🏷️ Basic Information Identification Make: Navistar Model: DuraStar Year: 2015 Sub Model: Radiator / Cooling System Specific Codes Chassis Code: Unknown (Specific to DuraStar platform) Engine Code: Not explicitly stated, but implies engines within the 2015 DuraStar range. 👋 Introduction Market Position Vehicle Segment: Commercial Medium-Duty Truck Manufacturer Positioning: Navistar is a well-established manufacturer of commercial vehicles known for durability and performance. Competitive Analysis Competitors: Other medium-duty truck manufacturers such as Freightliner (e.g., M2), International (other models), Peterbilt, Kenworth. Key Features Manual Value Proposition: Inexpensive way to keep the vehicle working properly, providing detailed factory-level repair information. Instant Download: Provided as an instant download, eliminating waiting time. 📋 Manual Details Coverage Areas Primary Focus: Radiator and Cooling System Service and Repair Secondary Focus: Fan Drive Systems (Horton, Borg-Warner) Page Count Estimated Page Count: Unknown (Described as '100 percents complete and intact', suggesting comprehensive content). Manual Type Manual Type: Factory Service Repair Workshop Manual Language Language: English Format File Format: PDF Compatibility: All PC-based Windows operating systems and Mac Additional Requirements: Adobe PDF Reader & WinZip 📖 Manual Coverage Systems Covered Cooling System Components: Radiator, coolant hoses, thermostat, water pump, coolant reservoir, radiator cap, heater core (implied). Fan Drive Systems: Horton DriveMaster Advantage (DMA) Fan Drive System, Borg-Warner Visctronic Fan Drive System, Horton DriveMaster VS217 Fan Drive Assembly System, Borg-Warner SA85 Viscous Fan Drive Assembly System, Borg-Warner Series 790 Viscous Fan Drive Assembly System. Procedures Included Disassembly Assembly: Complete dis-assembly and reassembly of the radiator and cooling system components. Maintenance: Cooling package cleaning procedures. Inspection: Inspection procedures for cooling system components. Diagnostics: Diagnostic procedures for various fan drive systems, general cooling system diagnostics. Removal Installation: Detailed removal and installation procedures for radiator and cooling system components. Technical Depth Depth Level: Highly detailed, factory-level technical information. Documentation Style: Step-by-step instructions with detailed illustrations and hundreds of photos. Target Audience: Do-it-yourself-er and experienced mechanic. Torque Specifications: Manual provides torque specifications, which are critical for ensuring proper assembly and preventing leaks or component damage. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text within PDF (standard for quality manuals). Print Quality Printability: All pages are printable. Binding Type Binding Type: Digital (PDF download - no physical binding). Paper Type Paper Type: Not applicable (digital format). Technical References Abbreviations Acronyms: Manual includes a dedicated section for abbreviations and acronyms, crucial for understanding technical jargon. Terminology: Manual includes a section on terminology, defining specific terms used in the repair and maintenance of the cooling system. ⚙️ Engine Specifications Primary Engine Engine Family: Navistar DuraStar typically uses proprietary or commonly shared diesel engines from Navistar's range. Specific engine options are not detailed in the product description but would likely include MaxxForce diesel engines or similar commercial-grade powerplants. Performance Horsepower Range: Typical for medium-duty trucks, likely ranging from 200-300+ HP, depending on specific engine option. Torque Range: Typically in the range of 500-700+ lb-ft, depending on specific engine option. Fuel System Fuel Type: Diesel Emission Systems: Likely includes modern diesel emission control systems (e.g., EGR, DPF, SCR) which can impact cooling system demands. 🔧 Transmission Standard Transmission Type: Various automatic and manual transmissions are available for the DuraStar platform. Common options include Allison automatic transmissions (e.g., 1000, 2000 series) or manual transmissions from manufacturers like Eaton. Optional Optional Transmissions: Details vary by specific configuration; manual transmissions and other automatic options may be available. Features Transmission Cooling: Some heavy-duty applications may have dedicated transmission fluid coolers that integrate with or are influenced by the main engine cooling system. 📐 Dimensions Exterior Chassis Type: Class 4-7 Medium-Duty Truck Chassis Wheelbase: Variable depending on application and body configuration. Manual would not specify exact dimensions but provide guidelines for component clearances. Weights Gvwr Range: Gross Vehicle Weight Rating typically ranges from 14,500 lbs to 33,000 lbs for this class of truck. 🛡️ Safety Features Ratings Crash Test Ratings: Commercial trucks are regulated differently than passenger vehicles. Safety is primarily ensured through compliance with FMVSS (Federal Motor Vehicle Safety Standards) and specific industry standards. Active Features Active Safety Systems: While not a primary focus of this manual, proper cooling system function is critical for safe operation, preventing overheating and potential component failure. Passive Features Passive Safety Features: The cooling system itself, when functioning correctly, contributes to overall vehicle reliability and safety by preventing thermal runaway. 💡 Technology Features Infotainment Infotainment Systems: Not relevant to this specific manual, which focuses on mechanical systems. Driver Assistance Driver Assistance Features: Not relevant to this specific manual. Connectivity Connectivity Options: Not relevant to this specific manual. Diagnostic Tools Diagnostic Interface: While the manual covers diagnostics, it focuses on procedures rather than specific electronic diagnostic tools (e.g., scan tools like Navistar's own J1939 interface or generic OBD-II scanners, though this manual is likely focused on mechanical diagnostics and specific system troubleshooting. 🔧 Maintenance Service Intervals...