Scheduled maintenance
The car T90 has been with me for more than two years and has traveled more than 22000 kilometers. In the past two years, the maintenance of the car has been carried out in the Qichen franchise store. Although it has been insured now, it still feels more secure in the franchise store, so it has not been maintained outside the auto repair shop, for nothing else, just for more than two years of maintenance in the franchise store, the car has not had any trouble.
A few days ago, I received a phone call from Mr. Zhang, maintenance specialist of Qichen 4S store, saying that it was time for my car to be maintained, but because of my busy work, I had no time to go back to the 4S store for maintenance. I wanted to go back later. However, due to the business trip for a period of time, a delay has been more than half a month has passed. Finally, on a free Sunday, I called the maintenance specialist and replied that there was just a seat available for vehicle maintenance, so I drove to the 4S store to do maintenance for my car.
Two years and two months, more than 22000 kilometers, not much mileage, mainly used for commuting
Confirmation before maintenance
Before the formal maintenance of the car, the maintenance specialist will check the appearance of the car, inform the owner of some bad conditions on the appearance and record it on the maintenance form, and remind the owner to take out the valuables in the car. and explain the maintenance items and prices to the owners to avoid unnecessary disputes or misunderstandings.
45 degree angle, the most beautiful side of T90 will be unreservedly displayed, young and handsome!
Maintenance specialist Xiao Zhang showed up to check the appearance of the car before maintenance.
Battery detection
For the car, although the proportion of the cost of the car battery is small, it plays an important role in the whole vehicle: 1, the car battery can supply power to the ignition system when the vehicle starts; 2, when the power generation or voltage of the generator is low, it can supply power to the electrical equipment in the car; 3, when the generator is overloaded, assist the generator to supply power to the electrical equipment. 4. Store the excess energy of the generator (that is, charging).
The car battery is such an important part that every maintenance must be inspected. Generally, 4S stores will check whether the appearance of the battery has drum bags, liquid leakage, and whether the positive and negative wire connections are loose. Then use the detector to detect the voltage and temperature of the battery, and so on. The detector will automatically judge the health of the battery. This maintenance, after testing, I used for more than two years of the battery is still in good condition, the quality is really good!
Get ready for position. The body lines of the T90 are beautiful.
The 2.0 engine with mature technology of Tibetan customs Nissan under the cover of the hangar.
Battery testing
This is the battery detector.
Test results: the battery is good. For more than two years, the quality of the battery is still in good condition.
Tire maintenance
As the saying goes, “A long journey starts with a small step”, and tires are like the “feet” of a car. It is because of it that a car can travel thousands of miles. As the only part of the car that is in direct contact with the ground, the degree of wear of the tire can be imagined. During the maintenance in the 4S store, the maintenance technician makes some simple checks, such as confirming the locking force of the tire nut, checking the tire wear and whether there are cracks and drum bags, and getting rid of the pebbles in the tire seams.
Check that the four tire nuts are fastened to the end without loosening
When the car is raised, the master is color-coding the checked tire nut to make sure it is fastened in place.
Tighten the color code on the tire nut to prove that the nut is fastened in place.
Confirm the degree of tire wear, cracks, drum bags, etc.
Clean up the pebbles in the tires
Check the tire pressure. The recommended tire pressure range for T90 is 230-250. Too high or too low tire pressure is not good for tires.
Chassis inspection
The quality of the chassis is directly related to driving safety, and it is not a trivial matter if there is a problem with the chassis, especially checking whether the bolts of the front and rear suspension of the car are loose, whether there is oil leakage in the transmission shaft and brake pipe, whether there are scratches on the chassis, and so on.
Panoramic view of T90 chassis
Confirm the fastening force of front suspension bolts
Confirm the fastening force of rear suspension bolts
Change the oil and filter
The replacement of oil and oil filter is mainly for the maintenance of the lubrication system. The main function of the lubrication system is to effectively lubricate the various parts of the automobile engine to prevent excessive wear. The function of the oil filter is to remove all kinds of impurities in the oil and ensure the normal lubrication system. The oil filter should be replaced with the oil when changing the oil. Under normal circumstances, the car needs to be maintained every time it drives the 5000KM.
Remove the old machine filter
Drain oil
Nissan pure accessories
After putting the oil, lock the machine to filter and clean the oil stain.
