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Cummins N14 – Thermostat Housing – Assembly

Caution: When installing a new seal, the flat side of the seal must be toward the mandrel for correct installation.
Use thermostat seal mandrel, Part No. ST-1225, and a lead hammer to install the seal.
A counterbore in the housing bore locates the seal.

Install the thermostat in the cover.
Install a new gasket on the thermostat housing.
Install the thermostat cover and the four mounting capscrews.
Tighten the capscrews.
Torque Value: 47 N•m [35 ft-lb]
Install the CELECTTM coolant temperature sensor into the thermostat housing.
Torque Value: 34 N•m [25 ft-lb]