Description
Factory Infiniti Q40 Workshop Manual (2014-2015)
This factory-level repair manual covers the Infiniti Q40 sedan sold in North American markets from 2014 through 2015, giving DIY owners and professional technicians complete service data for every major system on this V36-platform sport sedan.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | 3.7L VQ37VHR DOHC V6 (328 hp, VVEL variable valve timing) |
| Diesel | N/A |
| Transmissions | 7-speed automatic with manual shift mode & Downshift Rev Matching |
| Drive | RWD, AWD |
| Model Years | 2014-2015 |
| Badge Twins | Nissan Skyline V36 (Japan); successor to Infiniti G37 Sedan |
Common Q40 Repairs Covered
| System | Procedures |
|---|---|
| VQ37VHR Timing Chain | Timing chain tensioner inspection, chain stretch diagnosis, and replacement procedure |
| VVEL System | Variable valve event and lift actuator diagnostics, encoder replacement, and calibration |
| Rear Differential (AWD) | ATTESA E-TS AWD coupling fluid service, rear differential seal replacement |
| Brake System | Front/rear rotor and pad replacement, ABS module bleeding, parking brake adjustment |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Is the Q40 the same as the Infiniti G37 sedan?
Mechanically, yes. The Q40 is built on the same V36 platform as the G37 sedan and shares the VQ37VHR engine and 7-speed automatic transmission. Infiniti rebranded the G37 sedan as the Q40 for 2014-2015 as part of a company-wide naming overhaul. This manual covers both RWD and AWD variants across all trim levels — base, Premium, and Sport.
Does this manual cover the AWD drivetrain?
Yes. Both rear-wheel drive and AWD configurations are fully covered, including the ATTESA E-TS all-wheel drive system, rear differential, propeller shaft, and associated electronics. Transfer case fluid specifications and coupling service intervals are included.
Are wiring diagrams included for the Q40’s electronic systems?
Complete electrical schematics are part of this manual. Coverage includes the engine management system, fuel injection wiring, charging and starting circuits, airbag modules, climate control, power windows and locks, audio and navigation, and all body electrical components with connector pinouts and wire color codes.
What format is the manual?
This manual is a fully searchable PDF file. It works on any device with a PDF reader — Windows, Mac, Linux, tablet, or smartphone. Individual pages or full sections can be printed for garage use, and your download is available for re-access at any time after purchase.
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