TM10-3930-660-20 8-36. ENGINE OIL PRESSURE SENDER -  TEST/REPLACE This task covers: a.  Removal b. Installation C. Testing Initial Setup ^— Tools Materials/Parts Tool Kit, Automotive Mechanics Lockwasher  (2) Loctite 59241 Test  Equipment OHmmeter (App. C, Item 42) Equipment  Condition Negative battery cable disconnected, para.  8-44. The engine oil pressure sender is accessed through the right-hand engine access  door. REMOVAL 1. 2. 3. REMOVE NUT (1) AND LOCKWASHER (2) TO DISCONNECT ELECTRICAL LEAD (3) AT SENDER (4). DISCARD LOCKWASHER (2). REMOVE SENDER (4) FROM FITTING (5). IF NECESSARY, UNSCREW FITTING (5) FROM ENGINE (6). INSTALLATION 1. APPLY LOCTITE 59241 TO THREADS OF FITTING (5) AND SCREW FITTING (5) INTO ENGINE  (6). 2. APPLY LOCTITE 59241 TO THREADS OF SENDER  (4). 3. SCREW SENDER (4) INTO FITTING (5). 8-95