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Home >> Jeep >> 1998 >> Cherokee 4WD L6-4.0L VIN S >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Cooling System >> Testing and Inspection >> Component Tests and General Diagnostics >> Cooling System Flow Check
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Cooling System Flow Check

The following procedure will determine if coolant is flowing through the cooling system.
If engine is cold, idle engine until normal operating temperature is reached. Then feel the upper radiator hose. If hose is hot, the thermostat is open and water is circulating through cooling system.

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