Automatic Transaxle Fluid Replacement

Warm up ATF to operation temperature, 70 - 80°C (158 - 176°F).
Disconnect the out hose of the oil cooler.
Start the engine and drain the fluid, at "N" range and idling.
CAUTION: Stop the engine for one minute after start-up or when ATF is drained up, at either time whichever earlier.

Fig 1: Disconnecting Out Hose Of Oil Cooler
Courtesy of KIA MOTORS AMERICA, INC.
Open the drain plug and drain up fluid, then tighten the plug with tightening torque.
Tightening torque:

40 - 50 N.m (400 - 500 kg-cm, 29 - 36 lb-ft)

Fig 2: Tightening Drain Plug
Courtesy of KIA MOTORS AMERICA, INC.

Reconnect the fluid cooler hose and fill ATF through the fluid filler tube.

SPECIFIED ATF CAPACITY SPECIFICATION

Type	Capacity	Specified ATF
F5A51-2	8.5 lit(8.9 US qt, 7.4 lmp qt)	GENUINE DIAMOND ATF SP-III or SK ATF SP-III

Start the engine and idle it for one or two minutes.
Move the selector lever through every position and place the lever at "P" or "N" position.
Check the fluid level gauge if the ATF level is within the range marked "COLD". Add fluid if necessary.
Run the vehicle to warm up ATF to operating temperature (70 - 80°C(158 - 176°F)) and check the ATF level again. ATF level shall be within the range marked HOT.
NOTE: "HOT" level is more important than "COLD" level. "COLD" level is only for complementary information.

Fig 3: Identifying Drain Plug
Courtesy of KIA MOTORS AMERICA, INC.
Install the fluid level gauge into fluid filler tube.