Remove the engine room front under cover.
(Refer to Engine And Transaxle Assembly - "Engine Room Under Cover")
Drain the coolant.
(Refer to Cooling System - "Coolant")
Disconnect the oil cooler coolant hoses (A).
Remove the oil filter.
(Refer to Lubrication - "Engine Oil")
Loosen the mounting bolt (A) and remove the oil cooler assembly (B).
Apply a light coat of engine oil to the oil cooler packing surface (A), and then install the oil cooler with a fixing bolt (B).
Tightening torque :
44.1 ~ 53.9 N.m (4.5 ~ 5.5 kgf.m, 32.5 ~ 39.8 lb-ft)
Fix position of oil cooler stopper (A) where oil cooler resists on ladder frame stopper (B).
Apply a light coat of engine oil to the oil filter packing surface and then install the oil filter.
(Refer to Lubrication - "Engine Oil")
Connect the oil cooler coolant hoses (A).
Fill the radiator with coolant and check for leakage.