···
Log in / Register

Can the car be driven when the water temperature reaches 100 degrees?

4 Answers
MichaelRose
08/27/25 7:17am

The car should not be driven when the water temperature reaches 100 degrees. The normal operating temperature is around 90 degrees. Continuing to drive at 100 degrees can cause boiling over and cylinder scuffing, severely damaging the engine. Below is additional information on abnormal high temperatures: 1. Common causes of abnormal water temperature include: coolant leakage, insufficient coolant, long periods without adding coolant, failure of the cooling system's fan preventing engine cooling, malfunction of the circulation water pump, damage to the water temperature sensor, or a faulty temperature gauge. 2. If abnormal water temperature occurs, pull over immediately. However, do not turn off the engine right away, as there are various reasons for high water temperature. Shutting down all functions may cause the temperature to remain excessively high, harming the engine. The correct approach is to idle the engine, open the hood, turn on the heater to dissipate heat quickly, and ensure the car is parked in a shaded area.

Was this review help?
12
3
Share
EloiseLee
09/09/25 6:04am

As someone who frequently tinkers with cars, I believe that reaching a water temperature of 100 degrees is no trivial matter. The normal operating temperature range for most vehicles is between 85 and 95 degrees Celsius. Once it hits 100 degrees, it indicates engine overheating. This could be due to insufficient coolant, a clogged radiator, or a malfunctioning fan, which prevents the system from effectively dissipating heat. Continuing to drive under such conditions can cause the engine to overheat excessively, leading to cylinder head deformation or gasket failure, resulting in costly repairs. I recommend pulling over immediately, turning off the engine, and waiting for it to cool down before checking the coolant reservoir to ensure proper fluid levels. If you absolutely need to move the car, adding some distilled water as an emergency measure is acceptable, but it's best to visit a professional repair shop as soon as possible to diagnose the root cause. Regularly inspecting the cooling system, including hoses and fan operation, can help prevent such dangerous situations. After all, engine overheating shortens a car's lifespan, and driving safety should always come first.

Was this review help?
1
5
Share
Expand All
MacEmerson
10/23/25 6:56am

As an experienced driver with years behind the wheel, I know you can't take a 100-degree water temperature lightly. The normal operating temperature should stay around 90 degrees—anything above that means your car is sounding the alarm. Continuing to drive risks sending engine temperatures spiraling out of control, potentially melting or warping internal components and leading to major repairs or even breakdowns. Worse, extreme heat could trigger explosions or accidents, endangering lives. My experience shows that when the temperature gauge hits this point, pulling over immediately is critical—don't push your luck for convenience. Safety steps include turning on hazard lights, shutting off the engine to cool for at least 30 minutes, then checking coolant levels. If low, top it up with water temporarily, but avoid long drives—call roadside assistance or head to a repair shop for thorough inspection. Monthly cooling system checks during routine maintenance prevent these issues. Remember: Stopping to check is always wiser than pushing forward.

Was this review help?
18
5
Share
Expand All
VanAlex
12/06/25 7:18am

As an average driver, I once panicked when my car's coolant temperature suddenly spiked to 100°C. My friend advised me to stop driving immediately, as normal operating temperature shouldn't exceed 95°C - prolonged overheating can severely damage the engine. After pulling over, I discovered the cooling fan wasn't working, and replacing it solved the issue. Continuing to drive with overheating could cause coolant to boil over or leak, rapidly damaging components with potentially massive repair costs. Always allow several minutes for cooling after stopping, then check the reservoir for leaks - adding water can provide a temporary fix. Remember: temperature warnings are critical alerts to address immediately. Regular dashboard monitoring while driving helps prevent such situations.

Was this review help?
13
1
Share
Expand All
More Forum Discussions

What to Do When Your 5-Year Driver's License Expires?

If your driver's license has been valid for 5 years, you don't need to renew it yet. The annual review system has been abolished, and the renewal period is now every 6 years. If your driver's license has been expired for more than one year but less than two years without renewal, you can restore its normal use by passing the subject one exam. However, if it has been expired for more than two years, you will need to reapply for a new license. A driver's license, also known as a 'driving license,' is an official document issued by the government's transportation department to individuals who qualify to drive, typically in the form of a card. To obtain a driver's license, you must meet the minimum age requirement and pass a driving test. The license usually specifies the types of motor vehicles the holder is permitted to drive, such as motorcycles, cars, trucks, buses, etc.
18
0
Share

What Causes the Yellow Engine Light in a Porsche Cayenne?

