6.7L Cummins Exhaust System – Aftertreatment Inlet and Outlet – Disassemble

Remove the exhaust gas temperature sensor from the boss in the inlet and/or outlet, if necessary. Refer to
Procedure 019-449(Aftertreatment Exhaust Gas Temperature Sensor) in the Troubleshooting and Repair
Manual, CM2150 Electronic Control System, ISB, ISC, ISL, ISLe, ISDe and QS83.3 Engines, Bulletin 4021570.