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How many liters of transmission oil are needed for a Citroen C4L transmission oil change?

1 Answers

OBrianna

07/29/25 8:14pm

For a Citroen C4L transmission oil change, the amount of lubricant required varies depending on the oil change method. Gravity oil change requires 3 to 4 liters, while circulation oil change requires 8 to 10 liters. The circulation oil change method is as follows: Circulation machine oil change is performed while the car is running, using special equipment to change the oil instead of lifting the car. This method keeps the oil flowing inside the transmission, flushing out sludge and impurities deposited at the bottom of the transmission, making the interior of the transmission cleaner. The gravity oil change method is as follows: Gravity oil change is performed when the car is turned off. In this method, the car is lifted, and the transmission oil naturally flows out with the help of gravity. This is the most common oil change method, but its effectiveness is not as good as the circulation machine method. The main function of transmission oil is to keep the shifting system clean and to lubricate and extend the life of the transmission components. Due to different transmission designs, transmissions are divided into manual transmissions and automatic transmissions (which are further divided into CVT, AMT, etc.). Each transmission design has different technical requirements. Even the same model of transmission configured in different car models will have differences in torque, weight, speed, structure, etc. Therefore, the original manufacturer has its own specified dedicated transmission oil.

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