2018 Lincoln Navigator · Brakes & vehicle control
Master cylinder leak may reduce braking performance
NHTSA campaign 25V236000 lists the 2018 Lincoln Navigator for a condition in which master cylinder leak may reduce braking performance.
What the reviewed source says
Start with the documented condition, not a parts guess.
NHTSA lists the 2018 Lincoln Navigator in safety campaign 25V236000. The official record says: The brake master cylinder may allow brake fluid to leak from the front wheel circuit into the brake booster. The stated safety consequence is: A brake fluid leak can cause reduced brake function and extend the distance required to stop, increasing the risk of a crash. A make, model and year match does not confirm that a specific VIN is included or that the repair remains open.
Words owners may use
Does this match the moment?
Symptoms in the pattern
- Brake fluid may leak into the brake booster
- Stopping distance may become longer than expected
Vehicles and scope
- 2018 Lincoln Navigator
- Vehicles included in NHTSA campaign 25V236000
- VIN confirmation is required
Manufacturer position
What the official procedure directs
Dealers will replace the brake master cylinder. If the master cylinder is leaking, the brake booster will also be replaced. Repairs will be performed free of charge. Owner notification letters were mailed September 25, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S37. This recall is an expansion of NHTSA recall number 22V-150.
Campaign 25V236000 is based on the recalled vehicle population and VIN, not a published mileage threshold. Mileage alone cannot confirm or exclude it.
Original evidence
Open the documents behind this page.
Repair paths and safe checks
Separate the diagnosis from the action.
Complete recall 25V236000
Dealers will replace the brake master cylinder. If the master cylinder is leaking, the brake booster will also be replaced. Repairs will be performed free of charge. Owner notification letters were mailed September 25, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S37. This recall is an expansion of NHTSA recall number 22V-150.
A year and model match does not confirm VIN eligibility. Do not substitute an owner repair for an open safety recall.
What owners reported
Did this repair fix the same symptom on your car?
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Check the VIN and record what happened
Check the 17-character VIN with NHTSA or Lincoln. Save campaign 25V236000, any warning messages and a short description of when the symptom occurred for the service appointment.
Do not recreate a dangerous symptom for a photo or video.
What owners reported
Did this repair fix the same symptom on your car?
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Useful before authorizing work
Read the method beside the problem
These guides explain the safety and evidence checks that apply to this problem file.
Check recalls by VIN
A VIN search checks the displayed NHTSA records for an unrepaired safety recall associated with one vehicle. A model search shows only the wider campaign population.
Read guide ↗When a car is unsafe
A warning light does not always mean the same thing, but weak brakes or smoke leave little room for experimentation. Damaged tires and certain recall instructions can do the same.
Read guide ↗Why symptoms overlap
“It makes a weird noise” is useful human language. Diagnosis begins when that language is tied to the exact vehicle and its operating conditions.
Read guide ↗More for this model
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