TM 5-3810-306-20TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING (CONTD)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION21. COOLANTTEMPERATUREABOVENORMALStep 1.Radiator damaged.a. Inspect radiator for corrosion and damaged fins and tubes. If OK, do Step 2.b. Replace radiator. (Refer to page 7-9.)Step 2.Collapsed radiator hose.a. Inspect upper and lower radiator hoses. If OK, do Step 3.b. Replace radiator hose(s). (Refer to page 7-6.)Step 3.Fan shroud damaged or missing.a. Inspect fan shroud for damage or loose attaching hardware. If OK, do Step 4.b. Replace shroud and tighten attaching hardware. (Refer to page 7-9.)Step 4.Loose fan drive belt.a. Inspect fan drive belt and tensioner. If OK, do Step 5.b. Replace fan drive belt and tensioner. (Refer to pages 7-22 and 7-23.)Step 5.Defective temperature gauge.a. Remove and test temperature gauge. If OK, do Step 6.b. Replace temperature gauge. (Refer to page 8-17.)Step 6.Defective thermostat.a. Remove and test thermostat. If OK, do Step 7.b. Replace thermostat. (Refer to page 7-16.)3-19
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