General Information |
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The 2002 ISX engine uses a 15-micron pressure side fuel filter. The pressure side fuel filter is mounted to the integrated fuel system module in the same location as the previous integrated fuel system module-mounted suction side fuel filter. Pressure side filtration allows for improved diagnostics and improved filtration. The fuel filter has a 40,234 km [25,000 mi] change interval. For fuel filter pressure and vacuum information, refer to Procedure 006-015. For fuel inlet restriction, refer to Procedure 006-020. ECM Cooling PlateA fuel-cooled ECM was introduced with the 2002 ISX engine. The ECM cooling plate is located on the intake side of the cylinder head, directly between the ECM and cylinder head. The ECM cooling plate receives fuel from the 1724 kPa [250 psi] regulator and returns it to the suction side of the fuel pump. The 2002 ISX engine uses a different gasket between the cooling plate and the cylinder head than the air-cooled ECM cooling plate found on the previous ISX engines. To isolate the cooling plate from the heat of the cylinder head, a new ECM cooling plate gasket is used. Unlike the air-cooled ECM cooling plate gasket, the fuel-cooled ECM cooling plate gasket does not have a cutout in the lower section. This gasket is not reversible and uses an interference tab that will not allow the gasket to be installed backward.
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