TM 5-2420-231-23-1
0021
Table 1. Engine Coolant Temperature Gauge Indicates High Temperature,
Does Not Function, or Is Inaccurate - Continued.
021
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Engine Coolant Temperature 5.
Inspect upper coolant suction hose
Upper Coolant Suction Hose OK -
Gauge Indicates High
(Figure 10, Item 1) for kinks or
Proceed to step 6.
Temperature, Does Not
damage at reservoir (Figure 10,
Upper Coolant Suction Hose Kinked
Function, or Is Inaccurate -
Item 3) and suction tube (Figure
or Damaged - Replace upper coolant
Continued
10, Item 2).
suction hose (WP 0097).
Proceed to Test Step 9.
6. Inspect coolant suction tube (Fig-
Coolant Suction Tube OK - Proceed
ure 10, Item 2) for dents or dam-
to step 7.
age.
Coolant Suction Tube Dented or
Damaged - Replace coolant suction
tube (WP 0097).
Proceed to Test Step 9.
Figure 10. Upper Coolant Suction Hose and Coolant Suction Tube.
0021