Is it okay to not have an underbody shield for the radiator?

2 Answers
FelixLee
07/24/25 6:04pm
It is not advisable to operate without an underbody shield for the radiator. Here are the key details about automotive radiators: 1. Function: The car radiator, also known as a heat exchanger, serves as the core component in the vehicle's cooling system. Its primary purpose is heat dissipation. Coolant absorbs engine heat in the water jacket, releases it when circulating through the radiator, then returns to the water jacket - creating a temperature-regulating cycle. It's an integral part of the automotive engine system. 2. Working Principle: Coolant flows through the radiator core while air passes externally. The heated coolant transfers thermal energy to the air, cooling down in the process, while the air warms up by absorbing this heat. This makes the radiator essentially a heat exchange apparatus.
Was this review help?
5
3
Share
DelAdalynn
08/11/25 10:03am
You can drive without an under-engine shield, but I wouldn't recommend it. The shield mainly protects the radiator and the bottom of the engine from road debris or stones damaging critical components. If you only drive on flat city roads, it might not be a big issue, but if you encounter potholes, construction sites, or rain puddles, you risk scraping the undercarriage. I know many people who tried to save a little money, only to end up spending hundreds or thousands repairing a leaking radiator—it's just not worth it. If you're buying a new car or have the budget for upgrades, I suggest adding the shield as a preventive measure. It doesn't affect the car's performance and can extend the lifespan of parts. Overall, safety comes first when driving, and the installation cost is just a couple hundred—not worth the risk.
Was this review help?
20
3
Share
Expand All
More Forum Discussions

Is it not allowed to stop during reverse parking?

Reverse parking does not allow stopping midway. Subject 2, also known as the small road test, is part of the motor vehicle driver's license assessment and refers to the field driving skills test. The test items for small vehicles C1 and C2 include five mandatory tests: reverse parking, parallel parking, hill start and stop, right-angle turn, and curve driving (commonly known as S-curve). Below are introductions to other test subjects: Subject 1: Also known as the theoretical test or driver's theory test, it is part of the motor vehicle driver's license assessment. The test content includes driving theory basics, road safety laws and regulations, local regulations, and related knowledge. The test format is computer-based. Subject 3: Includes the road driving skills test and the safe and civilized driving knowledge test, which are part of the motor vehicle driver's license assessment. It is the abbreviation for the road driving skills and safe and civilized driving knowledge test in the motor vehicle driver's test. The content of the road driving skills test varies depending on the type of vehicle being tested. Subject 4: Also known as the theoretical test or driver's theory test, it is part of the motor vehicle driver's license assessment. Subject 3 test is divided into two parts: besides the road test, it also includes the safe and civilized driving knowledge test, commonly known as 'Subject 4,' which evaluates 'driving ethics.' The test paper consists of 50 questions, mainly in the form of cases, pictures, animations, etc., with a full score of 100 and a passing score of 90.
14
5
Share

What kind of driver's license is required to drive an 11-seater Jinbei?

To drive an 11-seater Jinbei, a B1 driver's license is required. A1 and A2 driver's licenses are also acceptable. Below are the relevant details: 1. Detail one: Type B driver's licenses include B1 and B2, corresponding to medium-sized buses and large trucks respectively. 2. Detail two: If a Type B driver's license holder has demerit points recorded, they must report to the traffic management department of the public security authority within thirty days after the end of the current scoring cycle for verification. During verification, they must participate in no less than three hours of study on road traffic safety laws and regulations, safe and civilized driving, emergency handling, and other related knowledge, and receive case-based education on traffic accident warnings.
15
5
Share

What Causes the Yellow Engine Warning Light to Illuminate?

The illumination of the yellow engine warning light signifies a warning, indicating that certain system parameters in the vehicle may have exceeded the set range. The vehicle can still be driven at this time, but some functions may be limited. There is also a red engine warning light. When the red warning light comes on, it means the vehicle must stop immediately, turn off the engine, and driving is prohibited until the fault is checked. There are mainly seven reasons for the engine warning light to illuminate: Sensor malfunction: The sensors referred to here include those for coolant temperature, crankshaft position, air flow, intake temperature, oxygen, etc. When these sensors are damaged, have poor contact, or their signals are interrupted, the vehicle's ECU cannot accurately obtain engine data, triggering the engine warning light. Fuel or oil quality issues: Failure to add fuel and engine oil as required by the manufacturer may cause engine wear, leading to the warning light illuminating. Poor mixture combustion: Poor combustion can lead to engine carbon deposits or knocking. Once detected by the oxygen sensor and reported to the ECU, the warning light will illuminate as an alert. Issues such as faulty spark plugs, ignition coils, fuel pumps, or clogged fuel lines can cause poor mixture combustion. Turbocharger issues: Problems with the intake boost pipes or turbocharger can also trigger the engine warning light. The most common issue is turbocharger damage, often accompanied by symptoms like oil leaks, excessive oil consumption, reduced power, metallic noises, or blue/black smoke from the exhaust. Intake problems: If the vehicle's intake system is compromised, it may lead to clogged engine pipes, and in severe cases, the engine warning light will illuminate. A dirty air filter that hasn't been cleaned regularly can cause intake issues. Exhaust problems: Exhaust system faults can also trigger the engine warning light. Common causes include faults in the rear oxygen sensor, catalytic converter, exhaust camshaft, and bearings, with the catalytic converter being the most frequent issue. Using leaded gasoline, lead- or silicon-containing lubricant additives, physical damage to the catalytic converter, or fuel system malfunctions can easily cause catalytic converter failure. Anti-theft system malfunction: If the vehicle's electronic anti-theft system fails or if there's a mismatch between the anti-theft controller and the engine's electronic controller, the anti-theft system can prevent the engine from operating normally, simultaneously triggering the engine warning light. If the engine warning light illuminates, follow these steps: First, check if the engine is running normally. Look for signs of shaking, smoke, etc. If present, avoid restarting the engine. Note: Under no circumstances should the engine be restarted if the red warning light is on. If the engine can be started, turn it off and wait 5-10 minutes. Without pressing the brake, press the start button once or turn the key halfway to the 'on' position without depressing the clutch. The vehicle will perform a self-check upon powering up. After 5-10 seconds, observe whether the warning light on the dashboard turns off. If the warning light remains on, visit a service center as soon as possible to diagnose the issue. The service center can use a portable diagnostic tool to read the fault codes, identify the problem, and perform targeted repairs.
11
2
Share

