Clear Water Leak Under Ford F-150 (AC Off)
A clear water leak from under a 2020 Ford F-150 when the AC was not running is likely condensation from the air conditioning system that may have drained after the vehicle was used, or possibly from the windshield washer system. Since the fluid is clear and water-like, it is not typically a critical issue, but it should be checked to rule out coolant leaks (which can be clear but have a sweet smell) or other water sources.
Diagnosis Details
Possible Causes
Residual AC condensation draining after the vehicle was turned off, even if the AC wasn't on at the time of observation.
Windshield washer fluid leak (if the fluid is clear and not dyed).
Coolant leak (clear, but often has a sweet smell and may be slightly oily).
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What You Should Do
Check the fluid's smell and feel (coolant is sweet and slightly oily).
Inspect the area under the passenger side dashboard for wetness (heater core leak).
Verify windshield washer reservoir level.
If the leak is just water and no other symptoms, monitor it.
If it persists or smells sweet, have the cooling system inspected.
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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.
