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What Causes High-Temperature Coolant Spray in a Car?

1 Answers
IsabelaLynn
07/29/25 11:32am
It is possible that during the car's operation, the high-temperature environment of the engine causes the coolant to heat up, reach boiling point, and subsequently overflow. Alternatively, the coolant may not be circulating properly due to a thermostat not opening, a malfunctioning water pump, or a blockage in the water circulation system, leading to coolant spray. If coolant sprays out, it is recommended to pull over and let the engine idle for a while to allow the temperature to gradually decrease. Check if the cooling system is functioning properly and inspect the coolant level. Do not turn off the engine immediately, as shutting it down will stop both the cooling fan and coolant circulation, causing the engine to become even hotter. Open the hood to increase airflow and allow the water temperature to drop before removing the radiator cap. Turn it one notch and wait for the internal steam to escape before fully opening it. Do not add coolant immediately, as boiling water in a sealed container creates pressure. Opening the radiator cap right after boiling can cause the pressurized water to spray out, potentially causing burns. Afterward, check the radiator hoses for leaks. If the issue is caused by insufficient coolant, replenish it once the engine temperature has lowered. If coolant is unavailable, you may add a small amount of water as a last resort and proceed to the nearest repair shop for maintenance or replacement.
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What are the causes of electrical failure in the Touareg electronic parking brake control unit?

The causes of electrical failure in the Touareg electronic parking brake control unit: 1. The parking brake is not fully released: You can pull the parking brake and release it again to see if the light goes off. 2. Brake fluid leakage: You can go to a repair shop or 4S store to check and fix the brake fluid leakage, then replenish the brake fluid, and these two lights will turn off and return to normal. 3. Worn brake pads: This causes the brake fluid level in the reservoir to drop. When the level drops to the point where the sensor is activated, the parking brake light will illuminate. However, if the fluid level is just at the threshold of activation, the light may flicker on and off as the vehicle moves. Therefore, first check the brake fluid level by opening the hood and inspecting the brake fluid reservoir, which has marked levels. If the brake fluid is indeed too low, you should check whether the brake pads have worn to their limit.
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What is the average fuel consumption of the Regal 2.0L?

The average fuel consumption of the Regal 2.0L is 10-12L per 100 kilometers. Below are the detailed specifications of the Buick Regal: 1. Powertrain: The Regal offers three powertrain options: a 1.5T/2.0T turbocharged engine and a 1.8L hybrid system. The 1.5T engine delivers a maximum power of 163 horsepower, while the new 2.0T engine produces a maximum power of 254 horsepower. The hybrid model shares its powertrain with the Malibu XL hybrid, consisting of a 1.8L naturally aspirated engine and an electric motor, with the engine providing a maximum power of 123 horsepower. Conventional models are paired with a General Motors 9-speed automatic transmission, while hybrid models come with an E-CVT transmission. 2. Vehicle Positioning: The Buick Regal is positioned as a mid-to-high-end sedan, with dimensions of 4902mm in length, 1863mm in width, and 1456mm in height, and a wheelbase of 2829mm.
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What happens if you turn the steering wheel too early in the first step of reverse parking?

There is a risk of the wheels crossing the line. The following are specific operation methods: 1. Adjust the car body: Turn the steering wheel one and a half more turns, keep observing the car body as it moves backward, and when the right front door handle enters the garage, turn the steering wheel to the right again. Then, according to the angle of the car body, turn the steering wheel half a turn or a full turn to the right to straighten the car body. 2. Avoid crossing the line: The direction should be turned towards the side where the wheel is far from the edge line. While adjusting the car body, this can also prevent the other wheel from crossing the line. Do not wait until the car body is straightened to turn the steering wheel back; it must be turned back in advance, otherwise the car body will tilt to the other side again. After entering the garage, follow the principle of fine-tuning. The most feared thing in reverse parking is turning the steering wheel too sharply. 3. Observe the rearview mirror: Follow the principle of frequently checking the rearview mirror. The most difficult part of curved driving is not crossing the line. Only by constantly observing the distance between the wheels and the edge line from the rearview mirror can you find the right time to turn the steering wheel. Turning the steering wheel should be decisive and precise, without hesitation. Once the right point is found, the steering wheel should be turned in one step. The driving speed should be slow. Even if you can't find the point or miss it, you can slowly adjust back.
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What is the reason for the sudden failure to start the Excelle?

