How to put differential oil
Differential oil is an important lubricant in the vehicle transmission system. Regular replacement can extend the service life of the differential and ensure driving safety. This article will introduce in detail the steps, precautions and related data of changing differential oil to help car owners easily complete this maintenance project.
1. Differential oil replacement steps
1.Preparation: Make sure the vehicle is parked on flat ground and have the following tools ready:
| Tools/Materials | Quantity |
|---|---|
| differential oil | 1-2 liters (depending on model) |
| wrench | 1 set |
| Oil basin | 1 |
| funnel | 1 |
| gloves | 1 pair |
2.Drain old oil: Find the oil drain bolt at the bottom of the differential, use a wrench to unscrew the oil drain, and insert the old oil into the oil basin.
3.Clean oil drain port: Wipe the oil drain port and bolts with a clean cloth to ensure there is no residual oil.
4.Add new oil: Insert the funnel into the oil filling port of the differential and slowly pour in new oil until the oil level reaches the standard.
5.Check oil level: Tighten the oil filler bolt, start the vehicle and run for a few minutes before checking the oil level again to make sure it is correct.
2. Precautions
1.Oil selection: Be sure to use the differential oil type recommended in the vehicle manual. The oil requirements for different models may be different.
| car model | Recommended oil |
|---|---|
| Ordinary car | GL-4 or GL-5 75W-90 |
| off-road vehicle | GL-5 80W-90 |
| high performance car | Synthetic differential oil |
2.Replacement cycle: It is generally recommended to replace the differential oil every 40,000-60,000 kilometers. Please refer to the vehicle manual for details.
3.safe operation: Avoid contact with skin when replacing oil. Used oil should be disposed of properly to avoid polluting the environment.
3. Frequently Asked Questions
1.How often should differential oil be changed?
Depending on the model and driving conditions, the replacement cycle is usually between 40,000 and 60,000 kilometers. The cycle time needs to be shortened under heavy load conditions such as frequent off-roading or towing.
2.What happens if you add too much differential oil?
Excessive oil may cause the internal pressure of the differential to rise, causing oil seal leakage or poor lubrication, so the oil must be filled strictly according to the standard oil level.
3.Can differential oil and transmission oil be mixed?
No. Differential oil and transmission oil have different compositions and properties, and mixing them may lead to lubrication failure or component damage.
4. Summary
Changing differential oil is a simple but important maintenance item, and doing it correctly can significantly extend differential life. Car owners should choose the appropriate oil according to the vehicle manual and check the oil level and quality regularly. If you are not familiar with the operation, it is recommended to go to a professional repair shop for replacement.
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