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What Does the Second Maintenance of a Vehicle Include?

1 Answers

VanCaden

07/30/25 7:05am

Car second maintenance includes the following items: 1. After the engine undergoes the three-clean and three-filter operations, it should start easily, run smoothly, have normal exhaust (meaning the tail gas meets standards), with water temperature and oil pressure meeting requirements, stable speed, no abnormal noises, proper tension of all belts, and no leaks (water, oil, electricity, or gas). 2. The steering free travel and toe-in should meet requirements, with steering being light, flexible, and reliable. The front wheels should not wobble left and right or pull to one side while driving. 3. The clutch free travel should meet requirements, with operation being convenient, separation thorough, engagement smooth and reliable, no abnormal noises, and no oil leaks in the hydraulic system. 4. The transmission, drive axle, universal joint (or half-shaft) transmission device, etc., should be well lubricated, with reliable connections, no abnormal noises or overheating, no gear jumping, flexible gear shifting, and no oil leaks. 5. The brake pedal free travel and brake clearance should meet requirements, with driving and parking brakes functioning well, no pulling to one side or dragging during braking, the inertia proportion valve working normally, and no oil leaks. 6. Tire pressure should be normal (different vehicle models have different high and low pressure standards). 7. The suspension arms and shock absorbers should be fixed reliably, functioning normally, with the wheel hub bearing temperature not overheating after driving. 8. The generator, starter, lights, instruments, signal lights, buttons, switches, and other auxiliary equipment should be complete and intact, functioning normally. 9. All lubrication points of the vehicle should be filled with lubricating oil. 10. The entire vehicle should be washed and cleaned.

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What to Do When Car Keys Are Left Inside the Car

Here are the solutions for when car keys are left inside the car: 1. Spare Key. Generally, two keys are provided when purchasing a car: one for daily use and another as a spare. 2. Key Replacement. Visit a 4S store to get a new key. If the store has it in stock, it can usually be made quickly. If not, it may take 3~5 days for the manufacturer to ship it. 3. Remote Unlocking. Call the OnStar customer service hotline. After verifying the accurate vehicle information, they can remotely unlock the car door. 4. Contact a Locksmith. Ensure the locksmith company has relevant qualifications, is registered with the public security department, and has training certificates. Ask the professional to show their work permit to prove their qualifications. 5. Break the Car Window. Choose the small triangular rear window glass to break, as it is relatively inexpensive and won’t cause much hindrance while driving.

What are the dimensions (length, width, height) of the Nissan Patrol's trunk?

The dimensions of the Nissan Patrol's trunk are 3650mm in length, 1740mm in width, and 1720mm in height. The first impression it gives is its spaciousness. The Patrol adopts a 2+3+2 seating layout, and even with seven adults seated, it doesn't feel cramped. Below is some relevant information about the Patrol: 1. In terms of exterior design, the silhouette of the new Patrol remains unchanged, continuing the overall style of the previous model, with only minor modifications in details, such as the addition of three chrome horizontal bars in the grille and a new style of wheel design. 2. The interior features a symmetrical layout, with the dashboard and door panels wrapped in soft or genuine leather materials. 3. In terms of configuration, even the base model in the lineup comes equipped with features such as tire pressure monitoring, cruise control, front/rear radar, one-touch start, automatic air conditioning, and rear independent air conditioning.

Can 95 and 98 gasoline be mixed?

98 and 95 gasoline cannot be mixed. Using lower-octane gasoline in high-octane vehicles will severely affect the normal operation of the engine, leading to knocking and, in severe cases, reducing the engine's lifespan. Methods for correctly selecting gasoline octane ratings: Choose different octane ratings based on the engine's compression ratio; each vehicle's manual will indicate the engine's compression ratio. For a compression ratio of 7.5-8.0, use 90-octane gasoline; for 8.0-8.5, use 90 or 93-octane gasoline; for 8.5-9.5, use 93 or 95-octane gasoline; for 9.5-10, use 95 or 97-octane gasoline. Choose gasoline with good stability; gas stations from major brands like Sinopec, PetroChina, and CNOOC are more reliable. Choose gasoline with low olefins, low aromatics, and low sulfur; olefins can easily form gums and carbon deposits, clogging fuel lines; aromatics increase CO emissions, causing severe pollution and affecting human health; elemental sulfur and sulfides have strong corrosive effects on metals, accelerating the scrapping of gasoline engines.

Does starting the car without driving consume fuel?

In idle state, fuel consumption is not very high, but if the air conditioning cooling function is turned on, the fuel consumption during idle state is relatively high. The following is an introduction related to starting the car without driving: 1. When the engine is in idle state, gasoline does not burn completely, which will lead to an increase in carbon deposits in the engine. Carbon deposits are very harmful to the engine and often appear in the intake tract, valves, throttle, and combustion chamber. 2. If carbon deposits appear in the combustion chamber, it will increase the compression ratio of the combustion chamber, causing engine knocking, reduced engine power, increased fuel consumption, and damage to the engine.

Which Lane Should Motorcycles Use?

Motorcycles are classified as motor vehicles and should use the motor vehicle lane. Below is relevant information about motor vehicles: 1. The definition of a motor vehicle is a wheeled vehicle driven or towed by a power device, used for transporting people or goods, or for specialized engineering operations on roads. This includes two-wheeled motorcycles and mopeds, both of which are considered motor vehicles. 2. On the carriageways of highways and urban roads, the lane from the first vehicle division line on the right to the center line is designated for motor vehicles. This lane is exclusively for motor vehicle use, so motorcycles should ride within this carriageway.

What are the steps for removing the headliner of an 8th-generation Accord?

Steps for removing the headliner of an 8th-generation Accord: First, remove the three clips at the rear end of the headliner, then detach the C-pillar trim covers, followed by the four grab handles. Next, remove the sun visors, and finally, detach the B-pillar trim covers near the seat belts. Below is some related information: 1. The car headliner is an important part of the vehicle's interior. It serves functions such as decoration, sound absorption, and heat insulation. In an era increasingly focused on high performance, environmental friendliness, and lightweight design, the interior headliner has become a significant factor in car selection, leading to higher demands on automotive interior components. 2. The primary material of the car headliner is polyurethane foam, which offers advantages such as lightweight, heat insulation, and excellent elasticity.

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