Check a VIN

July 2, 2025 Service bulletin

A required spacer tool set is now available to streamline the injector replacement process

Kenworth technical service bulletin E323 for 2025 Kenworth T680, 2025 Peterbilt 579 and 2025 Kenworth T880 and others.

Bulletin number
E323 (E323)
Component
Engine
Summary
A required spacer tool set is now available to streamline the injector replacement process. The spacer tool set allows certain fuel system components to be loosened instead of removed to provide access to the injectors. See Bulletin 98-031 for details. Tools are not reimbursable through this Bulletin.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Kenworth T680?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history