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Summary of Changes Section Updated Description Engine Systems Inserted updated Engine Systems section taken from 0000002161R9 Inlet Air Heater System • Installation procedure updated to reflect correct installation of the IAHFI in the air intake throttle duct. Engine Electrical Added following new sections: •...
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® Navistar N13 Engine Brake by Jacobs................383 Cylinder Head, Camshaft and Valve Train.
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ENGINE SERVICE MANUAL Appendix A – Specifications..................537 Appendix B –...
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(EPA 10) ® This Engine Service Manual provides a general Navistar N13 with SCR Hard Start and No Start sequence of procedures for out-of-chassis engine Diagnostics Form (EPA 10) overhaul (removal, inspection, and installation). For N13 with SCR Performance Diagnostics Form...
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ENGINE SERVICE MANUAL Service Diagnosis • Knowledge of the principles of operation for engine application and engine systems. Service diagnosis is an investigative procedure that • Knowledge to understand and do procedures in must be followed to find and correct an engine diagnostic and service publications.
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ENGINE SERVICE MANUAL Safety Information • Do not wear rings, watches or other jewelry. • Restrain long hair. This manual provides general specific maintenance procedures essential for reliable engine Vehicle operation and your safety. Since many variations in • Shift transmission to park or neutral, set parking procedures, tools, and service parts are involved, brake, and block wheels before doing diagnostic advice for all possible safety conditions and hazards...
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ENGINE SERVICE MANUAL • Protect your eyes. • Check for frayed or damaged power cords before using power tools. • Do not expose batteries to flames or sparks. Fluids Under Pressure • Do not smoke in workplace. • Use extreme caution when working on systems Compressed Air under pressure.
Engine family, model, and displacement • Advertised brake horsepower and torque rating Engine Serial Number Codes • Emission family and control systems 126 – N13 with SCR engines H – Diesel, turbocharged, Charge Air Cooler (CAC), • Valve lash specifications and electronically controlled •...
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ENGINE SYSTEMS ® • Navistar 1087 kgs (2392 lbs) Firing order 1-5-3-6-2-4 Engine rotation direction (facing flywheel) Counterclockwise Aspiration Dual turbocharged and charge air cooled Combustion system Direct injection turbocharged Fuel system High-pressure common rail Lube system capacity (including filter) 40 L (42 qts) ®...
® Navistar N13 engines also use an engine oil cooler • 2016: All engines must be fully HD-OBD certified. and a cartridge-style engine oil filter, which are installed in the engine lube oil module.
Engine Brake by Jacobs is optional Temperature (DPFIT) sensor positioned at the ® for Navistar N13 engine displacements. The engine DPF inlet. brake is a compression release system that provides • The DPF temporarily stores carbon-based additional vehicle braking performance. The operator...
ENGINE SYSTEMS Air Management System Figure 3 Air Management System Exhaust Gas Recirculation Intake Manifold Temperature 11. Low Pressure (LP) turbocharger Temperature (EGRT) sensor (IMT) sensor 12. Exhaust Back Pressure Valve Intake Manifold Pressure (IMP) EGR valve (EBPV) sensor Turbocharger 2 Compressor 13.
ENGINE SYSTEMS Airflow During cold weather, the Inlet Air Heater system activates the heater element, vaporizing and igniting Air flows through the air filter assembly and enters small quantities of fuel into the air inlet duct. the Low-Pressure (LP) turbocharger. The LP turbocharger increases air pressure and temperature After combustion, exhaust gases exit through the...
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11. HP turbocharger compressor HP turbocharger LP turbocharger compressor outlet outlet ® Navistar N13 engines are equipped with a Throttle Valve (ETV) and the intake throttle duct. This pneumatically regulated two-stage turbocharger system provides high charge air pressure to improve system.