and Inspection
  51. Valve Guide Reaming/Valve and Seat Grinding
  52. Cylinder Head Assemble
  53. Oil Pump Disassemble
  54. Oil Pump Clean and Inspect
  55. Oil Pump Assemble
  56. Engine Front Cover Clean and Inspect
  57. Valve Rocker Arm Cover Clean and Inspect
  58. Oil Pan Clean and Inspect
  59. Intake Manifold Clean and Inspect
  60. Exhaust Manifold Clean and Inspect
  61. Water Pump Clean and Inspect
  62. Fuel Injection Pump Clean and Inspect
  63. Service Prior to Assembly
  64. Piston Oil Cooling Nozzle Installation
  65. Engine Block Plug Installation
  66. Oil Filter Adapter Installation
  67. Camshaft Bearing Installation
  68. Crankshaft and Bearings Installation (L65)
  69. Crankshaft Rear Oil Seal Installation
  70. Piston, Connecting Rod, and Bearing Installation
  71. Oil Pump Installation
  72. Oil Pan Installation
  73. Camshaft Installation
  74. Valve Lifter Installation
  75. Cylinder Head Installation
  76. Valve Rocker Arm, Shaft, and Push Rod Installation
  77. Valve Rocker Arm Cover Installation
  78. Timing Chain and Sprockets Installation
  79. Engine Front Cover Installation
  80. Crankshaft Balancer Installation
  81. Fuel Injection Pump Installation
  82. Water Pump Installation
  83. Exhaust Manifold Installation (L65)
  84. Oil Pump Drive Installation
  85. Turbocharger Installation
  86. Engine Wiring Harness Assembly Installation
  87. Intake Manifold Installation
  88. Intake Manifold Installation
  89. Intake Manifold Installation (Upper-L65)
  90. Engine Coolant Thermostat Installation
  91. Oil Level Indicator and Tube Installation
  92. Oil Fill Tube Installation
  93. Clutch Pilot Bearing Installation
  94. Engine Flywheel Installation
  95. Accessory Installation
  96. Engine Set-Up and Testing
  97. Thread Repair