Possible causes of oil leakage from the automatic transmission in the Peugeot 308:
External leaks:
* Oil pan gaskets
* Oil filter
* Drive seals
* Differential seals
Internal leaks:
* Oil pump
* Valve body
* Piston seals
* Torque converter
Diagnostics:
*Look under the car for oil stains.
* Check the gearbox oil level and oil color/smell.
* Look for visible leaks from the pan, filter or seals.
* Use a flashlight or mirror to inspect hard-to-reach areas for leaks.
Troubleshooting:
* External leaks: Replace faulty gaskets, filters or seals.
* Internal Leaks: Often require transmission disassembly to replace damaged components. This is a complex and expensive repair that should only be performed by a qualified mechanic.
Consequences of ignoring an oil leak:
* Low oil levels can lead to increased friction, wear and overheating of transmission parts.
*Oil that is expired or contaminated may impair the performance and shorten the life of the transmission.
* An oil leak can also cause transmission slipping, difficult shifting, and other drivability problems.
Recommendations:
* Check the transmission oil level regularly and maintain the vehicle in accordance with the manufacturer’s recommendations.
*If an oil leak is detected, contact a qualified mechanic immediately for diagnosis and repair.
*Using quality transmission oil that meets the manufacturer’s specifications will help prevent leaks and extend transmission life.