Service Manual

ISB, ISBe and QSB (Common Rail [...] Coolant Thermostat Housing
Section 8 - Cooling System - Group 08 Page 8-23
To buy Cummins Parts and Service Manuals, Training Guides, or Tools go to our website at https://store.cummins.com
Assemble
Install the thermostat into the thermostat housing.
Install a new o-ring on the thermostat housing.
Install the water inlet connection and three mounting
capscrews. Tighten the capscrews.
Torque Value: 44 N•m [ 32 ft-lb ]
Install a new o-ring on the other end of the thermostat
housing and the water outlet connection. Install the three
capscrews and tighten.
Torque Value: 44 N•m [ 32 ft-lb ]
Install the two pipe plugs and tighten.
Torque Value: 15 N•m [ 133 in-lb ]
Install the coolant vent line fitting. Tighten the fitting so it
faces the thermostat housing inlet end.
Install the keel cooler inlet and outlet fittings. Refer to the
OEM troubleshooting and repair manual.
Install
Place the vibration isolators on top of the thermostat
housing support bracket.
Install the thermostat housing onto the isolators using
clamps and capscrews as shown.
Tighten the capscrews.
Torque Value: 44 N•m [ 32 ft-lb ]