What Causes Engine Abnormal Noise in Alfa Romeo?

Can Changing the Oil Solve the Problem of Water in the Transmission?

Changing the oil after water enters the transmission cannot completely solve the problem. If the water ingress is recent and still controllable, you can try a flush oil change, followed by multiple short-interval oil changes to mitigate the issue. 1. Reason: The oil and water have already fully emulsified. Even with a flush oil change, only about 80-90% of the contaminated oil can be removed. Residual water in the corners of the casing, valve body, and torque converter cannot be completely eliminated. 2. Internal Components: The transmission contains rubber-based components, such as pistons, which absorb water and deteriorate under the high temperature and pressure conditions inside the transmission. 3. Contaminated Transmission Fluid: Water-contaminated transmission fluid loses its lubrication and cooling properties, leading to increased internal mechanical wear due to high temperatures. The resulting metal shavings can enter the valve body, clog solenoids, wear down valve passage walls, and damage the torque converter's lock-up plates. Since the fluid circulates within the transmission, this creates a vicious cycle.

15

1

Share

What is the difference between Golf GTI and R?

In Volkswagen's product lineup, there are three tiers: the standard version, GTI, and R series. 1. The Golf GTI is a high-performance version, commonly known in the industry as a 'hot hatch.' It is primarily equipped with a 2.0 TSI engine, delivering a maximum power of 147 kW and a maximum torque of 280 N·m. The acceleration experience is self-evident, with a 0-100 km/h time of just 7.1 seconds. 2. The greatest joy of such hot hatches is not just acceleration but also the handling performance and the driving pleasure of cornering. 3. The Golf GTI features a four-link independent suspension. In terms of overall tuning, the Golf GTI is more sporty, offering significantly better performance, stronger suspension support and response, faster speeds, superior braking performance, and enhanced stability. 4. The Golf R outperforms the Golf GTI by a considerable margin. Although it also uses a 2.0 TSI engine, its maximum power reaches 206 kW, and the maximum torque is as high as 380 N·m. The official 0-100 km/h acceleration time is reduced to 5 seconds.

5

1

Share

Can the Rear Seats of the Buick GL8 Be Folded Down to Serve as a Bed?

The rear seats of the Buick GL8 cannot be folded down to serve as a bed. If you truly want them to lie completely flat for use as a bed, modifications would be necessary. The Buick GL8 measures 5219mm in length, 1878mm in width, and 1799mm in height, with a wheelbase of 3088mm. Below is an introduction to the Buick GL8: 1. Configuration: It is equipped with the Buick Advanced Intelligent Driving Assistance System, offering 20 advanced intelligent driving assistance features, including LCC Lane Centering Intelligent Cruise, TJA Traffic Jam Assist, HOD Hands Off Detection, and DOW Door Open Warning. 2. Powertrain: It features General Motors' latest Smart-Propulsion Intelligent Drive Technology, comprising the eighth-generation Ecotec 2.0T variable-cylinder turbocharged engine and a 9-speed HYDRA-MATIC intelligent transmission. This powerful combination delivers an output of 174kW and 350Nm, with a combined fuel consumption of just 7.9L/7.8L per 100km. The 9-speed intelligent transmission and the newly equipped ETRS electronic gearshift ensure quicker shift responses and smoother power delivery.

14

1

Share

Differences Between Organic and Inorganic Antifreeze

Organic antifreeze and inorganic antifreeze differ in the following aspects: 1. Composition: Inorganic antifreeze is made from inorganic substances, such as calcium chloride; organic antifreeze contains organic compounds, such as ethanol. 2. Fundamental difference: The essential difference between inorganic and organic antifreeze lies in the composition of the antifreeze base fluid. Traditional inorganic antifreeze cannot be diluted with water, whereas organic antifreeze can. 2. Organic antifreeze: Possesses superior performance that traditional inorganic products cannot match. Organic antifreeze contains more than ten types of organic additives and is free from substances harmful to the environment and human health, such as silicon, phosphorus, chlorine, molybdates, nitrites, and amine salts. Additionally, organic antifreeze not only offers excellent freeze protection but also boasts superior boiling resistance, with a boiling point exceeding 110 degrees Celsius (compared to inorganic antifreeze, which typically boils above 106 degrees Celsius). Its thermal conductivity and heat dissipation capabilities are far superior to those of inorganic products. Organic antifreeze also has excellent storage stability, with a shelf life of up to 5 years, features that traditional inorganic antifreeze lacks.

2

5

Share

What is the difference between HEV and PHEV?

The differences between HEV and PHEV are as follows: The main difference between HEV and PHEV lies in their charging methods. HEVs convert part of the kinetic energy into electricity through a generator when the engine is running, which then charges the power battery. PHEVs, on the other hand, can not only rely on the engine for charging but can also be charged by plugging into an external power source. Additional information: 1. PHEV models: The full English name for PHEV is plugin hybrid electric vehicle, directly translated as plug-in hybrid electric vehicle. Advantages: Long travel range, not restricted by charging, no need to pay purchase tax, eligible for new energy license plates. Disadvantages: Requires fixed charging facilities, high fuel consumption when the battery is depleted. 2. HEV models: The full English name for HEV is Hybrid Electric Vehicle, translated as hybrid electric vehicle, which means adding an electric drive system to a conventional gasoline vehicle. Advantages: No change in driving habits, low fuel consumption, reduced emissions, no range anxiety. Disadvantages: Cannot drive purely on electricity for long periods, not eligible for new energy policies in China.

1

4

Share

How long after car painting can it be driven?

After a car is painted, it can be driven away the same day. The time-consuming part is the preparation before painting. If the car's primer is damaged, rust-proof treatment is also required, so these processes take some time. If the car is painted at a 4S shop, it may take longer because the shop uses a more formal baking process, which can be more time-consuming. If the painting is done at a regular repair shop, the car can usually be driven away the same day. More details are as follows: 1. It's important to note that if the car is painted at a regular repair shop, it's best not to expose the car to rain after painting. After painting, a curing protective film forms on the car's surface. If it rains prematurely, it can affect the effectiveness of this protective film. Moreover, the paint is still soft right after application, and rain can affect its smoothness. In severe cases, the paint may crack during later use, affecting the car's appearance. 2. The most crucial aspect of car painting is color matching, which also takes some time. After the car's surface is painted, minor defects such as coarse particles, flow marks, whitening, sandpaper marks, or orange peel may appear on the paint film. To address these defects, many car owners opt for polishing after painting.

8

2

Share

What Causes Engine Abnormal Noise in Alfa Romeo?

Can Changing the Oil Solve the Problem of Water in the Transmission?

What is the difference between Golf GTI and R?

Can the Rear Seats of the Buick GL8 Be Folded Down to Serve as a Bed?

Differences Between Organic and Inorganic Antifreeze

What is the difference between HEV and PHEV?

How long after car painting can it be driven?

Can modified car interiors pass the annual inspection?

Can Water Be Used to Extinguish a Tire Fire?

How much windshield washer fluid should be added to the Tiguan L at one time?

What are the penalty items for the hill start in Subject 2?