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seal cap that meets the engine manufacturer's pressure requirements and allows for expansion and <br />recovery of coolant into a separate integral expansion chamber. <br />All radiator tubes shall be formed from aluminized steel tubing. Recirculation shields shall be installed <br />where required to prevent heated air from reentering the cooling package and affecting performance. <br />The charge air cooler shall be a cross -flow design constructed completely of aluminum with cast tanks. <br />All charge air cooler tubes shall be formed from aluminized steel tubing and installed with silicone <br />hump hoses and stainless steel "constant torque" style clamps meeting the engine manufacturer's <br />requirements. <br />The radiator and charge air cooler shall be removable through the bottom of the chassis. <br />ENGINE COOLING SYSTEM PROTECTION <br />The engine cooling system shall include a recirculation shield designed to act as a light duty skid plate <br />below the radiator to provide additional protection for the engine cooling system from light impacts, <br />stones, and road debris. The skid plate shall be painted to match the frame components. <br />ENGINE COOLANT <br />The cooling package shall include Extended Life Coolant (ELC). The use of ELC provides longer <br />intervals between coolant changes over standard coolants providing improved performance. The <br />coolant shall contain a 50150 mix of ethylene glycol and de -ionized water to keep the coolant from <br />freezing to a temperature of -34 degrees Fahrenheit. <br />Proposals offering supplemental coolant additives (SCA) shall not be considered, as this is part of the <br />extended life coolant makeup. <br />ELECTRONIC COOLANT LEVEL INDICATOR <br />The instrument panel shall feature a low engine coolant indicator light which shall be located in the <br />center of the instrument panel. An audible tone alarm shall also be provided to warn of a low coolant <br />incident. <br />ENGINE PUMP HEAT EXCHANGER <br />A single bundle type coolant to water heat exchanger shall be installed between the engine and the <br />radiator. The heat exchanger shall be designed to prohibit water from the pump from coming in contact <br />with the engine coolant. This shall allow the use of water from the discharge side of the pump to assist <br />in cooling the engine. <br />COOLANT HOSES <br />The cooling systems hose shall be formed silicone hose and formed aluminized steel tubing and include <br />stainless steel constant torque band clamps. <br />ENGINE COOLANT OVERFLOW BOTTLE <br />A remote engine coolant overflow expansion bottle shall be provided in the case of over filling the <br />coolant system. The overflow bottle shall capture the expansion fluid or overfill rather than allow the <br />fluid to drain on the ground. <br />ENGINE EXHAUST SYSTEM <br />