The service and repair manual for the 2018 INFINITI Q70L — 5.6L V8 and 3.7L V6 engines, 4 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 | 2018 |
|---|---|
| Engines | 5.6L V8 — 339 cu in, DOHC 3.7L V6 — 226 cu in, DOHC |
| Trims | 5.6 Sedan 4-Door · 3.7 Luxe Sedan 4-Door · 3.7 Sedan 4-Door · 5.6 Luxe Sedan 4-Door |
| Federal record | 1 recall · 5 complaints · 3 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2018 Q70L manual
03 / ContentsSections in the manual
- Quick Lookups 1,020
- General Information 1,502
- Accessories & Equipment 5,707
- Heating, Ventilation & A/C (HVAC) 319
- Body & Frame 1,847
- Maintenance 140
- Brakes 603
- Restraints 674
- Drivelines & Axles 361
- Steering 578
- Electrical 4,457
- Suspension 321
- Engine Mechanical 594
- Transmission 521
- Engine Performance 2,901
- Front Axle Nut 92
- Front & Rear Hub Bolts 65
- Rear Axle Nut 74
04 / Known issuesRecalls on federal record for the 2018 Q70L
- Power Train — driveline › driveshaft · 24V470000A broken driveshaft can result in a loss of drive power, or a vehicle roll away when the vehicle is.
Owners have filed 5 complaints and INFINITI has issued 3 technical service bulletins for the 2018 Q70L. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2018 Q70L manual
Is this manual specific to the 2018 Q70L?
Yes. It is the OEM manual matched to the 2018 model year, covering the 5.6L V8 and 3.7L V6 across the 5.6 Sedan 4-Door, 3.7 Luxe Sedan 4-Door, 3.7 Sedan 4-Door, 5.6 Luxe Sedan 4-Door trims. Specifications and procedure sequences are the ones INFINITI published for this year.
What 2018 Q70L problems does it help with?
1 recall is on federal record for the 2018 Q70L, covering power train. 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 2018 Q70L wiring diagrams?
Yes — the complete wiring diagrams for the 2018 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 Q70L years and 2018 INFINITI models
2019 Q70L · 2017 Q70L · 2016 Q70L · 2015 Q70L · all 5 years
2018 INFINITI Q50 · 2018 INFINITI Q60 · 2018 INFINITI Q70 · 2018 INFINITI QX30 · 2018 INFINITI QX50 · 2018 INFINITI QX60 · 2018 INFINITI QX70 · 2018 INFINITI QX80 · every 2018 model