very bottom of the xfer-case near the back. it is a large plug like 24mm or around that size
on the transaxle
Transfer case is lubricated by the transmission fluid.
Remove all wires attached to the transfer case. Remove the driveshafts. Drain the fluid out of the transfer case. Place a transmission jack under the transfer case. Unbolt the transfer case from the transmission. Unbolt the crossmember the transfer case rests on.
Transfer cases are not like Transmissions they don't have drain pans. They only have drain and fill plugs. Transfer cases do not have filters either.
80/90 weight gear oil
18mm
To change the transfer case fluid on a Jaguar Type, first, ensure the vehicle is on a level surface and secure it with wheel chocks. Remove the fill plug and drain plug from the transfer case, allowing the old fluid to fully drain out. After draining, replace the drain plug and fill the case with new transfer case fluid until it reaches the fill level, then secure the fill plug. Finally, check for leaks and ensure the fluid level is correct after a brief drive.
30mm
The one that fits.
To change the fluid in the transfer case of a 2004 Toyota Matrix, first, ensure the vehicle is on a level surface and securely raise it. Locate the transfer case, then remove the fill plug and drain plug to allow the old fluid to drain completely. Once drained, replace the drain plug and refill the transfer case with the appropriate type and amount of fluid through the fill hole until it reaches the correct level. Finally, replace the fill plug securely.
To remove a transfer case, start by safely lifting and securing the vehicle on jack stands. Disconnect the battery and drain the transfer case fluid. Unbolt and detach the driveshafts from the transfer case, then remove any electrical connectors and linkage. Finally, unbolt the transfer case from the transmission and carefully slide it out, ensuring to support its weight to avoid damage.
You will see 2 plugs on transfer case, the lower is to drain, upper is to fill or check level