Sonata GLS V6-2.5L (2000)
Fluid - M/T: Service and Repair
REPLACEMENT OF TRANSAXLE GEAR OIL
Use HP Gear Oil SAE 75W/90 (API-GL-4).
1. With the vehicle parked on a level surface, remove the drain plug and drain the transaxle oil.
2. Replace the gasket with a new one and install the drain plug .
3. Add new oil through the filler plug, filling to below the plug opening.