TB 9-2320-335-13&P
3-76.1. THERMOSTAT REPLACEMENT (SERIAL NUMBERS 300000 AND ABOVE)
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Tools
Manual References
General mechanic's tool kit:
TM 9-2320-387-24-1
automotive (Appendix B, Item 1)
TB 9-2320-335-13&P, Appendix E
Maintenance and repair shop equipment:
Equipment Condition
automotive (Appendix B, Item 2)
Cooling system drained, as required
Materials/Parts
(TM 9-2320-387-24-1).
Gasket (Appendix A, Item 41)
Maintenance Level
Sealing compound (Appendix C, Item 61)
Unit
Lockwasher (Appendix A, Item 185)
a. Removal
1.
Remove capscrew (2), washer (3), wiring harness (4), and clamp (1) from bracket (5).
2.
Remove nut (7), lockwasher (6), and bracket (5) from stud (8). Discard lockwasher (6).
3.
Remove stud (8), capscrew (9), thermostat housing (10), gasket (11), and thermostat (12) from water
crossover (14). Discard gasket (11).
4.
Clean gasket surface on water crossover (14) and thermostat housing (10).
b. Installation
1.
Install thermostat (12) into water crossover (14), ensuring valve sensor (13) points toward water
crossover (14).
2.
Position gasket (11) on thermostat housing (10). Apply sealing compound to fastener threads and
insert capscrew (9) and stud (8) to align gasket (11).
3.
Install thermostat housing (10) over thermostat (12) and on water crossover (14) with capscrew (9)
and stud (8). Tighten capscrew (9) and stud (8) to 25 lb-ft (34 Nm).
4.
Install bracket (5) on stud (8) with lockwasher (6) and nut (7).
5.
Install clamp (1) and wiring harness (4) on bracket (5) with washer (3) and capscrew (2).
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