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Known problem. There's two different actuators, one for temperature, one for diverting air to roof or floor. And of course, they're different so need to know which one is bad before you buy. Or you can do as me, buy the cheapest one and rob the internal gears and put them in the original one. They'll break eventually again anyway..
Now you can buy just the gear you need on Amazon or eBay for just $19 or $20 with a lifetime guarantee! Wow, finally a reasonable solution now that I am on my 3rd Navigator. Just Google search the following:
Blend Door Actuator Gear Rebuild Kit (Fits Ford Lincoln Mercury 1990-2012)
l plan to install the replacement gear today. I will follow up at some point, but from the reviews I read prior to purchase, they all look 5 star, my hopes are high.
Its just another option I had not seen mentioned on this forum before.
For $20 bucks, its a flip of the coin either way, only time will tell, if you can actually get the assembly delivered for $20. If "'You get what you pay for" comes into play, I would rather go with a part made of the strongest resin, as so claimed by the manufacturer, whether it's true or not I don't know, then the cheapest assembly available on planet earth. By taking the manufacturers word and virtual 5 star reviews, and considering how easy it is to open up the actuator and slide in the new gear versus having to remove the actuator and replace the unit again down the road, personally I would rather install the higher quality gear now one time and never mess with it again, at least that's the plan, especially when we're talking about the same $20 bucks.
Frankly, as this is my 3rd Navigator, I'm tired of doing this same job over and over because the OEM is crap.
The problem I ran into when changing the bad rear actuators in my Explorer (yeah I know it's not an Expy) was it had 2 plastic gears inside and both were trashed. The gear replacement was $20 for one of the gears, the other was not available. I bought new complete actuators for $16 apiece. Only time will tell how long they will last.
$16 is hard to argue with. I have read so many posts I don't know where I saw it, but one had what I thought was really good advice...when you set the temp or air blend, don't turn it all the way to maximum, back it off maximum a little so as to relieve the constant pressure from the little servo motor that is applied to the gear set.
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.
