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Page Title:
Table 9. Cooling System Troubleshooting Procedures. |
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 TM 10-3930-660-24-1
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 9. Cooling System Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Check for low coolant level.
a. Check and replenish
1.
Coolant Temperature Above Normal.
coolant as necessary (WP
b. Locate and correct the
cause of the coolant leak.
Refer to Step 3, Coolant
Loss, in this table.
2. Check for incorrect or
A 6-8 psi radiator cap should be
malfunctioning radiator cap.
installed. Replace radiator
pressure cap with correct rating
if necessary.
3. Check for loose drive belt.
Check belt tensioner and replace
belt if necessary (WP 0061 00).
BELT TENSIONER
DRIVE BELT TENSION:
1/2 IN. (13 mm) DEFLECTION
IN LONGEST SPAN OF BELT
409-127
4. Check for inadequate air
Remove restrictions.
flow caused by restrictions to
the radiator.
5. Check for plugged radiator
Inspect radiator and blow debris
fins.
from radiator fins.
6. Check for collapsed radiator
Inspect radiator hoses and
hose.
replace if required (WP 0056
7. Check for malfunctioning
Replace thermostat, gauge and/
thermostat, temperature
or temperature sender as
sender or gauge.
necessary (WP 0055 00, WP
8. Check for malfunctioning
Replace if necessary (WP 0058
water pump.
9. Check for plugged cooling
Flush the engine cooling system
passages in the cooling
and fill with cleaning solution,
system.
and fill cooling system with
coolant (WP 0053 00).
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