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What are the symptoms of a faulty front brake caliper?

1 Answers
StKiara
07/30/25 5:43am
Signs of a damaged car brake caliper include soft brakes, brake failure, and brake pulling. Soft brakes: When applying the brakes, if you notice the braking feel is noticeably soft and the stability decreases with repeated braking, it could be due to poor sealing of the brake master cylinder or caliper piston, or a rupture in the brake line causing fluid leakage. In this case, check for any traces of brake fluid. Brake failure: If you experience a sudden momentary loss of braking while applying the brakes, inspect the brake fluid level first, then check the brake master cylinder, caliper, and hoses for any signs of brake fluid leakage. If present, it indicates severe leakage from the brake caliper or master cylinder, requiring immediate repair. Brake pulling: If the vehicle pulls to one side during braking, it's likely due to rust on the brake caliper or expansion of one of the pistons inside. This issue must be addressed promptly as controlling direction during pulling is difficult, especially for vehicles without ABS (Anti-lock Braking System), posing significant danger.
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Is the Corolla engine originally imported?

The Corolla engine is not imported; it is assembled by Tianjin FAW Toyota Engine Co., Ltd., with technology provided by Toyota. The Corolla uses two types of engines: one is a 1.2-liter turbocharged engine, and the other is a 1.8-liter naturally aspirated engine. The following are precautions for using car engines: 1. Avoid driving in neutral: The engine itself has a deceleration fuel cut-off function, and driving in neutral is not conducive to fuel economy. 2. Pay attention to observation during daily use of the vehicle. If oil is found on the ground, determine whether there is an engine oil leak and communicate with the car 4S store in time to eliminate potential safety hazards. 3. For cars equipped with turbochargers, do not turn off the engine immediately after high-speed driving or climbing a slope. Let the engine idle for 10 minutes before turning it off. Cars with turbochargers form carbon deposits several times faster than ordinary naturally aspirated cars. 4. When brake oil is mixed with or absorbs water, or if impurities or sediments are found in the brake oil, it should be replaced or carefully filtered in time. Otherwise, it will cause insufficient braking pressure, thereby affecting the braking effect.
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What engine does the Passat New Energy use?

Passat PHEV is equipped with a 1.4T+motor P2 plug-in hybrid system. A motor is added between the engine output end and the transmission input end to achieve pure electric and hybrid working modes. The following is an introduction to the Passat New Energy model: 1. The Passat New Energy model uses a 1.4-liter turbocharged engine. This 1.4-liter turbocharged engine has the code name ea21-djz, with a maximum power of 110kw, a maximum torque of 250 Nm, a maximum power speed of 5000 to 6000 rpm, and a maximum torque speed of 1500 to 3500 rpm. 2. This engine is equipped with direct injection technology and uses an aluminum alloy cylinder head and block. The matched electric motor has a maximum power of 85kw and a maximum torque of 330 Nm. This model uses a 6-speed dual-clutch transmission. 3. The Passat New Energy model uses a MacPherson independent suspension at the front and a multi-link independent suspension at the rear. This model is a plug-in hybrid version. Plug-in hybrid vehicles need to use an external power source to charge the battery, and the battery capacity of plug-in hybrid vehicles is quite large, with a high range in pure electric mode.
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Can a B2 license be upgraded to an A1 license?

To upgrade from a B2 license to an A1 license, you must hold a medium-sized bus B1 or large truck B2 license for more than five years, and have no full-point records in the last three consecutive scoring cycles before applying. The upgrade can only be processed at the registered residence. Below is relevant information: B2 License: Permits driving heavy, medium-sized trucks or large, heavy, medium-sized specialized operation vehicles. Heavy and medium-sized trucks mainly include trucks, such as the large dump trucks commonly seen on roads. Large, heavy, medium-sized specialized operation vehicles refer to vehicles equipped with special equipment or devices, such as water sprinklers, concrete mixers, fire trucks, etc. A1 License: The permitted vehicle types include buses with more than 20 passengers, and passenger vehicles with a body length exceeding 6 meters must also use an A1 license. Other vehicle types permitted by the A1 license include: A3 (city buses), B1 (medium-sized buses), B2 (large trucks), C1 (small cars), C2 (small automatic transmission cars), C3 (low-speed trucks), C4 (three-wheeled cars), M (wheeled self-propelled machinery). Only an A2 license can drive full trailers and semi-trailers, which the A1 license does not permit.
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What are the standard dimensions for a car parking space?

According to the "Urban Road Parking Space Setting Standards," the standard dimensions of a parking space are determined based on the size of the vehicle. Small parking spaces typically measure 2.5~2.7 meters in width and 5~6 meters in length. The width of a single-lane turning lane should be no less than 3.5 meters, while a double-lane turning lane should be no less than 5 meters. The turning area should accommodate a vehicle's one-time turning needs. For safety or to accommodate medium and large vehicles, the length is often set to over 6 meters. Details are as follows: (Length ≤6m, width ≤1.8m) vehicles: The spacing between vehicles should be no less than 0.5 meters, and the spacing between the vehicle and walls or the ends of the parking space should also be no less than 0.5 meters. (6m
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How to Determine if a Car is New?

Here are the methods to determine if a car is new: 1. Check the nameplate on the co-pilot side, which shows the production date. For domestic cars, it should not exceed 3 months, and for imported cars, it should not exceed six months. Otherwise, it is a stock car. 2. Check the odometer, which should not exceed 50 kilometers. If you are afraid that the 4S store has adjusted the meter, touch the exhaust pipe to see if there are any black signs. If there are, it means the car has traveled more than 50 kilometers. You can also pull out the oil dipstick to observe whether the oil is turbid. 3. Check the production date of the tires. There are four numbers connected together on the tire. The first two digits indicate the week of production, that is, the week of the year in which it was produced, and the last two digits indicate the year. For example, 2018 is 18. If it is 2518, it means the tire was produced in the 25th week of 2018. 4. Check the production date of the glass. It cannot be later than the production date of the whole car. There are many English letters in the lower corner of the car glass, and at the bottom, there are small dots and numbers. The dots represent the month, and the numbers represent the year. If the dots are in front of the numbers, it means it was produced in the first half of the year. Subtract the number of dots from 7 to get the production date in the first half of the year. If the dots are in the second half of the year, subtract the number of dots from 13 to get the month.
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What to Do When the Oil Pan Bolt Strips?

If the oil pan bolt strips, you can re-tap the oil pan bolt hole or replace it with a slightly larger bolt. Other solutions for a stripped oil pan bolt are as follows: 1. Remove the oil pan and use argon arc welding to attach a nut to the bolt. 2. Seal it with high-temperature resistant sealant. When changing the oil later, use an oil extractor so you don’t need to remove it. 3. If time permits, you can purchase a replacement stripped drain bolt online and directly replace the original bolt. 4. There is currently a product called a "wire thread insert," which is a mature product that can effectively repair stripped threads, including oil pan drain bolts. Repair shops often encounter stripped oil pan bolts and can prepare these in advance. 5. Sometimes, simply replacing the oil pan bolt can solve the issue. Below is some information about the oil pan: The oil pan is the lower half of the crankcase, also known as the lower crankcase. Its function is to enclose the crankcase as an oil reservoir shell, prevent contaminants from entering, collect and store the lubricating oil flowing back from the friction surfaces of the diesel engine, dissipate some heat, and prevent the oxidation of the lubricating oil.
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