Car Maintenance: Time or Mileage?

What to Do When the Car Battery Is Dead and the Car Won't Start?

You can ask another car owner for help to easily jump-start the car. Here is some relevant information about a dead battery: 1. Precautions: During long-term parking, it is best to start the vehicle at least once a week for more than 5 minutes to charge the battery. Additionally, when the vehicle is parked for an extended period, it is recommended to disconnect the negative terminal of the battery to prevent it from draining. 2. Concept: When the battery is low on charge and the internal resistance is too high, the electrical appliances cannot receive the normal operating voltage and run in a low-voltage state, which is referred to as a dead battery. Moreover, if the car's alternator charging system malfunctions, failing to replenish the battery charge consumed by the starter and other circuits in time, it is also called a dead battery.

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What are the reasons why overrunning clutches are prone to failure?

Overrunning clutches are prone to failure due to the following reasons: 1. The quality of overrunning clutch components such as springs, push pins, and balls, which makes the overrunning clutch less durable; 2. Poor engine oil or emulsified sludge causing the overrunning clutch to slip and the balls to wear; 3. Incomplete clutch separation during gear-starting, leading to increased crankshaft resistance and making the overrunning clutch more susceptible to damage. Overrunning clutches can be divided into two categories based on their working principles: engagement type and friction type. Engagement-type overrunning clutches mainly include ratchet type, sliding pin type, and jaw type. Although engagement-type clutches have a simple structure, they are generally used in low-speed applications due to the significant impact and noise during engagement. Friction-type overrunning clutches engage relatively smoothly and can achieve engagement at any speed difference. Friction-type overrunning clutches are mainly divided into roller clutches, spring clutches, and sprag clutches.

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Why Doesn't Audi's Particulate Filter Get Clogged?

Audi's particulate filter doesn't get clogged because most luxury cars use longitudinally mounted engines, which position the particulate filter closer to the engine where exhaust temperatures are higher, thus generally preventing clogging. However, this only delays the clogging process. Over time, unburned ash deposits will still eventually cause blockages. Solutions for particulate filter clogging: There are two types of particulate filters, and the treatment methods differ between diesel and gasoline vehicles. When a diesel vehicle's particulate filter is clogged, you can park the vehicle and press the regeneration button on the center console. The engine will then automatically increase its RPM while idling, and after about ten minutes, the particulate filter will be cleaned. For gasoline vehicles, you can shift to S mode and drive at higher RPMs for a period of time. This increases the exhaust pipe temperature, allowing the particulate matter in the filter to burn off, thereby resolving the clogging issue. The particulate filter is installed in the exhaust system. Its principle is somewhat similar to that of a three-way catalytic converter. The filter inside the particulate filter effectively captures tiny particles in the exhaust, making the emitted exhaust much cleaner. The vehicle can then increase the exhaust temperature to ensure these particles are fully burned, minimizing air pollution.

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What to Do When the Buick Excelle's Trunk Won't Open?

If the trunk of your Buick Excelle won't open, you need to check the following three points: whether the lock block is broken; check if the screws of the lock block and latch are loose; and inspect if the locking mechanism is damaged. If any of the above issues are found, you should take it to a repair shop for servicing. Below is an extended introduction to the problem: 1. Normal Opening: Under normal circumstances, the vehicle's trunk can be opened using the trunk button on the remote key, or you can try pressing the button on the driver's side door trim panel to open the trunk. 2. Emergency Opening: For models with fixed and non-foldable rear seats, there is an emergency trunk release handle located under the middle cover panel behind the rear seats. Open the cover panel and pull the rope handle inside to release the trunk.

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Does the 2021 Tiguan L have a particulate filter?

The 2021 Tiguan L is equipped with a particulate filter to meet the China VI emission standards. A particulate filter is a ceramic filter installed in the diesel engine's exhaust system that captures particulate emissions before they enter the atmosphere. It can reduce soot emissions from diesel engines by over 90%, and the captured particulate matter is subsequently burned off during vehicle operation. Diesel engine pollution primarily comes from four sources—particulate matter, hydrocarbons (HCx), nitrogen oxides (NOx), and sulfur. Particulate matter (soot) mainly consists of tiny carbon or carbon compound particles (smaller than 4-20μm). How the particulate filter works: The diesel particulate filter is coated with metals such as platinum, rhodium, and palladium. The black smoke containing carbon particles emitted by the diesel engine enters the exhaust particulate filter through a dedicated pipe. The densely arranged bag-type filter inside captures the soot particles on a metal fiber felt filter. When the accumulated particulate matter reaches a certain level, the burner at the end automatically ignites, burning off the captured soot particles and converting them into harmless carbon dioxide. To check whether the 2021 Tiguan is equipped with a particulate filter, you can use the following three methods: 1. Refer to the Owner's Maintenance Manual and Owner's User Manual to see if the particulate filter function is mentioned. Additionally, carefully check the fault codes in the manual to see if there is a "Particulate Filter" warning light indicator. 2. Check the label on the oil cap. If it clearly states 0W-20 grade oil, it indicates the presence of a particulate filter. 3. Look behind the three-way catalytic converter on the exhaust pipe for a cylindrical section. If present, that is the particulate filter.

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What is the Initial DFC car?

Initial DFC is the colloquial name for the Nissan Skyline GT-R civilian racing car produced in Japan. The correct steps to start the car are: 1. Start the car; 2. Shift the gear to N position; 3. Press the electronic handbrake; 4. Shift the gear to D position; 5. Step on the accelerator. Reasons why the car may not start include: 1. Damage to the fuel supply system, such as clogged low-pressure fuel lines, loose pipes causing fuel leaks, air in high-pressure fuel lines, poor technical condition of the injectors, or incorrect injection timing angle; 2. Insufficient air intake due to a clogged air filter element; 3. Insufficient cylinder compression pressure caused by a damaged cylinder head gasket leaking air, valves not closing tightly and leaking air, or worn piston liners leaking air; 4. Issues with the starting system, such as power supply failure, poor contact in the electromagnetic switch, poor contact between the starter motor commutator and brushes, or slipping clutch in the starter transmission mechanism.

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Car Maintenance: Time or Mileage?

What to Do When the Car Battery Is Dead and the Car Won't Start?

What are the reasons why overrunning clutches are prone to failure?

Why Doesn't Audi's Particulate Filter Get Clogged?

What to Do When the Buick Excelle's Trunk Won't Open?

Does the 2021 Tiguan L have a particulate filter?

What is the Initial DFC car?

Can China V Vehicles Still Be Purchased Now?

What kind of transmission does the Camry have?

What are the causes of shock absorber noise in the GLC?

What does Audi's 'Kuachuo' mean?