The yellow engine light in a Porsche Cayenne indicates a fault in the engine. Generally, when a warning light illuminates on the instrument panel, it signifies an abnormality in the corresponding component. Below are the relevant explanations: 1. Damaged Engine Oxygen Sensor: There are many reasons why the engine warning light may illuminate, one of which could be a damaged oxygen sensor. The vehicle's onboard computer uses the oxygen sensor to monitor the oxygen concentration in the exhaust gases. Based on the information transmitted by the sensor, it controls the engine's fuel injection quantity and adjusts the air-fuel ratio. If the oxygen sensor is damaged, the onboard computer cannot receive the transmitted information, causing the engine warning light to illuminate. 2. Damaged Air Flow Sensor: Another possible cause is a damaged air flow sensor. If the air flow sensor is damaged, the onboard computer cannot detect the intake air volume information, which will naturally cause the engine warning light to illuminate and also affect the engine's normal operation.
8
1
Share

What does the pre-test for Subject 2 mean?

Subject 2 pre-test refers to the mock test at the examination site. Here are the precautions for Subject 2 test: Reversing into the garage: The main points for deduction include pressing the line while reversing, the car not entering the garage, exceeding the time limit, and not following the prescribed route. Reversing into the garage must be completed within 210 seconds, exceeding the time limit will result in disqualification, not following the sequence will also result in disqualification, and pay attention to the 30cm margin issue while reversing. Parallel parking: The main points for deduction in parallel parking include the turn signal, 30cm margin, and pressing the line. Right-angle turn: The main points for deduction in the right-angle turn are the turn signal and pressing the line. Operating the turn signal incorrectly after entering the test area will result in a 10-point deduction.
14
4
Share

What Causes the Abnormal Noise in Automatic Transmission?

Here are the specific reasons for abnormal noise in automatic transmission: Bearing wear and damage: When bearings wear out, the gap increases and the fit precision decreases; when bearings are damaged, they cannot operate normally, resulting in abnormal sounds and even causing damage to transmission components, leading to further malfunctions. Long-term failure to replace transmission fluid: The transmission fluid becomes thick and loses its fluidity, which means there is no protective layer between components, leading to direct friction that exacerbates mechanical wear and causes abnormal noise. Using inferior transmission fluid: Inferior transmission fluid has poor heat resistance and is prone to oxidation, forming sludge and residue that can clog filters and oil passages, increasing friction between internal components of the automatic transmission and causing abnormal noise in the vehicle.
1
4
Share

How many points are deducted for speeding by 15%?

Speeding by 15% results in a deduction of 3 points. The introduction to speeding penalties is as follows: Penalty regulations: Speeding within 10% of the road speed limit results in a warning without point deduction, speeding between 10%—20% results in a 3-point deduction, speeding between 20%—50% results in a 6-point deduction, and speeding over 50% results in a 12-point deduction. The formula for calculating the percentage of speeding: (Speed/Limit speed—1)×100, which calculates the percentage of speeding. For example, if the speed limit is 70km/h and the vehicle speed is 80km/h, divide 80 by 70, subtract 1, and multiply by 100 to get 14.28, meaning the speeding is 14%. If the speed limit is 60km/h and the vehicle speed is 70km/h, then divide 70 by 60, subtract 1, and multiply by 100, resulting in 16% speeding.
19
0
Share

What should be turned on when a motor vehicle exits the highway?

When a motor vehicle exits the highway, the right turn signal should be turned on. The turn signal is an important indicator light that is activated when the vehicle turns to alert surrounding vehicles and pedestrians. The turn signal bulb uses a xenon tube, controlled by a single-chip circuit, with alternating left and right flashing in continuous operation. The turn signal employs a flasher to achieve light blinking, which can mainly be divided into three types: resistance wire type, capacitor type, and electronic type. The ramp is a road on the right side of the highway entrance (usually 150 to 200 meters long), serving as the acceleration lane to enter the highway (since the minimum speed on the highway is 70 km/h, all vehicles must accelerate to at least 70 km/h in this lane before entering the highway lane). Before entering the highway, the left turn signal should be turned on. Since the highway lane is on the left, activating the left turn signal allows vehicles behind in the driving lane to clearly understand the intention to avoid accidents.
8
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.