What are the maintenance items for a car at 90,000 kilometers?

What are the differences between Honda XRV and CRV?

The differences between Honda XRV and CRV: 1. Different classes: Honda XRV is a small SUV; Honda CRV is a compact SUV. 2. Different engines: Honda XRV is equipped with a 4-cylinder 1.5L 131HP naturally aspirated engine; Honda CRV is equipped with a 4-cylinder 1.5T 193HP turbocharged engine. 3. Different suspensions: Honda XRV adopts MacPherson independent front suspension and torsion beam rear suspension; Honda CRV adopts MacPherson independent front suspension and multi-link independent rear suspension. 4. Different dimensions: Honda XRV measures 4328mm in length, 1772mm in width, and 1610mm in height, with a wheelbase of 2610mm; Honda CRV measures 4621mm in length, 1855mm in width, and 1679mm in height, with a wheelbase of 2661mm.

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What is the reason for the constant red light on the Wuling Hongguang mini during charging?

The reasons for the constant red light on the Wuling Hongguang mini during charging are: 1. There is a fault in the vehicle's charging system or power supply system; 2. The generator belt or tensioner is too loose, causing the power supply system to malfunction and the battery light to illuminate; 3. Severe oxidation or looseness of the battery terminals leads to poor contact and the battery light to illuminate. The maintenance methods for the vehicle battery are: 1. Charge the battery promptly when the ammeter shows insufficient power; 2. Adjust the density of the electrolyte according to different regions and seasons based on standards; 3. Add distilled water or special replenishing fluid when the electrolyte is low; 4. The total duration of starting the vehicle each time should not exceed 5 seconds; 5. Start the car periodically when the battery is not in use for a long time; 6. Regularly check if the small holes on the battery cover are ventilated; 7. Check for oxidation on the positive and negative terminals of the battery; 8. Inspect all parts of the circuit for aging or short circuits.

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Does Replacing Valve Stem Seals Count as an Overhaul?

If the valve stem seals are replaced using cylinder head-on technology, it does not count as an overhaul. However, if the engine cylinder head is disassembled to replace the valve stem seals, then it is considered an overhaul. It is recommended that car owners use cylinder head-on replacement technology to replace valve stem seals. In any case, try to avoid opening the engine cylinder head. Here are the two most common reasons for an automobile overhaul: 1. Insufficient engine oil burning. Engine oil burning usually requires repairs in two areas: the valve stem seals and the piston rings. Valve stem seals are made of rubber and can age over time or wear excessively with high mileage, both leading to poor sealing. 2. Insufficient cylinder compression. Insufficient cylinder compression also necessitates an engine overhaul. Symptoms include severe misfiring and shaking in one of the engine cylinders, as well as poor acceleration. There are several possible causes, with the most common being worn piston rings that fail to seal properly, allowing air leakage during piston compression and preventing sufficient pressure buildup. Another possibility is a bent connecting rod. Additionally, unusual noises inside the engine may also require an overhaul. Such noises are typically caused by severe wear, such as cylinder scoring, bearing failure, or excessive wear on the crankshaft or camshaft. These are very serious faults, and the car cannot continue to run without an overhaul.

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Which is more premium, the Audi S3 or A4L?

Here are the specific differences between the Audi S3 and A4L: 1. Dimensions: The Audi S3 measures 4474mm (length) x 1796mm (width) x 1392mm (height) with a wheelbase of 2628mm, while the Audi A4L measures 4851mm x 1847mm x 1411mm with a wheelbase of 2908mm. The Audi S3 is shorter in length compared to the A4L, and its wheelbase is also shorter than that of the A4L. 2. Features: Comparing selected safety features, driving assistance systems, lighting configurations, and interior features, the Audi A4L generally offers a richer set of features than the Audi S3. 3. Performance: The Audi S3 is equipped with a 2.0T turbocharged engine, delivering a maximum horsepower of 290Ps, maximum power of 213kW, and maximum torque of 380N·m, paired with a 7-speed dual-clutch transmission. The Audi A4L also features a 2.0T turbocharged engine, but with a maximum horsepower of 252Ps, maximum power of 185kW, and maximum torque of 370N·m, also matched with a 7-speed dual-clutch transmission. In terms of power output, the Audi S3 is more powerful than the A4L.

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Why is it necessary to clean the throttle valve regularly?

Regular cleaning of the throttle valve is necessary because a dirty throttle valve can cause issues such as engine shaking during idling, insufficient power while driving, increased fuel consumption, engine stalling, and failure to meet emission standards. The throttle valve is a controllable valve that regulates the amount of air entering the engine. Once the air enters the intake pipe, it mixes with gasoline to form a combustible mixture, which then burns to produce power. The steps for cleaning the throttle valve are as follows: 1. Turn off the ignition switch and disconnect the negative terminal of the battery; 2. Remove the throttle cable, intake hose, and screws securing the throttle valve in sequence; 3. Use a cleaning agent to clean the throttle valve, and use a cotton swab to wipe areas that are hard to reach.

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What does the 'set' in Volkswagen cars mean?

In Volkswagen cars, 'set' refers to the tire pressure monitoring reset button. Its function is to allow the owner to adjust the tire pressure of all four tires to the standard level, then press and hold 'set' for three seconds. An exclamation mark symbol will appear on the speedometer, and the tire pressure of all four tires will be set to the level adjusted by the owner. Volkswagen models include: Shanghai Volkswagen Polo, Santana, Lavida, Lamando, and Passat. Taking the Volkswagen Lavida 2021 manual base model as an example, it is a compact car with a body length, width, and height of 4670 mm, 1806 mm, and 1474 mm respectively, a wheelbase of 2688 mm, and a fuel tank capacity of 51 liters.

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What are the maintenance items for a car at 90,000 kilometers?

What are the differences between Honda XRV and CRV?

What is the reason for the constant red light on the Wuling Hongguang mini during charging?

Does Replacing Valve Stem Seals Count as an Overhaul?

Which is more premium, the Audi S3 or A4L?

Why is it necessary to clean the throttle valve regularly?

What does the 'set' in Volkswagen cars mean?

What is the battery model for the Geely Emgrand GS key?

What is the Hazard Warning Flasher?

What is the comfortable tire pressure for the Hyundai Elantra?

What is the role of urea in automobiles?