Deere Powertech 6.8L, 8.1L Level 3 Fuel System (Bosch) Repair Manual


Covers: John Deere Powertech 6.8L, 8.1L Level 3 Electronic Fuel System with Bosch In-Line Pump
Pages: 592
Format: PDF file
File size: 7mb
Compatibility: Windows/Mac/Tablet
Notes: Instant digital download only – no printed copy or CD-ROM media.

With this purchase you will receive a PDF service manual that includes detailed step-by-step instructions and illustrations on how to maintain, overhaul, service and repair your John Deere Powertech 6.8L, 8.1L Level 3 Electronic Fuel System. This manual is a must for all John Deere Powertech 6.8L, 8.1L Level 3 Electronic Fuel System owners, operators and mechanics. This file does not have any restrictions. View it on your computer/tablet or print out any pages you need within minutes.


  • General Information
  • System Operation
  • Fuel System Repair and Adjustments
  • Engine Control Repair and Adjustments
  • Air System Repair and Adjustments
  • Fuel System Diagnostics, Tests, Codes
  • Engine Control Diagnostics, Tests, Codes
  • Air System Diagnostics, Tests, Codes
  • Service Tools
  • Specifications
  • Wiring Diagrams

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


Fuel System — General Information
Relieve Fuel System Pressure
Replace Rectangular Fuel Filter Element
Replace Fuel Filter Check Valve
Replace Primary (Round) Fuel Filter/Water Separator
Identification of Fuel Supply Pumps
Remove Fuel Supply Pump
Inspect Fuel Supply Pump
Install Fuel Supply Pump
Service Injection Pump Overflow Valve.
Identification of In-Line Fuel Injection Pumps
Service of Fuel Injection Pumps
Remove Fuel Injection Pump
Install Fuel Injection Pump
Remove Fuel Injection Nozzles
Test Fuel Injection Nozzles
Perform Opening Pressure Test
Injection Nozzle Opening Pressure
Perform Nozzle Leakage Test
Perform Chatter and Spray Pattern Test
Disassemble Fuel Injection Nozzle
Clean and Inspect Fuel Injection Nozzle Assembly
Clean Spray Orifices
Inspect Nozzle Holder
Inspect Gland Nut
Assemble Fuel Injection Nozzle
Inspect and Clean Cylinder Head Nozzle Bore
Inspect and Clean Nozzle Seating Surface
Install Fuel Injection Nozzles


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