What is the tire pressure for a 21-inch Cayenne wheel?

Can You Still Drive with a Blown Head Gasket?

It is not recommended to continue driving after a blown head gasket. A blown head gasket can lead to decreased engine power, coolant leaks, and air leaks. If this issue is not addressed promptly, it can cause damage to engine components such as a melted cylinder head, ultimately resulting in engine failure. Symptoms of a blown head gasket include: (1) Sudden increase in coolant temperature as shown on the temperature gauge during engine operation. (2) Coolant overflowing or bubbles appearing in the expansion tank when the accelerator pedal is pressed hard. (3) Oil and coolant stains at the joint between the engine block and cylinder head. (4) A high-pressure gas ejection sound from the engine compartment during operation. (5) Oil stains floating on the coolant in the expansion tank. (6) Noticeable lack of power, significant drop in engine RPM, and black smoke emission when starting the engine.

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What Are the Reasons for Car Wiper Not Working?

Reasons for wiper not working: 1. Fuse blown: The wiper may not work properly due to a blown fuse (which prevents circuit overload). In this case, you need to open the fuse box and check whether the corresponding fuse (refer to the specific instructions on the cover) is blown. If so, simply replace it, but remember to turn off all the car's power before replacement. 2. Motor burnt out: The probability of motor burnout is very low, but there may also be quality control issues. To determine this, first turn the car's ignition switch to the power-on state, then try to open the front hood and turn on the wiper. If it's not broken, you can hear the sound of the motor running, and the sound is quite obvious. If there is no sound and a slight burnt smell, it is likely that the motor is already damaged. In general, if it's not a blown fuse, it's best to go to an auto repair shop for a check.

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What does the yellow exclamation mark on the dashboard mean?

The yellow exclamation mark light on the dashboard indicates a traction control system fault, requiring the traction control system to be turned off. If this light remains illuminated when the traction system is activated, it signifies an issue with the TCS. Here are essential dashboard warning lights that require immediate attention: 1. Tire Pressure Warning Light: This light illuminates when there is a problem with tire pressure. Immediate inspection of the tires is necessary if this light comes on. 2. ABS Light: The ABS (Anti-lock Braking System) is crucial for driving safety. An illuminated ABS light indicates a fault in the system, requiring prompt inspection. 3. Engine Fault Light: This light, usually yellow or red, indicates the engine's operational status. It lights up during vehicle self-check and should turn off after starting. If it remains lit, the engine condition should be checked immediately. 4. Battery Warning Light: Normally, this light turns off after starting. If it stays on, it indicates a battery issue that needs timely repair.

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Why is the car still emitting white smoke after warming up?

When white smoke comes out of the exhaust pipe after the car has warmed up, it could be water vapor. Details are as follows: 1. If you usually see white smoke coming from the car's exhaust pipe, it is actually a large amount of white water vapor being emitted, accompanied by unstable engine operation. Even after the engine has warmed up to normal operating temperature, a large amount of water vapor continues to be emitted. 2. The cause of this phenomenon is likely due to wear in the engine cylinder head gasket, creating a gap that allows a significant amount of coolant from the cooling system to enter the combustion chamber. Water that cannot burn turns into steam when heated and is directly expelled through the exhaust pipe. 3. Additionally, some cars emit white smoke due to encountering so-called 'unscrupulous gas stations,' where the fuel has been adulterated with water by illegal vendors. However, this situation usually results in sudden white smoke emission after a specific refueling, making it relatively easier to identify the cause. 4. If your car is already emitting white smoke, promptly inspect the engine block and cylinder head gasket for damage, and check the fuel tank for water accumulation. If you've just purchased a new car, be sure to carefully review the car's manual and strictly follow the manufacturer's guidelines for adding the correct grade of gasoline.

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What are the symptoms of air in the radiator?

The symptoms of air in the car radiator are: the engine temperature is too high, triggering a high-temperature alarm; prone to boiling over and damaging the engine; coolant may overflow during the cooling process; and the cooling efficiency will be reduced. Methods to remove air from the radiator: 1. Open the engine compartment when the car is cold and check if the coolant is sufficient. There are MAX and MIN level marks on the side of the coolant reservoir. If the level is below the MIN mark when the car is cold, add coolant according to the marks on the reservoir. 2. Inspect all connecting pipes and interfaces for cracks or signs of leakage. 3. Drain the old antifreeze, flush the liquid channels with clean water, allowing the water to continuously flow through the engine cooling system. Then start the engine and let it idle for 3 to 5 minutes to circulate the water. Continue adding clean water until the water coming out is clear. 4. To allow the antifreeze to flow quickly into the radiator, about 1 hour after draining, add new antifreeze through the radiator hose. Add another bottle of antifreeze to the antifreeze reservoir until it is nearly full. Start the car and let it run for about 10 minutes. At this point, as some air is expelled from the cooling system, the fluid level will drop. Add more antifreeze until the level is between the two marks.

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What is the difference between AT and AMT transmissions?

AT and AMT transmissions differ as follows: 1. AT is an automatic transmission, while AMT is a semi-automatic transmission. The main differences lie in their structure and maintenance costs. Additionally, AMT does not come with a torque converter, whereas AT is equipped with one, providing excellent shift smoothness. The AT transmission, commonly referred to as an automatic transmission, typically includes gears such as P, R, N, D, 2, 1, or L. The advantage of this transmission is its relatively stable technology, while the main drawbacks are its high cost and development difficulty. However, AT automatic transmissions still have broad development prospects in the future. 2. AMT is sometimes categorized as an automatic transmission by some manufacturers, but strictly speaking, it is only semi-automatic. Cars equipped with AMT no longer require a clutch pedal; the driver simply needs to press the accelerator pedal to start and drive the car easily. This is particularly important for novice drivers and the overall reliability of the vehicle. The advantages of AMT include its simple structure and lower cost, while the main disadvantage is its noticeable jerking during gear shifts. In China, AMT is currently only used in some A0-class models, whereas AT is the most mature technology among automatic transmissions and is widely used in various vehicle models.

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What is the tire pressure for a 21-inch Cayenne wheel?

Can You Still Drive with a Blown Head Gasket?

What Are the Reasons for Car Wiper Not Working?

What does the yellow exclamation mark on the dashboard mean?

Why is the car still emitting white smoke after warming up?

What are the symptoms of air in the radiator?

What is the difference between AT and AMT transmissions?

What are the steps for cylinder pressure testing?

What to Do When the Car's Primer Comes Off?

What Causes Excessive Consumption of Car Antifreeze?

What is the Principle of Seat Heating?