Duramax 6.6L L5D Engine Service Manual


Covers: International/Duramax 6.6L with L5D engine code

  • Equipped in Chevy Silverado medium duty and International CV trucks

Pages: 969
Format: PDF download
File size: 21mb
Compatibility: Windows/Mac/Mobile
Note: Instant digital download only – no printed copy or CD-ROM media.

This downloadable PDF service manual provides detailed mechanical service and overhaul information for 2019+ Duramax 6.6 engines with L5D code. The service manual is also referred to as the repair manual or workshop manual and can be viewed on your smartphone, tablet or computer.

Dated Feb. 2020. Diagnostic/DTC code manual sold separately.


  • Safety
  • Engine Description and Identification
  • Engine Removal and Installation
  • Engine Stand Mounting
  • Engine Mount Replacement
  • Air Compressor Bracket
  • Cylinder Head, Camshaft and Valve Train
  • Crankshaft
  • Connecting Rods and Pistons
  • Engine Electrical
  • EGR System
  • Exhaust Manifold
  • DOC
  • Turbocharger
  • Flywheel and Flywheel Housing
  • Front Cover, Fan Drive, Cooling System, and Related Components
  • Fuel System
  • Intake & Turbo System
  • Oil Cooler, Filter Housing, and Crankcase Ventilation System
  • Oil Pump, Pan and Oil Pickup Tube
  • Torque Specs
  • Engine Specifications
  • And Much More…

How does this work?

It’s simple – after purchasing this manual through our secure checkout, a download link will be sent to the email address you specify at checkout. You have up to 90 days to retrieve and save the file. Once saved, the manual is yours for good.

Have any questions or need more details? Contact Us

SKU: DURAMAX66-SM Categories: , Tags: ,

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