TM 5-3805-292-23
0006
ENGINE TROUBLESHOOTING - ENGINE OVERHEATS CONTINUED
I
Disassemble air cleaner and check
Remove restriction or replace air
for restrictions or damaged or
Restricted?
YES
filter (WP 0058).
obstructed air filter (WP 0058).
NO
Check serpentine belt tension
Tension
Adjust belt (WP 0052).
NO
correct?
YES
Problem
Replace thermostat (WP 0047) and
still
Stop.
NO
flush cooling system (WP 0060).
exists?
YES
Remove water pump (WP 0050) and
Water pump
check for broken or free-spinning
Replace water pump (WP 0050).
NO
okay?
impeller.
YES
With engine off and completely cool,
remove pressure cap from coolant
Air
Remove cylinder head and inspect
system. Start engine (TM 5-3805-292-
bubbles
block and cylinder head for damage
YES
10) and inspect coolant for presence
present?
of bubbles.
NO
Stop.