What Causes a Car to Surge?

Car surging is most likely caused by issues with the engine's vacuum tube or idle speed motor. Below are some relevant introductions regarding car engine maintenance: 1. Maintain good crankcase ventilation: Pollutants in the air can deposit around the PCV valve, potentially causing it to clog. If the PCV valve is blocked, contaminated gases can flow backward into the air filter, polluting the filter element and reducing its filtering capacity. Inhaling excessively dirty air-fuel mixture further pollutes the crankcase, leading to increased fuel consumption, accelerated engine wear, and even engine damage. Therefore, it is necessary to regularly maintain the PCV and clean the pollutants around the PCV valve. 2. Regularly change the engine oil and oil filter: As the oil passes through the fine pores of the oil filter, solid particles and viscous substances in the oil accumulate in the filter. If the filter becomes clogged, the oil cannot flow smoothly through the filter element, which may cause the filter element to burst or open the safety valve, allowing oil to bypass through the bypass valve and carry contaminants back to the lubrication areas. This accelerates engine wear and increases internal contamination.
9
1
Share

What is the warning light icon for low coolant?

The coolant level warning light will illuminate on the dashboard if the coolant is low. Methods to determine if coolant is low: Observe the coolant warning light on the dashboard. If it lights up, it is likely due to low coolant, though it could also be caused by excessively high engine temperature. Check the coolant reservoir. If the level is below the minimum mark (MIN), do not continue driving and add coolant promptly. Inspect the water level marks on the coolant reservoir. The normal coolant level should be between the maximum and minimum marks. If the coolant is below the minimum mark, it indicates a low coolant level. Method for replacing coolant: Before fully replacing the coolant, conduct a thorough inspection to check for any leaks or cracks in the pipes, with particular attention to the five-way hose. The five-way hose is named for its five connections to different parts of the engine, and coolant flows through it to be distributed to various parts of the car. If there are signs of coolant leakage in this area, replace the hose or reseal the connections as needed. Drain the old coolant, then flush the system with clean water. Add clean water to the coolant reservoir and let it circulate through the engine cooling system. Start the engine and let it idle for 3 to 5 minutes to allow the water to circulate. Initially, the water draining out will have a faint pink color. Continue flushing with clean water until the drained water is clear. Remember to remove the heater hose to drain the water from the heater system. After draining for about an hour, add new coolant through the radiator hose to allow it to flow quickly into the radiator. Then, add another bottle of coolant to the reservoir until it is nearly full. Start the engine and let it run for about 10 minutes. As air is purged from the system, the coolant level will drop. Top up the coolant to the maximum mark "MAXT" on the reservoir.
2
5
Share

What is the difference between BMW windshield washer fluid and ordinary windshield washer fluid?

There is no difference. Windshield washer fluid is not particularly demanding, and there is no need to use any special brand; ordinary windshield washer fluid will suffice. Below are the functions of windshield washer fluid: 1. Cleaning performance: Surfactants typically have functions such as wetting, permeating, and solubilizing, thereby aiding in cleaning and removing dirt. 2. Antifreeze performance: The presence of alcohol and ethylene glycol can significantly lower the freezing point of the liquid, thus providing antifreeze effects and quickly dissolving frost. 3. Anti-fog performance: A single-molecule protective layer forms on the glass surface. This protective film prevents the formation of fog droplets, ensuring the windshield remains clear and transparent with a clear view. 4. Anti-static performance: After cleaning with windshield washer fluid, substances adsorbed on the glass surface can eliminate the charge on the glass surface, providing anti-static properties. 5. Lubrication performance: The ethylene glycol in the washer fluid has a high viscosity, which can provide lubrication, reducing friction between the wiper and the glass, and preventing scratches. 6. Anti-corrosion performance: Windshield washer fluid contains various corrosion inhibitors, which are completely safe and non-corrosive to any metals, automotive paint, or rubber.
2
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.