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Does the car chassis need to be painted?

1 Answers
VonBrielle
07/29/25 8:56pm
Chassis paint, also known as chassis armor, is not mandatory but provides certain protective benefits for the vehicle's undercarriage. Below are the key features of chassis armor: 1. Impact and corrosion resistance: The coating is a non-toxic viscous rubber layer that forms a durable elastic protective barrier after application. It safeguards against collisions, rust, and damage from flying stones and gravel, remaining stable even at temperatures exceeding 148°C without melting or sagging. 2. Heat and acid resistance: Primarily protects against summer road surface heat and acid rain erosion. While some new vehicles receive basic factory treatment for the chassis, this falls far short of the protection offered by professional chassis armor products.
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What are the differences between Sagitar and Bora?

The differences between Sagitar and Bora are as follows: 1. Different production platforms. Sagitar's production platform is more advanced than Bora's, so whether it's chassis craftsmanship, laser welding length, or overall vehicle assembly quality, Sagitar surpasses Bora. 2. Different production technologies. Sagitar is the latest product of Volkswagen's PQ35 platform, while Bora is a product of Volkswagen's PQ34 platform. The new Bora is a hybrid developed by applying Sagitar's technology on the basis of Bora and incorporating the preferences of Chinese consumers, rather than being entirely new. Sagitar, on the other hand, is the fifth generation of Jetta, both in terms of technology and model, being larger and more advanced. If comparing which one is more worthwhile, naturally it's Sagitar. 3. Different configurations. Bora lacks rear air vents, while Sagitar features rear independent suspension.
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What is the wading depth of the Great Wall M4?

The safe wading depth of the Great Wall M4 is when the water level does not exceed half the height of the vehicle's tires. Below is an introduction to the Great Wall M4: Vehicle Dimensions: The Great Wall M4 has a body length, width, and height of 3995 mm, 1728 mm, and 1617 mm respectively, with a wheelbase of 2383 mm. The wheelbase is the distance between the centers of the front and rear wheels. In terms of exterior dimensions, the Great Wall M4 can be considered a typical compact SUV, with a 185mm ground clearance and relatively large tire size, indicating its off-road capability. Engine and Suspension: The Great Wall M4 is equipped with a 1.5L VVT all-aluminum engine developed by Great Wall, which is widely used in multiple products under the Great Wall brand. The vehicle features four-wheel disc brakes and a rear longitudinal arm torsion beam composite suspension, which, although semi-independent, aligns well with the Great Wall M4's positioning.
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What are the causes of Audi oil level sensor failure?

Audi oil level sensor failure causes are as follows: 1. The oil level sensor is faulty. 2. There is an open circuit or poor contact in the connection line between the oil level and the instrument panel. 3. The instrument panel itself is faulty. The treatment measures and fault analysis are as follows: 1. Treatment measures: Replace the oil level sensor, the fault indicator light will no longer illuminate, and the fault is eliminated. 2. Fault analysis: The engine oil level converts the oil surface height and temperature of the engine oil pan into a pulse signal whose width changes with the oil level, and inputs it into the instrument panel ECU. The ECU analyzes and calculates this pulse signal and then outputs a control signal to display the oil level and temperature on the instrument panel, and uses it as the basis for whether the low oil level warning light is illuminated. When the oil level sensor has no signal output, or the signal is not within the normal range, the ECU will illuminate the oil level sensor fault indicator light to remind the driver to repair the fault in time.
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Can I Schedule the Subject Three Test Right After Passing Subject Two?

You can schedule the Subject Three test right after passing Subject Two. As long as you have obtained your driving study certificate for at least 30 days, which means 30 days have passed since you passed Subject One, you are eligible to schedule the Subject Three test. Even if you have just completed Subject Two, you can still schedule Subject Three as long as this condition is met. Here is some information about Subject Three: 1. Subject Three is part of the motor vehicle driver's license examination, referred to as the road driving skills and safe civilized driving knowledge test. 2. The road driving skills test generally includes: preparation before getting on the car, simulated lighting test, starting, driving in a straight line, shifting gears, changing lanes, parking by the roadside, going straight through intersections, turning at intersections, meeting vehicles, overtaking, making U-turns, and night driving. The test content varies for different types of vehicles.
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Can a PHEV Engine Charge the Battery?

PHEV engine can charge the battery. Introduction to PHEV: In new energy vehicles, PHEV refers to Plug-in Hybrid Electric Vehicle, which is a type of new energy vehicle that falls between pure electric vehicles and fuel-powered vehicles. It has both the traditional car engine, transmission system, drivetrain, fuel system, and fuel tank, as well as the pure electric vehicle's battery, motor, and control circuit. Advantages of Hybrid Electric Vehicles: Saves fuel energy. They generally use natural gas, petroleum gas, hydrogen, or electricity as power sources. Reduces exhaust emissions and protects the environment. Electric vehicles do not produce tailpipe emissions and are pollution-free. Hydrogen-powered vehicles emit only water, causing no environmental pollution. Because they are essentially zero-emission, they are also exempt from traffic restrictions based on license plate numbers. Low noise. High efficiency. Generally, new energy vehicles adopt new technologies and structures, making them more efficient.
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Will Stepping on the Gas in P Gear Damage the Car?

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