What is the method to distinguish between oil grades?

1 Answers
OJuniper
07/29/25 10:35am
The method to distinguish between oil grades is to look at the viscosity index differences. The method for changing the oil is: 1. Lift the car, remove the protective plate, and place a container under the oil drain screw; 2. Unscrew the oil drain screw, use an air gun to blow for two minutes at the oil filler port, tighten the oil drain screw after draining, and wipe it with a tissue to check for leaks; 3. Reinstall the protective plate and lower the car, then add oil through the filler port. Precautions for changing oil: 1. Perform the operation when the engine is warm to ensure the old oil is drained as completely as possible; 2. Add oil and ensure the amount is appropriate; 3. After adding oil, start the engine and check for any leaks. Run the engine for 3 minutes to confirm the oil level is at the normal mark.
Was this review help?
17
0
Share
More Forum Discussions

Can Used Cars Be Transferred and Licensed Across Provinces?

Used cars can be transferred and licensed across provinces. The process for transferring a used car from another location involves first completing the transfer and file extraction at the vehicle's current location, then proceeding to register and license the vehicle locally. The detailed process is as follows: Bring the vehicle registration certificate, driving license, and IDs of both parties. If the transfer involves a company, the organization's code certificate, official seal, and the ID of the responsible person are required. Additionally, the vehicle must be brought to the site. After bringing the vehicle to the site, the Price Bureau will first evaluate the vehicle using the vehicle registration certificate and driving license, generating an evaluation report and transaction invoice through their system. The documents are then submitted to the Vehicle Management Office or community service station for inspection and file extraction. During the inspection, any violations or illegal activities related to the vehicle will be checked. Only after confirming the vehicle is in normal condition can the outbound transfer process begin. When processing the outbound transfer, the Vehicle Service Station must submit the relevant documents to the Municipal Vehicle Management Office for review. The file can be extracted after three days. The customer must bring the driving license and other required documents to the service window to complete the outbound file extraction, update the owner information, surrender the old license plate, and receive a temporary license plate and mailing form. After completing the above procedures, the owner can then drive the vehicle to the local Vehicle Management Office to complete the registration and licensing process.
16
0
Share

What is the battery model for BMW key?

The battery model is CR2032. It is a lithium manganese dioxide battery, named according to the IEC standard. Among them: C- indicates a chemical battery system with lithium metal as the negative electrode and manganese dioxide as the positive electrode; R- indicates that the battery is cylindrical in shape, with F used for square batteries; 20 indicates the battery diameter is 20mm; 32 represents the battery height is 3.2mm. The nominal voltage is 3.0V, the endpoint voltage is 2.0V, and the rated capacity is approximately 200mAh. CR2032 typically has a lifespan of 5 years. If the manufacturer's production level is low or quality control is poor, its lifespan can be significantly shortened. Domestic first-tier brand batteries can generally guarantee this lifespan. Under ideal conditions (sealed, room temperature, no moisture, etc.), the lifespan can extend further to 8 years or even 10 years. The usage time of a car remote key battery is closely related to the frequency of use. The more frequently it is used, the shorter the lifespan. If the remote key battery runs out, you can directly use the mechanical key to open and start the vehicle. The batteries used in car remote keys are button batteries, mainly three types: CR2016, CR2025, and CR2032. For the specific model used in each vehicle, owners can refer to the battery model in the user manual for replacement. Button-type CR2016 battery: This is one of the most commonly used remote key batteries. The battery voltage is 3V, while most car key batteries operate at 9V, so all three batteries need to be replaced each time. Examples include brands like Honda, Toyota, Volkswagen, and Mazda. CR2016 specifications: battery diameter 20mm, thickness 1.6mm. Button-type CR2025 battery: Its usage rate is much lower than CR2016, but some car keys still use it. It is thicker than CR2016 but has a relatively higher storage capacity. CR2025 specifications: battery diameter 20mm, thickness 2.5mm. This type of battery is also commonly used in audio remotes. Button-type CR2032 battery: It is twice as thick as CR2016. The 3V-CR2032 lithium manganese battery belongs to the lithium-manganese dioxide structure. The positive electrode material is chemically stable manganese dioxide, the negative electrode is metallic lithium, and the electrolyte is a lithium battery electrolyte. The main components of the electrolyte are dimethoxyethane, propylene carbonate, and lithium perchlorate. It is shaped like a button, hence the name lithium button battery or lithium manganese button battery. Button-type CR2450 battery: Compared to the other three, it is thicker and larger, with a diameter of 24.5mm and a height of 5.0mm. The rated current for CR2450 is 0.2mA, mainly used in low-power electronic products. Generally, these batteries can provide an output current of 0.001mA to 5mA, with a continuous output current of up to 15mA and a pulse output current of up to 30mA, meeting the requirements for light emission, sound, and RF output in most small electronic products.
6
3
Share

