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Can a Car Radiator Be Cleaned with a Water Gun?

2 Answers

StJackson

08/26/25 4:01am

Can a Car Radiator Be Cleaned with a Water Gun? A car radiator can be cleaned with a water gun, but the following precautions should be taken: 1. Minimize damage: The radiator is filled with coolant, not plain water. Using water for cleaning may damage the radiator. 2. Avoid damaging car components: Adjust the water gun pressure when cleaning, as excessive water pressure may dislodge certain components, leading to engine failure. Information about car radiators is as follows: 1. Car radiator: Also known as a heat exchanger, it is a key component in the car's cooling system. Its function is to dissipate heat. The coolant absorbs heat in the water jacket, flows to the radiator to release the heat, and then returns to the water jacket for circulation, thereby regulating temperature. 2. Working principle: When the engine's water temperature is high, the water pump circulates water repeatedly to lower the engine's temperature (the radiator consists of hollow copper tubes. Hot water enters the radiator, is cooled by air, and then circulates back to the engine cylinder walls), achieving the purpose of protecting the engine. In winter, if the water temperature is too low, the water circulation will stop to prevent the engine from becoming too cold.

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DelAllie

09/08/25 5:01am

I always thought using a pressure washer to clean the car radiator was a great idea, believing it would save money and allow me to DIY. But the result? Last time I tried it, the high-pressure water jet was too strong and flattened those delicate cooling fins, drastically reducing the radiator's efficiency. Later, my car overheated and triggered a warning under high temperatures, forcing me to take it to the shop for repairs. The technician told me that radiators have fragile aluminum or copper cooling fins, and high-pressure water can deform and clog them, or even splash water into the electrical system, causing short circuits. Since then, I've learned my lesson—now I regularly use a professional coolant cleaner mixed with water for a gentle rinse. For routine maintenance, it's recommended to check the coolant level weekly to prevent dirt buildup. After all, radiator issues can easily lead to engine overheating, and the repair costs are much higher than a professional cleaning.

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Can a mortgaged car with a settlement certificate be purchased?

A mortgaged car with a settlement certificate can be purchased because the settlement certificate indicates that the vehicle does not owe any money to anyone, and the debt relationship is relatively simple, thereby reducing some risks. With the car in hand, the owner becomes the first creditor. According to some provisions of the Property Law, the owner will legally possess the vehicle. Settlement certificate: It refers to the written document provided by the lending bank after the owner has repaid the bank loan, proving that the borrower has completed the repayment of the loan. Related information: The "Loan Settlement Certificate" is required to go through the release procedures with relevant authorities (if a mortgage registration has been processed). Having a settlement certificate means that the loan for this car has been fully repaid, and the bank has issued the settlement certificate. There may be other reasons why the mortgage has not been released temporarily. If the original owner does not come forward, the mortgage cannot be lifted, which is the case for a mortgaged car with a settlement certificate.

How often do large bus drivers undergo medical examinations?

Once a year, which means submitting a health certificate during the annual review. Below is the relevant information: 1. Annual Review Regulations: According to the new annual review regulations, the annual review for drivers holding AB driving licenses has been changed from once every two years to once a year. If there are no demerit points in the previous demerit point cycle of the driving license, the review can be exempted. 2. Driving License Regulations: The annual approval period for AB driving licenses has been changed from once every two years to once a year. If there is no demerit record, the review can be exempted. According to current regulations, A and B driving licenses must be submitted once every two years with a health certificate, and drivers must undergo an examination once a year. However, according to Article 123 of the 'Regulations on the Application and Use of Motor Vehicle Driving Licenses' issued by the Ministry of Public Security, only A and B level drivers with demerit points must participate in the annual assessment, and the assessment must include a declaration of health status.

Why does the Tiguan sunroof fail to close when tilted upwards?

Tiguan sunroof failing to close when tilted upwards is usually caused by foreign objects in the sunroof guide rails or a malfunction of the sunroof motor. If there are obstructions in the sliding rails or insufficient lubrication, excessive resistance may prevent proper closure. First, check the sliding rails: When lubrication is insufficient and resistance is too high, the sunroof's automatic anti-pinch feature will activate, manifesting as failure to close. The main maintenance for sunroofs involves lubricating the sliding rails. Lack of lubrication over time can lead to abnormal noises, poor movement, incomplete sealing, or even jamming and displacement, potentially burning out the motor. Check the electrical system: Inspect whether the electric sunroof's fuse has blown. If the fuse is intact, examine whether the sunroof switch is damaged. Press the switch to check if power is being supplied. If power is present, then verify whether the sunroof's drive motor is functioning by listening for any operational sounds. Additionally, failure to close tightly may be due to obstructions, deformations, rust, or poor lubrication in the sunroof's sliding channels.

How Much Water in the Passenger Compartment is Considered Severe?

Water reaching the vehicle's floor area is considered severe. Once water enters the interior of a motor vehicle, it can cause various issues. The wiring harnesses of motor vehicles are all fixed on the floor, and water ingress can lead to dampness of the floor, affecting the functionality of the wiring harnesses. In severe cases, it may even cause rotting. More extended information is as follows:1. Precautions: When repairing a water-damaged motor vehicle, it is essential to clearly identify the areas that need repair and have a thorough understanding before driving the vehicle. Although a water-damaged vehicle can be driven normally after repairs, there are still many uncertain factors that may prevent the vehicle from functioning properly and cause malfunctions during operation.2. Others: Water-damaged motor vehicles do not affect the transfer of ownership. All necessary procedures can be completed at the vehicle management office. Water-damaged motor vehicles only have issues with the quality of the car and do not affect the vehicle's documentation. There is no problem with completing the transfer of ownership procedures. Vehicles that cannot be transferred should not be purchased.

What to Do About Loud Exhaust Pipe Noise?

Loud exhaust pipe noise is caused by the aging of the gasket at the connection between the exhaust pipe and the engine. Use a wrench to remove the screws at the connection between the exhaust pipe and the engine. After loosening the screws, separate the exhaust pipe from the engine and place a new gasket on the exhaust pipe. Tighten the screws with a wrench, and the exhaust pipe noise will be reduced. Below are the specific reasons for loud exhaust pipe noise: 1. Blockage: If the exhaust pipe emits strange noises, it indicates that there must be debris inside, such as small animals like mice or kittens. This is very bad for the car engine because the gases expelled by the engine must pass through the exhaust pipe. If the exhaust pipe is blocked, the gases will flow back into the engine, causing high-temperature damage. 2. Muffler rust: The exhaust pipe is located between the muffler and the engine. If the exhaust pipe gets water inside or rusts, it can also cause the muffler to rust. This will increase the car's noise, making passengers feel that the car's sound is particularly loud, resulting in a very poor experience.

Is the front windshield film applied on the inside or outside of the car?

Front windshield films are always applied on the inside. If applied on the outside, exposure to wind and rain would reduce the lifespan by at least two-thirds. Additionally, if applied externally, shattered glass fragments from impacts could injure people, failing to serve the purpose of explosion-proof film. Below are specific details about car window films: 1. Introduction: Car window films involve applying a thin layer of material (also called solar film or heat-insulating film) to the front and rear windshields, side windows, and sunroof of a vehicle. 2. Functions: They primarily block ultraviolet rays, reduce heat transmission, prevent injuries from glass shards, and minimize glare. The one-way visibility feature also helps protect personal privacy. Moreover, these films can shield interior items and occupants from UV damage, reflect sunlight to lower cabin temperature, reduce air conditioning usage, thereby improving fuel efficiency and saving costs.

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