【Replacement time】:
It is recommended to replace the turbocharger oil return line after 2-3 years of use or when there is obvious leakage, wear, blockage, etc. to ensure lubrication effect and safety.
[Maintenance method]:
1. Regular inspection: Regularly check whether there is leakage at the connection parts to ensure good lubrication effect.
2. Lubrication maintenance: Regularly check whether the lubricating oil is sufficient to ensure normal lubrication of the turbocharger.
