TM10-3930-660-20 4-8. ENGINE OIL SAMPLING VALVE - REPLACE This task covers: a. Removal b. Installation Initial Setup Tools Materials/Parts Tool Kit, Automotive Mechanics Loctite 59241 (App. C, Item 42). Equipment Condition Engine off and cool. The engine oil sampling valve is accessed through the right-hand engine access door. REMOVAL UNSCREW AND REMOVE SAMPLING VALVE (1) FROM  FITTING  (2). INSTALLATION 1. APPLY LOCTITE 59241 TO VALVE THREADS  (a). 2. SCREW SAMPLING VALVE (1) INTO FITTING. OF VALVE MAKE SURE THE (1) IS FACING DRAIN END (b) DOWN  . 4-11

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