I bought a 2017 Lincoln Navigator L

One wiper quit while out. Got back home and tore into it. The rod wore out and someone zip tied it back together. 😂

Pulled it all out including the motor &I have a new one coming in the mail.

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Stay away from this A-Premium brand. Total junk!

Hooked up the new motor that came with the linkage and got no response after turning on the wipers. Hooked up the old Lincoln motor and it works. So, back to parts geek it goes. I ended up buying new OEM Lincoln linkage and motor. I also cracked the newly replaced windshield too...😳

Pics are of this junky linkage.
Good thing is I got the OEM installed and working wipers. Have an appt for windshield replacement again this week.

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Based on needing spark plugs (over due) and the look of the air filter I would question how much a maintenance schedule was followed. And of course "zip tie" repairs don't bode well.
 
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Those are sweet trucks, not sure why they aren’t held in the same regard as the Escalade…

At bare minimum, I would see what’s listed in the severe maintenance schedule, and assume nothing has been done.
 
Be aware its a gen 1 ecoboost in there with the long timing chain. Regular oil changes are its friend and running a 5w40 or 0w40 doesn't hurt at all.
I would be changing the oil every 2500 miles religiously. I would worry less about the oil bottler, and much more about never missing the 2500 mile mark for oil changes.
 
I would be changing the oil every 2500 miles religiously. I would worry less about the oil bottler, and much more about never missing the 2500 mile mark for oil changes.
While 2500miles may be a bit more than "required", I generally change mine at 5k kms (3100miles) with good results...which is also quite a short interval. The chain doesn't like the carbon from the DI so removing it via changes is useful.
 
Be aware its a gen 1 ecoboost in there with the long timing chain. Regular oil changes are its friend and running a 5w40 or 0w40 doesn't hurt at all.

My contract requires me to stay With OEM recommended grade. I plan on using Mobil 1 ESP 5w30. I'll most likely go as far as the OLM tells me. Most of my miles are highway so that helps. All good notes regarding the 40 grade.
 
My contract requires me to stay With OEM recommended grade. I plan on using Mobil 1 ESP 5w30. I'll most likely go as far as the OLM tells me. Most of my miles are highway so that helps. All good notes regarding the 40 grade.
The OLM will indicate changes anywhere from 6,000 to 9,000 miles. I wouldn't go over 5,000. As others have said, the chain will suffer from carbon particle buildup in the oil. As a matter of fact, I suggest checking the timing now to assess condition of the timing system, in case you need to put some cash aside for a pricey repair. You can view the vct_exh_dif PID in forscan or torque. It will show what timing the vehicle is requesting vs what it's actually getting. When that number gets large the chain has excessive wear.
 
I had a 2010. Same body style but with powertrain and dash/infotainment changes.

I would be ready to change out blend door actuators, and they are a pain in the (backside) to change. I had to do all 3 of mine, one of them twice. The plastic gears strip out after years of heat cycles.

Engine maintenance was easy on the 5.4 3V as far as access and under hood space went and I'm sure the 3.5 is probably even better. Transmission can only be checked from the bottom unless you get an aftermarket dipstick like the B&M. The 6R80 starts getting tired around 150K if not maintained but a shift kit will perk them up.

The Ecoboost should certainly eliminate the issues with being down on power that existed with the 5.4 3V like I had.

Mine got to be a basket case around 165K and I got tired of messing with it so I sold it off. Transmission started giving me issues, needed an ABS pump, needed a timing job, etc, etc. Hopefully yours will do better. The interior on yours certainly looks nicer than mine did.
 
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If it had ‘totally basic’ maintenance, then it got 5W-20 Motorcraft blend at (?) intervals.
Idling a lot in livery service in a crowded city…I’d worry about how much those 2 turbos cooked the oil into a pile of deposits. If the rings are all gummed up, it will drink oil. If the TC got gummed up, it will rattle and be loose eventually.
Beautiful ride, but I’m not sure this will go well for you.
 
If it had ‘totally basic’ maintenance, then it got 5W-20 Motorcraft blend at (?) intervals.
Idling a lot in livery service in a crowded city…I’d worry about how much those 2 turbos cooked the oil into a pile of deposits. If the rings are all gummed up, it will drink oil. If the TC got gummed up, it will rattle and be loose eventually.
Beautiful ride, but I’m not sure this will go well for you.
It was always spec'd for 5w30.
 
Doing my maintenance scan yesterday I noticed the brake fluid was plum overfilled. Sucked it down to the max line. It does look like new fluid however.

While I'm at it let's pop off the air filter to check it's status. Nasty! Labeled Motorcraft and just by how awful it looks I'm sure it's the original filter no one decided to change. I couldn't make out the date though.

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Vacuumed and wiped out the box but no pic. Went straight to O'Reilly's Auto for a Microgard MSA81025 and seemed to fit good. Claims twice the capacity and there seemed to be more pleats in the Select filter.

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A dirty air filter is not a problem, but a dirty housing on the clean side of it absolutely is!

There's no point to premium media if the gasket is leaking. The Microgaurd looks like a nice upgrade. Leave it in and never touch it again. Screw a filter minder into the housing lid.
 
If it had ‘totally basic’ maintenance, then it got 5W-20 Motorcraft blend at (?) intervals.
Idling a lot in livery service in a crowded city…I’d worry about how much those 2 turbos cooked the oil into a pile of deposits. If the rings are all gummed up, it will drink oil. If the TC got gummed up, it will rattle and be loose eventually.
Beautiful ride, but I’m not sure this will go well for you.
I doubt these turbo are not water cooled. Modern turbo engine don't cook oil at idle. To the contrary, at idle the heat rejected to the turbo is minimal relative to the cooling capacity of the water jackets on the bearing housing.

As a result, a modern water cooled turbo runs coolest at idle., not hotter. The oil through these turbos is actually restricted with an orifice because it only lubricates and does very little cooling.
 
That is one @fantastic ride, LOL.

If it's me, I'm change the oil to VRP 5w-30 immediately, changing the trans fluid, adding a trans cooler (even a small Derale helps a lot), testing the coolant, flushing brakes, and enjoying the Darth Vader Mobile immensely.
 
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