The service and repair manual for the 2021 Lincoln Nautilus — 2.7L V6 and 2.0L I4 engines, 3 trims. Matched to this exact model year, so the specifications and sequences are the ones Lincoln published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2021 |
|---|---|
| Engines | 2.7L V6 — DOHC, turbocharged 2.0L I4 — 122 cu in, DOHC, turbocharged |
| Trims | Black Label Sport Utility 4-Door · Base Sport Utility 4-Door · Reserve Sport Utility 4-Door |
| Federal record | 2 recalls · 20 complaints · 125 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 Nautilus manual






03 / ContentsSections in the manual
- Quick Lookups 2,750
- General Information 2,364
- Accessories & Equipment 3,702
- Heating, Ventilation & A/C (HVAC) 239
- Body & Frame 901
- Maintenance 73
- Brakes 173
- Restraints 191
- Drivelines & Axles 93
- Steering 89
- Electrical 2,473
- Suspension 209
- Engine Mechanical 457
- Transmission 295
- Engine Performance 3,291
- Axle Nut/Hub Nut 148
04 / Known issuesRecalls on federal record for the 2021 Nautilus
- Engine And Engine Cooling — engine › hard parts internal/mechanical · 24V635000A loss of drive power increases the risk of a crash.
- Back Over Prevention — software · 25V315000A frozen or missing rearview camera image can reduce the driver's view behind the vehicle, increasin.
Owners have filed 20 complaints and Lincoln has issued 125 technical service bulletins for the 2021 Nautilus. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 Nautilus manual
Is this manual specific to the 2021 Nautilus?
Yes. It is the OEM manual matched to the 2021 model year, covering the 2.7L V6 and 2.0L I4 across the Black Label Sport Utility 4-Door, Base Sport Utility 4-Door, Reserve Sport Utility 4-Door trims. Specifications and procedure sequences are the ones Lincoln published for this year.
What 2021 Nautilus problems does it help with?
2 recalls are on federal record for the 2021 Nautilus, covering engine and engine cooling, back over prevention. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Lincoln dealers.
Does it include 2021 Nautilus wiring diagrams?
Yes — the complete wiring diagrams for the 2021 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $49.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther Nautilus years and 2021 Lincoln models
2024 Nautilus · 2023 Nautilus · 2022 Nautilus · 2020 Nautilus · 2019 Nautilus · all 6 years
2021 Lincoln Aviator · 2021 Lincoln Corsair · 2021 Lincoln Navigator · every 2021 model