TM 5-3805-280-24-2
Cooling System
COOLING SYSTEM DEAERATION
25
20
Deaeration is normally accomplished by the jiggle pin in
the thermostat flange. However, a pocket of air can stay
on the top rear of the engine. When refilling the cooling
system, loosen the coolant temperature sensor (A) or plug
at the rear of the cylinder head to allow air to escape.
A--Coolant Temperature Sensor
DPSG,OUO1004,19 1903APR981/1
REMOVE AND INSTALL AUTOMATIC
(SPRING) BELT TENSIONER
NOTE: Belt tensioner cap screw (A) is left-hand threaded.
1. Release tension on belts using a breaker bar and
socket.
2. Remove poly-vee belts from pulleys.
3. Remove belt tensioner.
A--Belt Tensioner Cap Screw
Continued on next page
RG,25,JW7552
1920NOV971/2
13-343
