The service and repair manual for the 2021 INFINITI QX50 — the 2.0L I4 engine, 7 trims. Matched to this exact model year, so the specifications and sequences are the ones INFINITI published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2021 |
|---|---|
| Engines | 2.0L I4 — 122 cu in, DOHC, turbocharged |
| Trims | Pure Sport Utility 4-Door · Essential Tech Sport Utility 4-Door · Luxe Sport Utility 4-Door · Autograph Sport Utility 4-Door · Sensory Sport Utility 4-Door · Essential Sport Utility 4-Door +1 |
| Federal record | 2 recalls · 53 complaints · 126 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 QX50 manual






03 / ContentsSections in the manual
- Quick Lookups 999
- General Information 1,483
- Accessories & Equipment 10,957
- Heating, Ventilation & A/C (HVAC) 546
- Body & Frame 2,454
- Maintenance 121
- Brakes 1,381
- Restraints 1,095
- Drivelines & Axles 263
- Steering 2,700
- Electrical 4,423
- Suspension 218
- Engine Mechanical 332
- Transmission 1,054
- Engine Performance 3,450
- Front Hub/Bearing Bolts 65
- Rear Hub/Bearing Bolts 65
- Rear Axle Nut 103
04 / Known issuesRecalls on federal record for the 2021 QX50
- Engine And Engine Cooling — engine › hard parts internal/mechanical · 25V437000Engine failure increases the risk of a crash. a bearing failure may cause a breach in the engine blo.
- Suspension — rear › axle › spindle · 21V402000The steering knuckle or rear axle could deform upon impact, such as from hitting a curb, resulting i.
Owners have filed 53 complaints and INFINITI has issued 126 technical service bulletins for the 2021 QX50. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 QX50 manual
Is this manual specific to the 2021 QX50?
Yes. It is the OEM manual matched to the 2021 model year, covering the 2.0L I4 across the Pure Sport Utility 4-Door, Essential Tech Sport Utility 4-Door, Luxe Sport Utility 4-Door, Autograph Sport Utility 4-Door, Sensory Sport Utility 4-Door, Essential Sport Utility 4-Door, Essential ProASSIST Sport Utility 4-Door trims. Specifications and procedure sequences are the ones INFINITI published for this year.
What 2021 QX50 problems does it help with?
2 recalls are on federal record for the 2021 QX50, covering engine and engine cooling, suspension. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by INFINITI dealers.
Does it include 2021 QX50 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 QX50 years and 2021 INFINITI models
2024 QX50 · 2023 QX50 · 2022 QX50 · 2020 QX50 · 2019 QX50 · 2017 QX50 · 2016 QX50 · 2015 QX50 · all 10 years
2021 INFINITI Q50 · 2021 INFINITI Q60 · 2021 INFINITI QX60 · 2021 INFINITI QX80 · every 2021 model