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