Inspection of the Aftertreatment System

Inspection of the Aftertreatment System - Gen 5 DD15 - Ops - #7628

Inspect the Aftertreatment System (ATS) as recommended using the appropriate engine duty cycle; see Preventive Maintenance Tables.

Inspect the aftertreatment system as follows:

  1. Check the aftertreatment and exhaust pipes for damage or restrictions.

  2. Inspect the aftertreatment inlet and outlet pipes for leaks.

  3. Inspect the aftertreatment for signs of fluid leaks.

Note: If any of the above conditions exist it may be necessary to take the vehicle to an authorized Detroit™ service outlet.
Note:
Parent topic: Inspection of the Aftertreatment System
Document Number: 0000009779
Manual Publication Date: 2025-08-26
Topic Publication Date: 2026-02-05