First step:
* Check the oil level. The leak may be caused by the oil level being too low. Add oil to the appropriate level using the automatic transmission oil dipstick.
Second step:
*Locate the leak. Use a flashlight to inspect the transmission and locate the leak. Common leak locations include:
* Oil pan
* Transmission lines
* Seals for input and output shafts
* Torque converter
Third step:
* Leak repair depending on location:
Oil pan:
* Tighten the oil pan bolts.
* Replace the oil pan gasket.
Transmission lines:
* Tighten the connections on the lines.
* Replace damaged lines.
Input and output shaft seals:
* Requires disassembly of the automatic transmission and replacement of seals. Contact an experienced mechanic.
Torque converter:
* Requires disassembly of the automatic transmission and replacement of the torque converter. Contact an experienced mechanic.
Fourth step:
* Check the oil for metal filings or foreign objects. This may indicate a more serious problem that needs to be corrected.
Fifth step:
*Consult an experienced mechanic for proper automatic transmission repair. An automatic transmission oil leak requires timely attention to prevent further damage.