FIGURE 4-17. REVERSE FLUSHING ENGINE BLOCK.
FIGURE 4-19. DETROIT DIESEL FAN BELT
NOTE: Make sure that the thermostat is removed.
Flushing as shown in figure 4-17 will close the
thermostat and prevent complete flushing of the
FIGURE 4-18. REVERSE FLUSHING RADIATOR.
block. After flushing the system, add coolant as
4-53. DETROIT DIESEL FAN DRIVE BELTS
Close the drain cock and reverse flush the block as shown
in figure 4-17. Reverse flush the radiator as shown in
4-54. Examine the belt for cracks on the inner