What to Do When Headlights Have Condensation?

When headlights have condensation, you need to wait for a while, and the condensation will naturally dissipate. Here are the reasons why headlights develop condensation: 1. When the headlights are turned on for a long time, they generate a lot of heat. As the ventilation channels expel the heat, moisture from the air enters the headlight interior through these channels and adheres to the surface of the lens, forming a layer of fog. When this accumulates sufficiently, it can form droplets that flow down. 2. During the rainy season, when temperatures are lower, turning off headlights that have been on for a long time creates a temperature difference between the inside and outside environments. At this time, moisture from the air can easily enter the headlight interior through ventilation tubes or vents and adhere to the inside of the lens. 3. Occasionally, headlights may fog up after car washing. This happens when the water pressure from the hose is too high or when the headlights are sprayed for too long, causing water vapor to enter the headlight interior due to the pressure, resulting in condensation on the inner walls of the headlight housing.
15
0
Share

How to Turn on Car Air Conditioning in Winter Without Fogging?

Here are methods to prevent window fogging when using air conditioning in winter: 1. After starting the vehicle, allow the engine coolant temperature to rise. 2. Turn on the air conditioning. 3. Activate the blower and set the fan speed to level 2 or 3. 4. Rotate the temperature knob to the red zone to enable warm air heating, then adjust the knob to direct airflow upward toward the windshield to raise its temperature. 5. Adjust the air vents to blow toward the side windows, which can reduce fogging on other glass surfaces. Extended information on activating rear air conditioning: 1. When the air conditioning is turned on via the central console, the rear air conditioning automatically activates. 2. There is a knob at the rear air vent—rotate it to the ON position. 3. This knob controls both the airflow volume and the on/off function for the rear air conditioning system.
15
3
Share

What is the model positioning of the Excelle?

The Excelle is positioned as a compact sedan, with body dimensions of 4609mm in length, 1798mm in width, and 1486mm in height, and a wheelbase of 2640mm. The Excelle is equipped with two three-cylinder engines: a 1.0-liter turbocharged engine and a 1.3-liter turbocharged engine. More details are as follows: 1. The 1.0-liter turbocharged engine delivers 125 horsepower and a maximum torque of 170 Nm. This engine can output maximum power at 5600 rpm and maximum torque between 2000 and 3600 rpm. 2. The 1.3-liter turbocharged engine produces 163 horsepower and a maximum torque of 230 Nm. This engine can output maximum power at 5500 rpm and maximum torque between 1800 and 4400 rpm.
14
0
Share

Where is the thermostat located on the Wuling Hongguang 1.2?

The thermostat on the Wuling Hongguang 1.2 is located at the junction between the upper water pipe and the cylinder head. This layout is structurally simple, but the drawback is that the thermostat may produce oscillation during operation. Introduction to the 2018 Wuling Hongguang S: 1. Body dimensions: Length is 4420mm, width is 1685mm, height is 1755mm, and with roof rack it is 1770mm. 2. Interior: The seats are available in both fabric and leather materials, providing excellent support and wrapping, ensuring comfort even during long drives. The driver's seat in higher trim models features eight-way adjustment functionality.
4
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.