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Lexus boasts of quality Lexus GX470 parts and Lexus GX470 accessories, plus an adequate passenger and cargo room. However, the Lexus GX470 is not perfect. Here are some of its reported imperfections.
The number one most common problem in this area is related to the vehicle's driveshaft, with drivers complaining of a thumping sound that comes from there while driving and accelerating. Lexus is aware of the problem and states many of the GX470s have it. However, service techs acknowledged that replacing the driveshaft doesn't resolve the problem.
Drivers have also complained of rotor problems. After only 15,000 miles excessive wear out of both front and rear brake pads and rotors was reported. The safety concern is the sensation of movement of the car-this is startling and could potentially cause a driver to remove his foot from the brake, possibly leading to an accident.
The transmission design is defective; the vehicle lunges and thrusts forward while the brake is firmly engaged as a result of the defect. The rear driveshaft allows the full weight of the vehicle to slide forward causing a loud thump and propel the vehicle in a forward motion several inches despite having the brake engaged.
Drivers complain of a thumping noise when releasing the brake pedal-a sound that feels like someone is tapping at the rear of the vehicle. Also complained about was a hard accelerating sulfur smell entering the cabin, unintended acceleration of the Lexus GX470 when shifting from park to drive, and jerking when shifting at low speeds.
There have been complaints of the Lexus GX470 suddenly accelerating even when car owners had no intention of the vehicle doing that. Calls of an investigation of all Lexus GX vehicle speed control systems to determine if they develop flaws over time or if there's an issue inherent with the system that causes the uncontrolled skids were made.
General issues drivers experienced were air conditioner condenser leaks; ride height sensors going bad; vibration through the steering wheel and gas pedal; and the DVD player making a high-pitched noise when not in use, especially when idling.