TM 5-3805-262-20
4-4. COOLING SYSTEM MAINTENANCE
a. R a d i a t o r S e r v i c i n g. This task covers servicing of radiator consisting of
draining coolant, flushing, and refilling with new coolant.
TOOLS: Automotive Mechanic’s Tool Kit
S l i p j o i n t p l i e rs
Container,
12 gallon capacity
MATERIALS/PARTS: Six gallons ethylene glycol (Appendix C, item 9)
NOTE
PRELIMINARY PROCEDURE: Engine right and left side panels removed (page
9-14). Lock removed from radiator cap access panel.
DRAINING COOLANT (SHEET 1 OF 2)
R e m o v e r a d i a t o r c a p s l o w l y t o r e l e a s e p r e s s u r e b e f o r e c o m p l e t e l y
r e m o v i n g i t w h e n e n g i n e i s h o t . F a i l u r e t o d o s o c o u l d c a u s e s e v e re
burns or scalding due to live steam. If you are burned or scalded obtain
medical aid immediately.
(1) At top of loader, open radiator cap access panel and remove radiator cap.
( 2 )
At bottom of radiator, place 12 gallon container under hose leading from
radiator drain valve to drain coolant into .
4-69
