TM 5-3810-306-20
THERMOSTAT REPLACEMENT
TOOLS:
General mechanic’s tool kit: automotive (5180-00-177-7033)
Drain pan
Thermometer
Heater
SUPPLIES: Clean rags (Item 1, Appendix C)
Anti-freeze (Item 10, Appendix C)
Gasket (Item 24, Appendix C)
Casket (Item 25, Appendix C)
EQUIPMENT CONDITIONS: Disconnect ground cable at shunt. (Refer to page 8-109.)
Anti-freeze drained from radiator.
Radiator hose removed from outlet connection.
(Refer to page 7-6.)
REMOVAL:
1.
RELIEVE PRESSURE ON BELT TENSIONER (8)
AND REMOVE BELT FROM ALTERNATOR
AND BELT TENSIONER. (REFER TO PAGE 7-
23).
2.
LOOSEN ALTERNATOR (12).
a. Remove nuts (11), washers (10) and capscrews
(9) from alternator top bracket.
b. Loosen capscrew (13).
c. Allow alternator to drop out of way of thermostat
housing.
3.
REMOVE THERMOSTATS (7).
a. Remove capscrews (1) and (4) from thermostat
housing (5). Remove water outlet connection
(2). Discard connection gasket (3).
b. Remove tubing from elbow in block.
c. Remove thermostat housing (5) and belt
tensioner assembly (8) from cylinder block.
d. Remove thermostats (7) and thermostat gasket
(6). Cover opening with clean rag. Discard
gasket.
7-16
