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About Infiniti M45

Infiniti M45 is a mid-size luxury vehicle manufactured by the Japanese automaker Infiniti division of Nissan from 2003 to 2010. The first Infiniti M45 was introduced in 2003 as a 4-door sedan and designed based on the Y34-series Nissan Gloria. Though Infiniti M45 is a very short-lived vehicle and has been produced through two generations, it still is a very distinctive vehicle that has become Infiniti's flagship car for a long time.
The first generation Infiniti M45 (2002-2004) was introduced in 2002 as a 2003 model. In contrast to other Japanese models that were available only with V6 engines, Infiniti M45, however, was powered by a 4.5 L VK45DE V8 engine that could produce 340 horsepower and 333 pound-feet of torque. Then the second generation Infiniti M45 (2004-2010) was introduced for the 2006 model year as a redesigned model. It was offered in base M45 (rear-wheel drive) and M45x (all-wheel drive) trim levels. The second generation both Infiniti M45 and M45x still got power from a 4.5 L V8 engine that could produce 335 horsepower and this engine was fitted along with the same 5-speed automatic transmission that was carried over from previous generation.

Infiniti M45 Common Problems & Maintenance Tips

Even as a very young model with only about three year-history, Infiniti Q50 still make it popular. However, if you want it serves you a longer time, you have the need to learn about latent problems and solutions on it:
First, engine failure. Engine failure is not a rare issue in any vehicle with a long history. However, if you find your Infiniti M45's engine fails prematurely, then you need be alert. As according to some experienced Infiniti M45 owners, when the vehicle reached at a certain mileage, the engine would make squealing or loud knocking noises and the engine performance decreased dramatically as loss of power while accelerating and hard starting or inability to start. If your Infiniti M45 engine also keeps overheating due to leaking coolant and you see stem coming from the radiator as well as Check Engine Light comes on, then the M45 drive belt, M45 crankshaft pulley, M45 oil pan, M45 camshaft position sensor and M45 water pump should get inspected.
Second, suspension and steering issues. Many Infiniti M45 drivers complained the suspension problems impaired their driving experience severely. Because the steering always pulls to the left or right unintentionally, the steering wheel keeps vibrating so that the drivers felt it hard to control the vehicle and the clunking noises distract drivers' attention while driving. If your Infiniti M45 is also suffering from these, then you should have the M45 control arm and M45 sway bar link checked well. As for steering issues, go directly to the M45 power steering hose.
A lot efforts need to spare to keep your Infiniti M45 at the best shape all the time. Headlight may be an unimpressive auto part that gets ignored all the time and can be thought of only at night. You should never neglect its important role in making sure your safe driving at adverse conditions. Headlight could not only light road ahead at night but also works as a warning to other drivers and pedestrians of your presence. So maintain your M45 headlight routinely is essential. Other parts such as power window switch, window motor, door lock actuator, cabin air filter and speed sensor are also very vulnerable in Infiniti M45; please remember to maintain them as well.
A lot efforts need to spare to keep your Infiniti M45 at the best shape all the time. Headlight may be an unimpressive auto part that gets ignored all the time and can be thought of only at night. You should never neglect its important role in making sure your safe driving at adverse conditions. Headlight could not only light road ahead at night but also works as a warning to other drivers and pedestrians of your presence. So maintain your M45 headlight routinely is essential. Other parts such as power window switch, window motor, door lock actuator, cabin air filter and speed sensor are also very vulnerable in Infiniti M45; please remember to maintain them as well.