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2023 Lincoln Navigator — what changed after 100k miles?

BoostScout146Community StarterJul 14, 20262023 Lincoln Navigator ReservePortland
The car has crossed 100k and still drives well. I want to stay ahead of age-related failures instead of waiting for roadside problems. What systems started needing attention after this mileage for other owners? Mostly looking for the right next step.
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20 replies

HybridMechanicish897Community StarterCommunity StarterJul 14, 2026permalink
Don't overfit one forum story to your car. If it still isn't clear on the 2023 Lincoln Navigator, a specialist hour can be cheaper than another round of parts. Then you'll know the next fork. Just my two cents from doing this recently. If the story changes I'll post the new data.
DieselNomadCommunity StarterCommunity StarterJul 14, 2026permalink
Not convinced that's the whole story. If it still isn't clear on the 2023 Lincoln Navigator, a specialist hour can be cheaper than another round of parts. Then you'll know the next fork. Do that first. If the story changes I'll post the new data.
UsedCarGuy283Community StarterCommunity StarterJul 16, 2026permalink
Same neighborhood, different next step: On the 2023 Lincoln Navigator in Portland, I'd fix the thing you'll notice every day before chasing spec-sheet extras. Then you'll know the next fork. On “what changed after 100k miles,” that was the fork that mattered for me. I'd want a dollar figure or a measured spec, not 'should be fine.' That's my plan before I call anyone.
RotorWrench276Community StarterCommunity StarterJul 16, 2026permalink
That's a good start, but I wouldn't stop there. Verify the cheap/easy branch on the 2023 Lincoln Navigator before a big repair or a big spend. Then you'll know the next fork. Any freeze-frame data saved? Your commute and mine probably aren't the same, but the test still applies. This is me being the wet blanket on purpose.
ShopRoadieCommunity StarterCommunity StarterJul 15, 2026permalink
I hear you, though I'd still want a second check. A second data point from another 2023 Lincoln Navigator owner helps more than a generic diagnosis. Then you'll know the next fork. This is from a 2023 Lincoln Navigator in Portland. I'd want a dollar figure or a measured spec, not 'should be fine.' Might be overthinking it, but I'd rather overthink than overspend.
HybridFan335Community StarterCommunity StarterJul 16, 2026permalink
That's a good start, but I wouldn't stop there. Verify the cheap/easy branch on the 2023 Lincoln Navigator before a big repair or a big spend. Then you'll know the next fork. Stop there until you know. I'll update if anything new shows up.
BoostScout146Community StarterCommunity StarterJul 14, 2026permalink
Following up on what changed after 100k miles: still happening, but I have better notes now. That's my plan before I call anyone.
UsedCarGuy283Community StarterCommunity StarterJul 14, 2026permalink
Write down what you already tried. A second data point from another 2023 Lincoln Navigator owner helps more than a generic diagnosis. I'd do that before spending real money. If it doesn't change the out-the-door or the repair estimate, it's noise. I'd sleep better after that step, even if it finds nothing. Might be overthinking it, but I'd rather overthink than overspend.
RotorWrench276Community StarterCommunity StarterJul 14, 2026permalink
Don't overfit one forum story to your car. If it still isn't clear on the 2023 Lincoln Navigator, a specialist hour can be cheaper than another round of parts. That's where I'd start. This is from a 2023 Lincoln Navigator in Portland. Any freeze-frame data saved? If the story changes I'll post the new data.
ShiftCollectorCommunity StarterCommunity StarterJul 14, 2026permalink
Owner notes beat generic advice here. On the 2023 Lincoln Navigator in Portland, I'd fix the thing you'll notice every day before chasing spec-sheet extras. I'd do that before spending real money. On “what changed after 100k miles,” that was the fork that mattered for me. Verbal 'we'll take care of it' is not a plan. Wrote this up on my lunch break.
MarketTraveler441Community StarterCommunity StarterJul 15, 2026permalink
Owner notes beat generic advice here. On the 2023 Lincoln Navigator in Portland, I'd fix the thing you'll notice every day before chasing spec-sheet extras. Then you'll know the next fork. On “what changed after 100k miles,” that was the fork that mattered for me. That's the sequence I'd use. Wrote this up on my lunch break.
HybridFan335Community StarterCommunity StarterJul 15, 2026permalink
Owner notes beat generic advice here. On the 2023 Lincoln Navigator in Portland, I'd fix the thing you'll notice every day before chasing spec-sheet extras. That's where I'd start. On “what changed after 100k miles,” that was the fork that mattered for me. This is from a 2023 Lincoln Navigator in Portland. Stop there until you know. If your situation is the opposite, ignore me. Wrote this up on my lunch break.
MarketTraveler441Community StarterCommunity StarterJul 15, 2026permalink
I'd keep this practical. Verify the cheap/easy branch on the 2023 Lincoln Navigator before a big repair or a big spend. Then you'll know the next fork. This is from a 2023 Lincoln Navigator in Portland. No need to make it theatrical. Doing the boring step first on purpose.
EVCommuterCommunity StarterCommunity StarterJul 15, 2026permalink
Write down what you already tried. A second data point from another 2023 Lincoln Navigator owner helps more than a generic diagnosis. Then you'll know the next fork. I'd want that in writing, not as a promise. If this is nothing, great. I want that in data.
BoostScout146Community StarterCommunity StarterJul 15, 2026permalink
Useful. I'll report back after I verify that on my 2023 Lincoln Navigator. This is the version I'd tell a friend.
EVCommuterCommunity StarterCommunity StarterJul 15, 2026permalink
Write down what you already tried. A second data point from another 2023 Lincoln Navigator owner helps more than a generic diagnosis. That's where I'd start. I'd want that in writing, not as a promise. I'd sleep better after that step, even if it finds nothing. This is the version I'd tell a friend.
ColdStartCommuter242Community StarterCommunity StarterJul 15, 2026permalink
Don't overfit one forum story to your car. If it still isn't clear on the 2023 Lincoln Navigator, a specialist hour can be cheaper than another round of parts. That's where I'd start. When does it actually happen? That's coming from doing this as an owner, not a shop. I'm keeping receipts and dates in one folder.
MarketTraveler441Community StarterCommunity StarterJul 15, 2026permalink
Don't overfit one forum story to your car. If it still isn't clear on the 2023 Lincoln Navigator, a specialist hour can be cheaper than another round of parts. I'd do that before spending real money. No need to make it theatrical. That's coming from doing this as an owner, not a shop. If the story changes I'll post the new data.
ProjectMom166Community StarterCommunity StarterJul 15, 2026permalink
Owner notes beat generic advice here. On the 2023 Lincoln Navigator in Portland, I'd fix the thing you'll notice every day before chasing spec-sheet extras. That's where I'd start. On “what changed after 100k miles,” that was the fork that mattered for me. Time, temperature, and whether it's in gear are the notes that actually help a shop. That's my plan before I call anyone.
DieselNomadCommunity StarterCommunity StarterJul 15, 2026permalink
I'd keep this practical. Verify the cheap/easy branch on the 2023 Lincoln Navigator before a big repair or a big spend. That's where I'd start. This is from a 2023 Lincoln Navigator in Portland. Stop there until you know. I'll update if anything new shows up.
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