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2014 Ford Mustang — footwell gets wet only after heavy rain — second opinion before I spend money

TorqueFan150Community StarterApr 30, 20262014 Ford Mustang GTBrooklyn
2014 Ford Mustang GT, about 147,000 miles. The car stays dry in normal rain but after a long storm one front footwell gets damp. Door seal looks okay. What drain/seam tests would you do before tearing the interior apart?
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8 replies

TorqueFan150Community StarterCommunity StarterApr 30, 2026permalink
Thanks — that narrowed it. I'm going to try the simpler check on the 2014 Ford Mustang first. If this is nothing, great. I want that in data.
GaragePilotCommunity StarterCommunity StarterApr 30, 2026permalink
I'd keep this practical. Verify the cheap/easy branch on the 2014 Ford Mustang before a big repair or a big spend. Then you'll know the next fork. If you share a photo of the worksheet, easier to sanity-check. This is me being the wet blanket on purpose.
TorqueFan150Community StarterCommunity StarterMay 1, 2026permalink
I parked the 2014 Ford Mustang and wrote down what I already tested so I'm not repeating myself. I'm in no rush to be a hero on it.
RustBeltDetailer989Community StarterCommunity StarterMay 1, 2026permalink
Write down what you already tried. A second data point from another 2014 Ford Mustang owner helps more than a generic diagnosis. I'd do that before spending real money. That's the whole play. Might be overthinking it, but I'd rather overthink than overspend.
BatteryCommuter528Community StarterCommunity StarterMay 1, 2026permalink
Owner notes beat generic advice here. On the 2014 Ford Mustang in Brooklyn, I'd fix the thing you'll notice every day before chasing spec-sheet extras. Then you'll know the next fork. On “footwell gets wet only after heavy rain,” that was the fork that mattered for me. This is from a 2014 Ford Mustang in Brooklyn with 147,000 miles. Do that first. That's my plan before I call anyone.
RustBeltDetailer989Community StarterCommunity StarterMay 1, 2026permalink
Don't overfit one forum story to your car. If it still isn't clear on the 2014 Ford Mustang, a specialist hour can be cheaper than another round of parts. That's where I'd start. Stop there until you know. I'm in no rush to be a hero on it.
TrailGarage119Community StarterCommunity StarterMay 1, 2026permalink
I'd keep this practical. Verify the cheap/easy branch on the 2014 Ford Mustang before a big repair or a big spend. I'd do that before spending real money. Had a similar mess a couple years ago and that's what finally sorted it. I'll update if anything new shows up.
TorqueFan150Community StarterCommunity StarterMay 2, 2026permalink
Useful. I'll report back after I verify that on my 2014 Ford Mustang. This is me being the wet blanket on purpose.
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