Infiniti Q50 (V37) Service and Repair Manuals

This is the official service and repair manual created for mechanics and car owners. It includes detailed instructions for diagnosing, repairing and servicing all key Infiniti Q50 systems, such as the engine, transmission, suspension, brakes and electronics. Electrical diagrams, troubleshooting procedures and technical specifications are also provided. This manual will help ensure efficient maintenance and long-term operation of your vehicle, following the manufacturer's standards. 2014-2016 PDF Free Download

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Problems with the InTouch system (multimedia system):

Some owners have experienced problems with the InTouch system, including freezing, slow operation, or incorrect Bluetooth connection.

Signs: Screen freezing, delays when switching menus, phone connection failures.

Solution: Update the software or reboot the system. In extreme cases, replace the head unit.

Timing chain wear on V6 engines (VR30DDTT):

On models with a V6 3.0L engine (twin-turbo), there are cases of timing chain stretching.

Signs: Engine noise, especially when starting, loss of power.

Solution: Replace the timing chain and tensioners.

Oil leak:

On models with a V6 engine, oil leaks are possible through the valve cover gaskets and oil pan.

Signs: Oil stains under the car, the smell of burnt oil.

Solution: Replace gaskets and repair leaks.

Transmission problems (7-speed automatic):

Sometimes there are jerks or delays when shifting gears on an automatic transmission.

Signs: Hard shifts, delays when changing to the next gear.

Solution: Replace transmission fluid, adapt the transmission or repair.

Direct Adaptive Steering (electronic steering) system malfunctions:

There are complaints about unstable steering behavior, especially when driving at high speeds.

Signs: Feeling of loss of contact with the road, sharp deviations of the steering wheel.

Solution: Reprogram the system or diagnose it at a service station.

Brake caliper problems:

Worn or jammed brake calipers can lead to uneven braking.

Signs: Grinding, knocking when braking, overheating of the brakes.

Solution: Replace or repair brake calipers and pads.

Cooling system problems:

The water pump may be faulty or the radiator may be clogged, causing the engine to overheat.

Signs: Increased engine temperature, coolant leak.

Solution: Check the cooling system, replace faulty components.

Power seat problems:

The front power seats may not be working properly.

Signs: The seats do not move, limited adjustment range.

Solution: Check the wiring and power drives, replace faulty parts.