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What Causes a Car's Water Temperature to Be Too High?

1 Answers
MacClayton
07/30/25 1:54am
The reasons for a car's water temperature being too high are: 1. Insufficient coolant in the engine cooling system; 2. Malfunction of the thermostat, leading to excessive water temperature; 3. Abnormal operation of the cooling fan, resulting in poor heat dissipation of the coolant; 4. Failure in the water pump's operation, causing the pump to rotate improperly; 5. Engine oil entering the radiator. The solutions for high car water temperature are: 1. Pull over to the roadside; 2. Cover the radiator cap with a multi-folded wet cloth, then slightly unscrew the cap to allow steam to slowly escape; 3. Monitor the dashboard's water temperature gauge and, once the radiator pressure decreases, add cold water or coolant.
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More Forum Discussions

What are the reasons why a Nissan won't start?

The reasons why a Nissan won't start include low fuel in the tank, low battery charge, abnormal fuel pump, or a clogged exhaust pipe. First, check if there is fuel in the tank. A vehicle lacking fuel naturally won't start. If the fuel level is very low, check if the car is parked on a slope. When the ground has a significant incline, the fuel in the tank may gather on one side, potentially preventing the fuel pump from supplying fuel properly, leading to the vehicle's inability to start. Check if the vehicle's battery has sufficient charge. If, when starting the engine, you only hear a weak sound from the starter, it's likely due to a depleted battery causing the startup failure. In such cases, the issue can only be resolved by jump-starting or replacing the battery. Method to check if the fuel pump is functioning normally: Generally, when the vehicle is powered on, you can hear a slight sound from the fuel pump turning, which automatically stops after three to five seconds. If you don't hear this sound, the fuel pump may not be working correctly. Such faults usually occur in older vehicles. Most vehicles currently require pressing the clutch pedal (or brake pedal for automatic transmission models) to start normally. However, sometimes, after prolonged parking, the brake pedal may become stiff and hard to press. In this case, the driver needs to press the pedal firmly until the brake light switch is triggered before starting the vehicle. For automatic transmission models, also check if the gear is in P (Park) or N (Neutral) when starting; otherwise, the vehicle won't start. Automatic transmission vehicles cannot start if the gear is in D (Drive) or R (Reverse).
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What Causes the Gear Shift Lever to Shake?

Some models equipped with manual transmissions may experience gear shift lever shaking. A slight tremor in the manual gear shift lever is considered normal. A manual transmission requires the driver to manually move the gear shift lever to change the gear engagement inside the transmission, thereby altering the gear ratio to achieve speed changes. Reasons for Gear Shift Lever Shaking: Most MT (manual transmission) vehicles exhibit some level of shaking. In these models, the gear shift lever is directly connected to the transmission, which in turn is directly connected to the engine. As a result, the engine's inherent vibrations can cause the gear shift lever to shake slightly, which is a normal phenomenon. Severe Gear Shift Lever Shaking: However, if the gear shift lever shakes excessively, it is likely due to incomplete gear coupling. Although the gears may be in contact, they are not fully engaged, preventing power transfer. When the clutch is released while the gears are not fully coupled, the shift lever remains connected to the gears via the linkage, causing the lever to shake. Solutions for Severe Gear Shift Lever Shaking: Severe shaking of the gear shift lever usually indicates that the gear is too high. The driver can downshift or increase speed. If the shaking is particularly severe, immediately press the clutch and downshift by one gear to prevent stalling.
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Can Small Stones Chip Off Car Paint?

Small stones can chip off car paint. Car paint is a protective film sprayed onto vehicles, serving as a type of coating that prevents the body from corroding easily while providing an aesthetic appeal. Different car paints yield different effects, and the quality of the paint itself, along with the technology used and a good painting environment, are all crucial factors. Methods for repairing car paint: For very shallow scratches, immediately treat them with a compound. Wipe in straight lines until the scratch disappears, then use a finer compound for polishing, followed by waxing. For deeper scratches, the key is to check if the metal surface is exposed. If the metal is not visible, rust won't form, and you can focus on applying touch-up paint. Use the tip of a brush to dab the paint gently, then wait for it to dry completely. For deep but fine scratches, colored putty can be an effective repair solution. Use sandpaper on the scratched area without unnecessarily enlarging the surface, ensuring dirt is thoroughly cleaned. Apply the putty carefully to fill the scratch completely, then finish with a compound and wax.
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How Long Are Large Vehicles Generally?

Large vehicles generally have length boundaries of 6 meters, 4 meters, and 3.5 meters. The length, width, and height of trucks are related to their tonnage, varying among different vehicles. Typically, the width ranges from 2 to 2.5 meters, and the length can be from several meters to over ten meters. Heavy-duty Trucks: Heavy-duty trucks refer to vehicles with a total mass exceeding 12 tons and a length over 6 meters. Medium-duty Trucks: Medium-duty trucks refer to vehicles with a total mass greater than 4.5 tons but less than 12 tons, and a length under 6 meters. Light-duty Trucks: Light-duty trucks refer to vehicles with a total mass of 4.5 tons or less and a length under 6 meters. Mini Trucks: Mini trucks refer to vehicles with a total mass less than 1.8 tons and a length of 3.5 meters or less.
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What Causes the Engine Light to Illuminate?

There are several main reasons why the engine light may illuminate: 1. Poor combustion state of the engine: This is the primary reason for the engine fault light to come on. It occurs when the coordination between various engine components is imprecise, leading to poor combustion and triggering the engine indicator light. 2. Engine knocking: When the engine experiences knocking, the engine indicator light will also illuminate. 3. Internal causes for the engine fault light: Poor fuel quality or a dirty engine cylinder interior with severe carbon buildup can also cause the engine fault light to come on.
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Where is the A-pillar located on a car?

The A-pillar refers to the pillars on either side of the front windshield. Here are some key details about the A-pillar:1. The A-pillar is part of the vehicle's body frame and is designed to protect occupants during a collision. It is typically made of hot-formed steel.2. The vehicle body consists of the body frame and body panels. Body panels include the front and rear bumpers, engine hood, trunk lid, front fenders, and four doors. The roof and rear fenders are welded to the body frame, so they are also considered part of the body frame.3. The passenger compartment is formed by the A-pillar, B-pillar, C-pillar, roof rails, and roof. The passenger compartment must be extremely sturdy to ensure the safety of occupants in the event of a collision.
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