The main reason is the wear of the starter motor's brushes or improper brush surface, leading to poor contact with the commutator. Below is relevant information about the Buick Excelle: 1. Introduction: The Buick Excelle is based on General Motors' global platform. The prototype of the Excelle is the latest globally developed mid-size sedan by General Motors, primarily designed and developed by GM Daewoo Auto & Technology (GMDAT). On April 21, 2003, SAIC-GM launched the new mid-size car, known as the "middle Buick" Excelle. SAIC-GM grandly introduced the "Buick Excelle" based on a brand-new product platform, officially entering the highly potential mid-size car market. 2. Vehicle Positioning: The Buick Excelle is positioned as an entry-level family car, featuring a dynamic exterior and high-quality interior, offering the quality enjoyment of a "first car in life"; the new drive system is smooth and fuel-efficient, while the entire series comes standard with the 10th generation OnStar full-time online assistance, built-in 4G-LTE mobile hotspot, utilizing eConnect intelligent connectivity technology, supporting Apple CarPlay and Baidu CarLife, among others.
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How many kilowatt-hours does a Tesla consume per kilometer?

Cruising at a steady speed, the energy consumption is 13.5 kWh per 100 kilometers, costing less than 0.2 yuan per kilometer. Below are Tesla's automotive products: 1. Tesla Roadster: The first car developed by Tesla, the Roadster, was based on the Lotus Elise sports car. The three most critical technologies for electric vehicles are the battery, motor, and drivetrain. Tesla's drivetrain technology comes from AC Propulsion; its batteries are sourced from Panasonic's 18650 cells; and its motors are supplied by Taiwan's Fukuta Motor. 2. Tesla Model S: A full-size high-performance electric sedan manufactured by Tesla Motors, launched in mid-2012. The car was designed by Franz von Holzhausen, who previously worked as a designer at Mazda North America. 3. Tesla Model X: On February 9, 2012, Tesla Motors unveiled the full-size all-electric SUV Model X, featuring futuristic falcon-wing rear doors. Powered by high-performance electric motors, it accelerates from 0 to 96 km/h in under 5 seconds. 4. Tesla Model S P85D: The Tesla Model S P85D is equipped with an all-wheel-drive system, capable of reaching a top speed of 155 mph. Additional radar and cameras enable pedestrian and road sign recognition, facilitating features like automatic parking, highway autopilot, and traffic jam assist.
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What lights to turn on when visibility is less than 50 meters in heavy fog?

Turn on the fog lights, low beam lights, clearance lights, front and rear position lights, and hazard warning flashers. The following are specific details: 1. When visibility is less than 50 meters: Turn on the fog lights, low beam lights, clearance lights, front and rear position lights, and hazard warning flashers. The speed should not exceed 20 kilometers per hour, and you should exit the highway from the nearest exit as soon as possible. 2. When visibility is less than 100 meters: Turn on the fog lights, low beam lights, clearance lights, front and rear position lights, and hazard warning flashers. The speed should not exceed 40 kilometers per hour, and you should maintain a distance of more than 50 meters from the vehicle in front in the same lane. 3. When visibility is less than 200 meters: Turn on the fog lights, low beam lights, clearance lights, and front and rear position lights. The speed should not exceed 60 kilometers per hour, and you should maintain a distance of more than 100 meters from the vehicle in front in the same lane. 4. Notes: If fog lights are not installed, turn on the small lights and running lights of the vehicle. If the car is stationary, turning on the hazard warning flashers is acceptable, but they should not be used while driving.
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