TM10-3930-660-20 8-16. ENGINE WATER TEMPERATURE SWITCH - REPLACE This  task  covers: a.  Removal b. Installation Initial Setup Tools Materials/Parts Tool Kit, Automotive Mechanics Lockwasher (3) Loctite 59241 . (App. C, Item 42) . Equipment  Condition Vehicle parked on level ground. Negative battery cable disconnected, para.  8-44. NOTE The engine temperature switch (1) is reached through the right-hand engine access  door. 1. 2* 3. REMOVE NUT (2), LOCKWASHER (3), AND ELECTRICAL LEAD (4), FROM ENGINE TEMPERATURE SWITCH (1). DISCARD LOCKWASHER (3). REMOVE SWITCH (1) FROM ENGINE (5). IF NECESSARY, REMOVE BUSHING (6). INSTALLATION 1. 2. 3. 4. 5. IF REMOVED, INSTALL BUSHING (6). APPLY LOCTITE 59241 TO THREADS OF ENGINE WATER TEMPERATURE SWITCH (1). SCREW SWITCH (1) INTO ENGINE (5). SECURE ELECTRICAL LEAD (4) TO SWITCH (1) WITH NEW LOCKWASHER (3) AND NUT (2). CONNECT NEGATIVE BATTERY CABLE, PARA.  8-44. 8-35