2017-2020 Navistar International HX Series Technician Service and Diagnostic Manual – PDF

Description

Complete Factory Service & Diagnostic Information for International HX Series Trucks

This is the comprehensive 2017-2020 Navistar International HX Series Technician Service and Diagnostic Manual, a factory-level resource designed for professional technicians. This manual provides the exact specifications, procedures, and diagnostic routines used by authorized service centers to maintain and repair the HX515, HX520, HX615, and HX620 models. It is an essential tool for anyone servicing these heavy-duty vocational trucks, covering the wide range of systems and components that make up the vehicle.

File Details

• Manual Type: Factory Technician Service and Diagnostic Manual
• Applicable Brands & Models: Navistar International HX515, HX520, HX615, HX620 (2017-2020)
• Language: English
• Page Count: 1,050+ Pages
• File Format: PDF

What This Manual Contains

This manual is structured to provide a logical and systematic approach to vehicle diagnosis and repair. It is divided into major sections covering the entire truck, from the front bumper to the rear wheels. The depth of information makes it suitable for a wide range of tasks, from routine maintenance to complex troubleshooting of electronic control systems.

The core of the manual begins with extensive diagnostic procedures for the 12-volt electrical system, covering the battery, CAN systems, starting and charging circuits, and comprehensive troubleshooting trees for ‘no start’ and charging system faults. A significant portion is dedicated to the aftertreatment system, including the DPF, SCR, and DEF components, with specific guidance on regeneration and switch operation.

• Air Brakes: Detailed coverage of Bendix anti-lock brake systems (ABS), including EC-80 controllers, modulator valves, wheel speed sensors, and electronic stability control (ESP).
• Steering: Comprehensive chapters on the tilting/telescoping steering column, clock spring, and Sheppard M-Series integral power steering gears.
• Driveline: Vibration troubleshooting procedures, driveshaft inspection, and universal joint service for 6×4 and 8×6 configurations.
• Engine & Exhaust: Operation and troubleshooting of the engine compression brake, including the Jacobs system for N13 engines and Cummins Interbrake. It also details the removal and installation of the switchback horizontal/vertical aftertreatment systems, the DEF dosing valve, and related components.
• Electrical & Lighting: In-depth diagnostic guides for the 12-volt system, covering the Battery Box, Battery Disconnect Switch, CAN Systems, Starting and Charging System, and detailed symptom-based troubleshooting for lighting systems (headlights, fog lights, turn/brake lights, park/marker lights).
• HVAC System: Comprehensive coverage of the Blend-Air system, including blower motor control, compressor clutch control, high and low-side refrigerant pressure testing, and diagnostics for the APADS system.
• Transmission: Information on Allison Automatic Transmissions, including push-button shift controls, PTO controls, and troubleshooting procedures for powers, grounds, and data link.
• Windshield Wiper System: Step-by-step diagnostic procedures for wiper inputs, speeds, relays, and the washer pump, complete with pin-point tests and fault code diagnostics.
• Collision Avoidance Systems: Detailed service and adjustment information for Bendix Wingman Advanced, including radar sensor removal, installation, and adjustment.

Why This Manual is Essential

Having this Navistar International HX Series Service Manual gives you direct access to the same information used by professional dealers. It enables you to accurately diagnose complex electrical and electronic faults, perform repairs with confidence using the correct torque specifications and procedures, and maintain your vehicles to the highest standard. This reduces diagnostic time and prevents costly mistakes that can occur when working without the proper guidance.

The manual includes wiring diagrams, connector pin-outs, torque specifications, and thousands of technical details that are critical for any repair. This is not a generic guide; it is the definitive factory document for these specific models.

Instant Digital Delivery

Upon purchase, you will receive immediate access to a downloadable PDF file. This digital format allows you to search for specific terms, zoom in on detailed diagrams, and easily print only the pages you need for a particular job. It is compatible with any computer, tablet, or mobile device, ensuring you have the information you need wherever you are working.