Table 3-6. Unit Troubleshooting Table. -- Continued
Test or Inspection
LOW COOLANT LEVEL.
If vehicle has been operating, use extreme care to avoid being burned when removing radiator
cap or coolant reservoir cap. Sudden release of pressure can cause a steam flash which could
seriously injure personnel. Use heavy rags to protect hands. Slowly loosen cap to the first stop
and allow pressure to be relieved before removing cap completely. After use, securely tighten
cap. Failure to comply may result in injury or death to personnel.
Coolant may damage the skin. Wear protective equipment and avoid skin contact when handling
Check radiator cap gasket (1) for serviceability.
If radiator cap gasket is unserviceable, replace radiator cap.
Check upper and lower radiator hoses (2) for damage.
If radiator hose(s) are damaged, replace radiator hose(s) (Para 9-5) and top off coolant level
Step 2.1 applies only to vehicles equipped with a cold weather kit.
Check arctic heater coolant hoses (2.1) for damage.
If arctic heater hose(s) are damaged, replace arctic heater hose(s) (Para 20-5), and top off coolant