ENGINE MAINTENANCE - Engine Coolant Specifications Cooling System Sealing Additives and Soluble Oils Build up in coolant low-flow areas. Plug the radiator and oil cooler. Damage the water pump seal. Damage heat transfer surfaces. Damage seals and hoses. Corrode brass and copper. Failure to comply may result in equip- ment or property damage. OK 2 1 1. Do not use soluble oils or sealing additives. NOTE Engine Coolant Specifications Coolant volumes are dependent on chassis model and cab/ sleeper heater options. CAUTION The use of sealing additives or soluble oils in the cooling system can cause damage to the engine.
These additives can plug various areas of the radiator, EGR system and oil cooler. The plug- ging of the cooling system can hamper heat transfer, causing internal engine damage. Do not use sealing additives or soluble oils in the cooling system. The use of sealing additives can: Engine capacity, pressure, and temperature specifications. Extended Life Coolant Engine Coolant Specifications for PACCAR MX-11 Information on using Extended Life Coolant (ELC). Perform these maintenance procedures according to the Preventative Maintenance Schedule.
Conduct coolant maintenance checks including freeze point, pH, nitrite and carboxylate tests at least 3 Varies with vehicle equipment Y53-1166-1G1 (08/2018) 45 Minimum Recommended Pressure Cap 15 psi (103 kPa) Maximum Engine Coolant Outlet Temperature 223°F (106°C) Coolant Capacity Approx. 12.5 gallons3 (47 liters)