The 2013 Navistar PayStar and 9900 Radiator/Cooling System Service Repair Workshop Manual provides comprehensive, detailed instructions for servicing and repairing the cooling system of these trucks. This manual is designed for both experienced mechanics and DIY enthusiasts, offering step-by-step guidance through every procedure. It features clear illustrations and photos that accompany each instruction, making it easy to understand even complex tasks.

The manual covers a wide range of topics related to the cooling system, including:

* **Description of components:** Learn about the functions and construction of each part of the cooling system, including the deaeration tank, fan shroud, A/C condenser, transmission oil cooler, radiator, charge air cooler, low-temperature radiator, and fan drive.
* **Removal and installation procedures:** Detailed instructions for removing and installing various components, such as the grille, deaeration tank, A/C condenser, fan shroud, radiator fan, fan belts, fan drive, transmission oil cooler, radiator hoses, charge air cooler, low-temperature radiator, radiator assembly, recirculation seals, radiator core, and power steering oil cooler.
* **Cooling package cleaning procedures:** Learn how to properly clean the cooling system to ensure optimal performance.
* **Coolant drain, pressure test, and fill procedures:** Detailed instructions for draining, testing, and refilling the coolant system.
* **Torque specifications:** Find the correct torque values for all fasteners involved in the cooling system.

With its comprehensive coverage and easy-to-follow instructions, this manual is an invaluable resource for anyone who needs to service or repair the cooling system of their 2013 Navistar PayStar or 9900 truck.

The Navistar PayStar and 9900 are heavy-duty trucks produced by Navistar International Corporation, known for their robust build and durability. These models have been popular choices for various applications, including long-haul trucking, construction, and heavy-duty hauling. The PayStar, introduced in 2009, is specifically designed for vocational and severe-duty applications, boasting a rugged frame, powerful engine options, and advanced safety features. The 9900, on the other hand, is a long-haul truck known for its comfortable cabin, efficient engine choices, and aerodynamic design. Both models have been continuously updated over the years with technological advancements and performance enhancements.

The 2013 Navistar PayStar and 9900 Radiator/Cooling System Service Repair Workshop Manual provides detailed technical information and repair procedures for the cooling system of these trucks. This essential resource for mechanics and technicians covers the complete cooling system, including the radiator, water pump, thermostat, hoses, fan, and related components. The manual offers comprehensive instructions for diagnosing and resolving issues related to cooling system malfunctions, such as overheating, leaks, and performance degradation. It includes detailed illustrations, exploded diagrams, and step-by-step instructions to ensure accurate and efficient repair procedures.