This article explains How to Replace a Cummins B Series Engines Water Pump
A Preparatory Steps:
Drain the coolant.
Remove the drive belt.
Remove the two capscrews and water pump, and com-plete the following steps.
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B Clean the sealing surface on the cylinder block.
C Install the new sealing ring into the pump groove.
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Install the water pump.Torque Value: 24 Nom [18 ft-lb]