Coolant Leak Diagnosis
Green, orange, or pink fluid leaking under a Jeep Grand Cherokee 2020 when the engine runs hot indicates a coolant leak. This is likely from a compromised hose, radiator, water pump, or thermostat housing, and can lead to engine overheating and damage if not addressed promptly.
Diagnosis Details
Possible Causes
Cracked or loose radiator hose
Failed water pump gasket or bearing
Damaged radiator or expansion tank
Thermostat housing leak
Related OBD-II Codes
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What You Should Do
Check coolant level and top off if safe.
Inspect hoses, radiator, water pump, and thermostat housing for visible leaks.
Pressure test the cooling system to pinpoint the source.
Do not drive if overheating persists.
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.