Next, lower the elevator and start adding oil. Nissan produces pure synthetic engine oil.
New engine oil, golden color, car purchase for more than two years, has been in the franchise store maintenance.
After standing still for a period of time, check the oil height with the oil dipstick
With the addition of 4L oil, it is almost up to the upper limit of the oil ruler.
Maintenance of air filter element
The air filter element is equivalent to the gas mask of the engine, mainly filtering dust and debris. If the filter is not clean, it may cause insufficient air combustion or impurity damage to the engine cylinder wall, resulting in reduced power. Since I just changed an air filter some time ago, I just took out the air filter element to clean up the dust.
Maintenance of air conditioning filter element
The air conditioning filter element directly affects the air quality in the car, and the replacement mileage is determined according to the driving environment. To put it simply, if a change of 5,000 yuan is recommended in cities with more dust in the north, it can be 10,000 to 20,000 in cities with better air quality in the south. In the middle, you can take out and blow with an air gun every time you do maintenance or wash the car. However, it is not good to blow the filter element with an air gun more times, because often blowing the air-conditioning filter element will enlarge the filter hole and reduce the air filtration capacity. It is recommended that each air-conditioning filter element should not be cleaned with an air gun more than twice. Because I had just changed the air conditioning filter element when I did the deep cleaning of the air conditioner not long ago, so I didn’t change it this time, but simply blew away the dust with an air gun.
Because the air conditioner filter element had just been changed during the deep cleaning of the air conditioner not long ago, it was not replaced this time, but simply blew away the dust with an air gun.
Clean the engine compartment
While the car is driving, the air flowing inside the red cabin will bring a lot of dust. In addition, after the rain, acidic rainwater and rotten leaves will inadvertently remain in the engine compartment. After a long time, it will be easy to age. Pipe, more serious, may even cause a short circuit and cause a fire. Therefore, when maintaining the car, cleaning the engine compartment is also necessary.
Because the electrical components in the engine compartment are waterproof, there is no problem directly washing with a water gun. However, one thing should be noted that the engine intake manifold is not waterproof. Before cleaning, the nozzle must be blocked. Otherwise, the engine will enter water, and if it is serious, the engine may be scrapped.
After maintenance, clean the engine compartment. Rinse it with a water gun first, and block the intake manifold before flushing, otherwise the engine will enter water, and if it is serious, the engine may be scrapped.
Cleaning machine compartment cover
Wipe off the water with a rag
Use a high-pressure air gun to blow away moisture in some places that cannot be touched by the rag
Quality inspection after maintenance
In order to prevent missing maintenance items, inadequate maintenance, and substandard maintenance, necessary inspections and inspections are necessary after maintenance of the vehicle. There are a total of two quality inspections for this maintenance, one is the self-inspection by the maintenance specialist after maintenance, and the other is the secondary inspection confirmation by the quality inspection specialist.
The maintenance work of the car has been basically completed. After reading the maintenance record sheet this time, there are still many inspection items, and the car is still in a great condition.
After maintenance, the car left the workshop
I am queuing outside to prepare for the car wash, and there is also a professional technician making the final maintenance quality confirmation to prevent problems in the maintenance process. I like this responsible attitude!
After washing the car, the T90 regained its charming luster!
Finally, Xiao Zhang, the maintenance specialist of T90 and 4S stores, came to take a group photo. Xiao Zhang had a good service attitude and would leave all the maintenance of the car to you in the future.
summary
Regarding this maintenance, I summarized the following advantages and disadvantages:
Advantages:
1. When the car reaches the maintenance cycle, the maintenance specialist will give advance phone notification and the service will be considerate;
2. The maintenance process is smooth, the maintenance procedures are correct, the maintenance technician is highly capable, and the questions I raised during the maintenance process can be answered carefully;
3. For the car after maintenance, in addition to the maintenance specialist’s self-inspection, another quality inspection specialist will conduct a secondary quality confirmation to ensure the maintenance quality.
Shortcomings:
1. During the maintenance process, all bolts on the chassis were not inspected, and only bolts in several important positions were reinforced;
2. The old oil was not completely drained, resulting in the oil level reaching the upper limit of the oil dipstick after 4L of new oil was added;
3. No cleaning agent is used to clean the machine cabin. Only clean water is used for cleaning, and the effect is average.
PorterBulwer 
5 
September 13, 2024 
