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My halogen headlights also had a fog in them when I first picked the truck up. This went away after the first day and hasn't returned. I'm sure it was from the detailer washing the truck, but I've never had it happen when I wash it. I have not pulled the lights out or researched at all, but I'm guessing they are not totally "sealed" but have a vent somewhere to equalize humidity or let moisture evaporate out.
Not necessarily so. All light housings have openings where they can be accessed....
Right, but not for access other than changing the bulb-, but just for ventilation. The housings will have a small tube or casting that opens to atmosphere. Any housing where the inside reaches the dew point will have that fogging. The only ones that don't have a vent are the ones from decades ago where they would build up water in the housing. Vacuum-tight housings are rare that I know of since at zero pressure, the stress on the housing is quite substantial and would require a more robust housing that would cost more and weigh more. The old sealed beams could do this since they were made of glass and were not intended to last for the useable life of the vehicle. You would generally replace those bulbs from rock chips and filament burnout every two or three years. By just venting the housing, you take care of the water buildup problem. Again, under the right atmospheric conditions, all housings will get some moisture collection. But it will evaporate.
If the truck were sitting in the sun before you washed it, the LED housings would have been hot/warm. Once the water hit them, the warm air inside would have contracted, creating a vacuum, pulling in cooler, water laden air through the vents. Works just like this:
You guys were correct, it did go away. It’s just not something that I was used to seeing.
I love this truck, but I have had a history with Ford. That’s all I used to drive until I bought a Lincoln MarkVIII. Beautiful car, but what a pos.
Had the extended Ford warranty on it, and every time I took it in to get serviced, it was like fighting tooth and nail to get them to fix anything. Maybe it was the dealership, I don’t know.
At that time I traded in my OJ Bronco and my Mark on a 4Runner. This is the first Ford I’ve had since around 2005.
I bought this truck to tow my wife’s toy hauler. 2 trips towing with the 2021 Tundra I knew that that truck wasn’t going to cut it, so I basically traded in a brand new Tundra for the F250, and as much as this thing cost, I’m going to keep it for many years.
...it was like fighting tooth and nail to get them to fix anything. Maybe it was the dealership, I don’t know...
It was the dealership. Many dealerships emphasize their service department service standards. They embrace the philosophy that sales come from what happens in the service department. Customers who get bad service don't keep coming back for more by making more vehicle purchases from that dealer. I know that is precisely how I look at it. I got bad service from a local dealer who didn't care and they have not gotten a single dime from me in more than three decades.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.
