How Often Should the Gear Reducer Oil in a Car Be Replaced?

1 Answers
Isaac
07/30/25 8:35am
Car gear reducer oil should be replaced approximately once a year. Below is an introduction to different types of reducers: 1. Horizontal cycloidal reducers typically use oil bath lubrication under normal conditions, with the oil level maintained at the middle of the sight glass. In harsh working conditions or high-temperature environments, circulating lubrication can be employed. 2. Cycloidal pinwheel reducers generally use No. 40 or 50 mechanical oil for lubrication at room temperature. To enhance performance and extend the service life of the cycloidal pinwheel reducer, it is recommended to use No. 70 or 90 extreme pressure gear oil. In high or low-temperature working conditions, the choice of lubricating oil should be reconsidered. 3. For vertically installed planetary cycloidal pinwheel reducers, it is crucial to prevent the oil pump from running dry to avoid damage to the reducer components. To add oil, simply unscrew the vent cap on the upper part of the base. To drain the oil, unscrew the drain plug at the lower part of the base to release the contaminated oil. Note that this type of reducer does not come with internal lubricating oil when delivered from the factory.
Was this review help?
12
1
Share
More Forum Discussions

Can National V vehicles be transferred across provinces?

National V vehicles can be transferred across provinces. Below is some information about National IV and National V standards: Differences: The main differences between National IV and National V standards: Under the National V standard, compared to National IV, the nitrogen oxide (NOX) emission limit for gasoline vehicles is 25% stricter (reduced from 0.08g/km to 0.06g/km), and a new standard for non-methane hydrocarbons (NMHC) testing has been added. National IV: The National IV standard is China's fourth-stage motor vehicle pollutant emission standard. The main pollutants emitted by vehicles include HC (hydrocarbons), NOx (nitrogen oxides), CO (carbon monoxide), PM (particulate matter), etc. Through the application of technologies such as improved secondary air injection and exhaust gas recirculation systems with cooling devices, it is equivalent to the Euro IV standard. National V: The emission control level of the National V standard is equivalent to the Euro 5 emission standard currently implemented in Europe. The European Union has been enforcing it since 2009, with stricter limits on vehicle emissions such as nitrogen oxides, hydrocarbons, carbon monoxide, and suspended particles.
10
5
Share

Can the original license plate be retained during vehicle transfer?

Transferring vehicle ownership does not allow retaining the original license plate. Below is more information about vehicle license plates: Introduction: License plates refer to vehicle registration plates, which are metal or plastic plates attached to the front and rear of a vehicle. They are typically made of aluminum, iron, plastic, or paper and display the vehicle's registration number, registration region, and other relevant information. Formatting Rules: The currently used 92-style motor vehicle license plates consist of a Chinese character and English letter combination representing the issuing authority code, followed by a five-digit number. For example, "Su A-12345"—"Su" stands for Jiangsu Province, "A" is the issuing code of the Nanjing Municipal Public Security Bureau Vehicle Management Office, indicating that the plate was issued by them. The following five digits are the serial number.
19
0
Share

What are the impacts of driving through water on a car?

Driving through water can affect the car's interior and powertrain, among other things. Below is a partial introduction regarding car insurance: Components: Car insurance generally includes basic coverage and additional coverage. Basic coverage is further divided into vehicle damage insurance and third-party liability insurance. Coverage details: Vehicle damage insurance compensates for the loss of your own vehicle; third-party liability insurance covers damages to objects outside your own vehicle, such as people and public property you hit, the other party's car, etc.; passenger liability insurance compensates for injuries and property loss of people inside your own vehicle; theft insurance covers compensation when your own vehicle is stolen; zero deductible ensures 100% compensation in case of an accident. If zero deductible is not purchased, you bear 30% of the deductible for each accident.
8
5
Share

How to turn off Hyundai eco mode?

You can switch driving modes using the drive-mode button inside the vehicle. To deactivate eco mode, simply switch to standard mode or sport mode. Here are the relevant details: 1. The fuel-saving mode is also called eco mode. When the vehicle is in this mode, it achieves maximum fuel efficiency, with less responsive throttle pedal feedback and more aggressive transmission upshifts. 2. In sport mode, the throttle response becomes most sensitive, delivering stronger power output while the transmission maintains lower gears. This mode consumes the most fuel. 3. For regular driving, standard mode is recommended as it offers slightly better power than eco mode with more responsive throttle feedback.
7
4
Share

How many kilometers does a car need for a major maintenance?

Different brands and models may have different requirements, but generally, sedans require an oil change between 5,000 to 10,000 kilometers. For new cars, the first maintenance should be done at 3,000-5,000 kilometers, and it should not exceed 5,000 kilometers. Below is some relevant information: 1. In addition to the mileage requirement, there is also a time requirement for maintenance. The maximum time for oil usage should not exceed one year. Overall, as long as either the time or mileage indicator is met, maintenance must be performed. 2. Apart from mileage and time requirements, another important factor affecting the oil change cycle is the type of oil used. Different oil types have different replacement cycles. For example, mineral oil requires maintenance within 5,000 kilometers, semi-synthetic oil within 8,000 kilometers, and full-synthetic oil within 10,000 kilometers.
17
0
Share

Does a Bad Catalytic Converter Increase Fuel Consumption?

A faulty catalytic converter can indeed increase fuel consumption. Here's the relevant information: 1. If a vehicle's catalytic converter is damaged, it will affect the proper functioning of the oxygen sensor, causing the engine ECU to lose precise control over fuel injection. This leads to abnormal increases in fuel consumption along with reduced power output. 2. While catalytic converter damage can technically be repaired, the key consideration is whether the repair is cost-effective. Typically, when a catalytic converter shows signs of damage, both dealership service centers and independent repair shops will recommend replacement rather than repair.
16
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.