· DO NOT service cooling system unless engine has been allowed to cool down. This is a
pressurized cooling system and escaping steam or hot coolant will cause burns.
· Wear effective eye, glove, and skin protection when handling coolants. Failure to do so
may cause injury.
Disconnect connector (Figure 1, Item 1) from water temperature sending unit connector (Figure 1, Item 2).
Use drain pan to catch any coolant that may drain from water temperature sending unit.
Dispose of coolant IAW local policy and ordinances. Ensure all spills are cleaned up.
Place drain pan with 1 gal (3.8 Liters) minimum capacity under water temperature sending unit
(Figure 1, Item 4) to catch draining coolant.
Remove electrical tiedown straps as required.
Remove water temperature sending unit (Figure 1, Item 5) and O-ring (Figure 1, Item 4) from water intake
manifold (Figure 1, Item 3). Discard O-ring.
Water Temperature Sending Unit Removal.
END OF TASK