16 F150 Leaks water on driver side

Jordonn_ · Sep 24, 2025

So I’m kind of new to trucks and all that just got this 16 Lariat about a month or 2 ago and when it rains moderately my driver floor board will be pretty well soaked. I’ve seen similar issues but not the exact same. Just on my brake pedal a the floor mat is wet. Could it be just a poor seal on the windshield or the wiper cowl.

Anyone has this issue before, I was leaning towards wiper cowl because I found that it’s peeling

FanaticalKilla · Sep 24, 2025

Wiper cowl is purely cosmetic trim.

A poorly installed windsheild or a leaking sunroof or leaking driver side door seal could all cause your issue. Could check the master cylinder boot as well. Or the steering shaft pass through.

Jordonn_ · Sep 24, 2025

If it was the sunroof seal or the door seal it would leak near the a pillar though correct? That’s what I seen most people having issues with. Mine seems like it’s coming from above the brake pedal

FanaticalKilla · Sep 24, 2025

Then I’d focus attention on anything driver side firewall sealing but water can take a weird path and end up somewhere you’d never expect.

16 F150 Leaks water on driver side

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