TM 5-3825-270-23&P
FIELD MAINTENANCE
ENGINE COOLANT TEMPERATURE SENDING UNIT REPLACEMENT
INITIAL SETUP:
Tools and Special Tools
References
Tool Kit, General Mechanic's: Automotive
Parts Manual (WP 0220) Figure 4026
(WP 0225, Table 1, Item 12)
Equipment Condition
Rear engine access cover removed. (TM
Materials/Parts
Compound, Sealing, Pipe Thread, Loctite 567
5-3825-270-10)
(WP 0224, Table 1, Item 23, 24, 25, 26)
Coolant drained. (WP 0075)
Lockwasher (WP 0226, Table 1, Item 37) Qty: 1
REMOVAL
WARNING
Spilled coolant is slippery and can cause falls. To avoid injury, wipe up spilled coolant with a
clean cloth. Failure to comply may result in injury or death to personnel.
1.
Remove nut (Figure 1, Item 4), lockwasher (Figure 1, Item 5), washer (Figure 1, Item 6), fiber washer (Figure
1, Item 7), and wire (Figure 1, Item 8) from engine coolant temperature sending unit (Figure 1, Item 1). Discard
lockwasher.
1
2
3
8
4, 5, 6, 7
Figure 1. Engine Coolant Temperature Sending Unit Removal.
2.
Remove engine coolant temperature sending unit (Figure 1, Item 1) from fitting (Figure 1, Item 2).