TM   10-3930-643-20 ENGINE, FUEL, EXHAUST AND COOLING TROUBLESHOOTING AND MAINTENANCE. 4-27. Radiator   Assembly.   (Sheet   1   of   4) This   task   covers: a. Draining b . F i l l i ng c .    T e s t i ng INITIAL  SETUP Tools Tool  Kit,  General  Mechanic’s Automotive NSN  5180-00-177-7033 Radiator   Pressure   Tester NSN   4910-01-018-4373 Materials/Parts Anti-freeze   (App.   C,   Item   1) Suitable   container,   capacity   of 60  quarts References TM   750-254 Torques Except   for   special   torques   shown, all   fasteners   are   tightened   to   a standard   torque. Refer   to Appendix  E. EQUIPMENT  CONDITION References Paragraph   12-4 Condition   Description Engine   side   access   covers   removed. DRAINING NOTE Heater   hose   valve   assemblies   must be   open   when   draining   coolant   on vehicles  S/N  2001  and  above.  Leave valve assemblies open a f t e r procedure. 1. Open   valve   assembly   (1)   on   lower left   side   of   engine. Go   to   sheet  2 4-113

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