freightliner Custom Classic MT45 2022 Maintenance Manual page 122

47
enough fuel to empty the filter, then close the
drain valve. See Fig.
1
9
8
7
05/06/2005
1. Fuel Outlet
2. Fuel Inlet
3. Filter Element
4. Bowl O-ring
5. Bowl Probe Plug
Fig. 7, Alliance Fuel/Water Separator
2. Disconnect the water sensor and heater connec-
tions if equipped.
3. Remove the element and bowl together by turn-
ing counterclockwise.
4. Remove the bowl from the element and clean
the O-ring gland.
5. Apply a coating of clean fuel or motor oil to the
new O-ring and element seal.
6. Spin the bowl onto the new element, then spin
them both onto the filter head snugly by hand
only.
IMPORTANT: Do not use tools to tighten the
bowl and element.
7. Connect the water sensor and heater connectors
if equipped.
47/8
7.
2
3
4
5
6
f470486
6. Water Sensor Probe
7. Heater Connector
8. Drain Plug
9. Sight Bowl
8. Start the engine and check for fuel leaks.
9. Shut down the engine and correct any fuel leaks.
Walk-In Van Chassis Maintenance Manual, June 2021
Fuel