What Causes the Transmission to Make Abnormal Noises When Braking in an Audi?

Reasons Why an Automatic Car Doesn't Move When Reverse Gear is Engaged

Automatic car doesn't move when reverse gear is engaged for the following reasons: 1. Gear not fully engaged: The vehicle's handbrake may not be released, or the synchronizer in the transmission may be stuck. First, check if the gear is fully engaged. If the operation is correct, it may require maintenance. 2. Vehicle malfunction: This could be due to a reverse gear oil circuit leak, a fault in the reverse or high gear clutch, or an issue with the brake system. In such cases, immediate inspection is recommended to minimize transmission damage. Additionally, always ensure the vehicle is completely stationary before engaging reverse gear to avoid vibration issues when reversing.

13

3

Share

Can the BMW 5 Series Run 500,000 Kilometers?

With proper maintenance and correct usage, the BMW 5 Series can run 500,000 kilometers without any issues. The BMW 5 Series is a mid-to-large luxury sedan under the BMW brand, competing with models like the Audi A6L and Mercedes-Benz E-Class. The BMW 5 Series has been locally produced in China, with domestic versions featuring extended wheelbases. Body Dimensions: The domestic BMW 5 Series has a wheelbase of 3,108 mm, with length, width, and height measuring 5,087 mm, 1,868 mm, and 1,500 mm, respectively. Powertrain: The BMW 5 Series is equipped with two engines: a low-power 2.0-liter turbocharged engine and a high-power 2.0-liter turbocharged engine. The low-power 2.0-liter turbocharged engine delivers 184 horsepower and a maximum torque of 290 Nm, with peak power achieved at 5,000 to 6,500 rpm and maximum torque available from 1,350 to 4,250 rpm. The high-power 2.0-liter turbocharged engine produces 252 horsepower and a maximum torque of 350 Nm, with peak power achieved at 5,200 to 6,500 rpm and maximum torque available from 1,450 to 4,800 rpm. Suspension: The BMW 5 Series features a double-wishbone independent front suspension and a multi-link independent rear suspension.

7

2

Share

What are the symptoms of a faulty car clutch?

There are several main symptoms of a damaged car clutch: 1. Clutch slipping: When starting the car in low gear, after releasing the clutch pedal, the car either fails to start or has difficulty starting; during acceleration, the vehicle speed does not increase with the engine speed, resulting in a feeling of weak driving, and in severe cases, a burning smell or smoke may occur. 2. Incomplete clutch disengagement: Even when the clutch pedal is fully depressed, the power between the clutch's driving and driven plates cannot be completely cut off, leading to difficulty in shifting gears, gear grinding, inability to stop, or clutch overheating. 3. Clutch shudder: The entire vehicle shakes during startup, especially when idling and gradually releasing the clutch pedal in low gear, causing continuous jerking.

14

4

Share

Is it necessary to install a sunshade mat in a car?

If you often park your car in direct sunlight, it is necessary to install a sunshade mat. Here is a detailed introduction to car sunshade mats: 1. Advantages: Since many car dashboards are made of hard plastic, they can easily refract light onto the windshield in summer, affecting the driver's visibility. Additionally, high temperatures can cause volatilization of hard plastic materials, making it essential to place a sunshade mat. Car sunshade mats provide protection for the vehicle. If the car is frequently exposed to intense sunlight, the internal temperature can rise excessively, increasing the risk of car malfunctions. With rising temperatures and UV indices in recent years, using a car sunshade mat is necessary for sun protection. 2. Disadvantages: Sunshade mats can absorb sunlight but may directly affect heat dissipation. They also require regular cleaning, as long-term placement can lead to dust accumulation.

2

5

Share

What Causes Severe Vibration When the Car Air Conditioner is On?

Severe vibration when the car air conditioner is on can be caused by the following reasons: 1. Dirty throttle: This affects the engine. If the air conditioner is turned on at this time, it will increase the engine idle load, resulting in steering wheel vibration. 2. Carbon buildup in the throttle: If the throttle is not maintained for a long time, carbon deposits can easily form. These deposits obstruct the engine's air intake, making it difficult for the engine to drive the compressor, leading to idle vibration. The solution is to clean the throttle. If the driving environment is harsh, it is best to clean it regularly, recommended every 10,000 kilometers.

4

2

Share

What are the differences between the C43 and C63?

The C43 and C63 have different engines. The AMG C43 Coupe model features newly added aerodynamic deflectors on both sides of the lower front grille, while its taillight design remains consistent with the AMG C63 model. Additionally, it adopts round quad exhaust pipes. The AMG C63 Coupe has an enlarged front grille area, and its latest LED headlights are closer in design to those of the new E-Class. 63 Series Engine: The 63 series is a classic powered by the M177, a V8 biturbo engine, hand-assembled with a technician's signature. The name '63' originates from the 6.3-liter naturally aspirated V8 racing engine (the previous generation's production version was a 6.2-liter naturally aspirated engine, also inheriting the '63' designation). Although this generation's 4.0-liter biturbo engine has a reduced displacement, it still maintains the benchmark tractor-like distinctive exhaust note. 45 Series Engine: The 45 series features compact models equipped with the 2.0T turbocharged M133 transverse engine, named for its extreme power-to-displacement ratio and 450 Nm of torque, achieving initial acceleration performance close to that of the 63 series. Similarly, these hand-assembled engines come with a plaque, offering affordability without compromise. The 43 series uses the M256 V6 biturbo engine. Although its power output surpasses the 45 series, its larger vehicle size and lower power-to-weight ratio result in the weakest acceleration performance. It lacks the 'one man, one engine' hand-assembly process and is tuned conservatively. Additionally, being produced alongside the standard international models, it largely represents the most entry-level AMG model.

9

5

Share

What Causes the Transmission to Make Abnormal Noises When Braking in an Audi?

Reasons Why an Automatic Car Doesn't Move When Reverse Gear is Engaged

Can the BMW 5 Series Run 500,000 Kilometers?

What are the symptoms of a faulty car clutch?

Is it necessary to install a sunshade mat in a car?

What Causes Severe Vibration When the Car Air Conditioner is On?

What are the differences between the C43 and C63?

What is the car ownership in China?

What Gear is Generally Used to Start a Car?

What does the Mercedes-Benz SYNC button mean?

What does engine electronic anti-theft mean?