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What are the causes of abnormal noises in a car?

1 Answers
StTessa
07/24/25 4:55pm
There are 5 main reasons for abnormal noises in a car: 1. Loose screws on the engine underguard. Tightening or adjusting the screws on the engine underguard is required. 2. Aging engine mount pads. The mount pads support the engine and must be replaced if they are worn out. 3. Loose plastic parts in the engine compartment. This could be due to loose engine covers or intake pipes, which can be fixed by tightening them. 4. Abnormal noises from the engine belt. This includes the power steering belt and alternator belt. Worn-out, too loose, or too tight belts can cause noises, which can be resolved by replacement or adjusting the tension. 5. Use of low-quality engine oil or prolonged intervals between oil changes. This can increase friction between the valves and guides, as well as hydraulic lifters, leading to louder engine noises.
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What is the weight of the Benelli TNT 600?

220 kg. Below are detailed relevant information: Introduction: The Benelli TNT 600 is equipped with a 600ml displacement, four-cylinder water-cooled DOHC 16-valve engine with a compression ratio of 11.5:1. It can generate a maximum power of 60 kW at 12,000 rpm, and a maximum torque of 55 N·m, ensuring sufficient traction even at low speeds. The engine features a long-stroke design with a bore and stroke configuration of 65×45.2 mm, achieving maximum torque at just 8,000 rpm. It delivers solid power output in the low-speed range and maintains linear response throughout the entire rev range. Model: The Benelli TNT 600, model BJ600GS, retains the distinctive style of previous Benelli models in its overall lines. In terms of specifications alone, the TNT 600 presents an impressive performance sheet—upside-down front forks, radial-mounted calipers, a high-rigidity frame, and a robust rear swingarm. Even when compared to Japanese 600cc street bikes, these features do not fall short.
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What is the fuel tank capacity of the 2021 Bora?

The fuel tank capacity of the Bora 2021 1.5L Manual Fashion Smart Edition is 50L. It is equipped with a 1.5L naturally aspirated engine and a 5-speed manual transmission (MT). The drivetrain is front-engine, front-wheel drive. The front suspension type is MacPherson strut independent suspension, while the rear suspension type is torsion beam non-independent suspension. In the same class, the Lavida 2022 1.5L Manual Fashion Edition has a fuel tank capacity of 51L. During actual refueling, the amount of fuel may exceed the calibrated capacity. This is because the fuel tank capacity specified by the manufacturer is measured from the bottom of the tank to the safety level, and there is still some space from the safety level to the tank opening. This space is reserved to allow for fuel expansion when the temperature rises, preventing overflow. If fuel is filled up to the tank opening during refueling, the actual refueling amount may exceed the calibrated fuel tank capacity. To check the remaining fuel level, drivers can observe the fuel gauge on the right side of the instrument panel, which is marked with E and F. When the pointer is close to E, it indicates low fuel, while approaching F means the fuel level is sufficient.
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What is the fuel tank capacity of the Classic Focus in liters?

The Classic Focus currently has seven models on sale, all with a fuel tank capacity of 53 liters. The vehicle features front-wheel drive, with a front suspension type of MacPherson independent suspension and a rear suspension type of E-type multi-link independent suspension. The transmission options include manual transmission (MT), automatic manual transmission (AT), and automatic transmission (AT). Among vehicles in the same class, the Peugeot has a fuel tank capacity of 53 liters, the Cavalier has 36 liters, and the Excelle has 44 liters. During actual refueling, the amount of fuel may exceed the calibrated capacity. This is because the fuel tank capacity marked by automobile manufacturers is measured from the bottom of the tank to the safe limit level. There is additional space from the safe limit level to the tank opening, which is designed to allow for fuel expansion when temperatures rise without causing overflow. If fuel is filled up to the tank opening during refueling, the actual amount of fuel added may exceed the calibrated tank capacity. To check the remaining fuel level, drivers can observe the fuel gauge on the right side of the instrument panel, marked with E and F. When the pointer is near E, it indicates low fuel, and when it approaches F, it means the fuel level is sufficient.
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Which is faster, BMW's S gear or Sport mode?

BMW's Sport mode is faster. Sport mode is the sports mode. After the car enters the sports mode, the electronic control unit will automatically switch to the sports style, the engine power response becomes more sensitive, and the car's suspension also becomes stiffer. This mode allows the car to travel at low gear and high speed for a long time, thereby obtaining greater torque output and acceleration. BMW is a German luxury car brand headquartered in Munich, Bavaria, Germany, with three brands: BMW, MINI, and Rolls-Royce. BMW's car series include i, X, Z, and pure numbers 4 models, series 1, 2, 3, 4, 5, 6, 7, 8, etc., as well as the M series, which is improved on the basis of each series.
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What engine does the BMW M8 have?

BMW M8 is equipped with a 4.4-liter V8 twin-turbocharged engine, delivering a maximum horsepower of 626ps, a peak power output of 460kW, and a maximum torque of 750Nm. The engine features a V-type cylinder arrangement with 4 valves per cylinder, and utilizes aluminum alloy cylinder heads and blocks. The BMW M8 is a 2-door, 4-seater hardtop sports car produced by BMW, with dimensions of 4873mm in length, 1912mm in width, and 1381mm in height, and a wheelbase of 2827mm. The vehicle comes with luxurious features such as adaptive headlights, ambient interior lighting, a 16-speaker Bowers & Wilkins Diamond Surround Sound System, adaptive suspension, MServotronic steering system, and offers multiple driving modes to choose from.
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What is the 0-100 km/h acceleration time of the BMW M4 CS?

The 0-100 km/h acceleration time of the BMW M4 CS is approximately 3.9 seconds. The 0-100 km/h acceleration refers to the time it takes for a vehicle to accelerate from 0 to 100 kilometers per hour, which is a direct reflection of the car's power. Various factors such as ambient temperature, road conditions, vehicle wear, and even the amount of remaining fuel in the tank can affect the test results. The BMW M4 CS is a model under the BMW brand, with dimensions of 4679mm in length, 1870mm in width, and 1400mm in height, and a wheelbase of 2812mm. The car is equipped with a 3.0-liter twin-turbocharged inline six-cylinder engine, delivering a maximum torque of 600 Nm at 4000 to 5380 rpm. This engine features BMW's Double VANOS and Valvetronic technologies and utilizes an aluminum alloy cylinder head and block.
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