INTRODUCTION 13 Aftertreatment Outlet NOx Aftertreatment Intake NOx EGR Differential Pressure Ambient Air Temperature (AAT) Aftertreatment DEF Tank Heater Aftertreatment DEF Tank Heater Valve Aftertreatment DEF Tank Temperature Sensor Aftertreatment DEF Level Sensor Aftertreatment DEF Heated Lines 18 SCR Aftertreatment Selective Catalytic Reduction (SCR) Catalyst Aftertreatment Diesel Exhaust Fluid (DEF) Pump Aftertreatment DEF Dosing Absolute Pressure Sensor Aftertreatment DEF Return Valve Aftertreatment DEF Dosing Valve Aftertreatment DEF Tank Aftertreatment DEF Tank Heater/Sender 19.
Instrument Cluster (Repair of microprocessor , OBD MIL, Real Time Clock, Aftertreatment DEF Tank Gauge and, Aftertreatment DEF Tank Low Level Indicator) 20. Exhaust Gas Piping (from Turbocharger to Aftertreatment System ) 21. Data Link Connector (DLC) ENGINE GASEOUS EMISSIONS CONTROL SYSTEM WARRANTY The emission warranty for the diesel particulate filter (DPF) and SCR System covers defects in workmanship only. Normal maintenance, such as cleaning ash from the filter at regular maintenance intervals and cleaning the aftertreatment fuel injector on Diesel oxidation catalyst (DOC) DPF systems, is not covered by the emission warranty.
With the Thermal regenerator DPF system, cleaning the ignition electrodes and fuel injection nozzle at the regular maintenance intervals is considered normal maintenance and not covered by the emission warranty. Note: In response to customer requests, Mack Trucks, Inc. may build vehicles with engines supplied by other manufacturers. In these cases, each engine manufacturer through its service organization, is responsible for emission control systems warranty on all parts of the engine assembly, as furnished.