Transfer Case

WARNING: This page is about a different variant/trim than selected.

NOTE: Transfer case is also rarefied to as Power Take Off (PTO) unit.

The Power Take Off (PTO) unit system consists of a power transfer unit, rear propeller shaft, coupling device and rear axle. The power transfer unit is a gearbox that attaches to a transaxle. The right hand halfshaft passes through the PTO unit and engages the differential side gear as in normal 2WD applications. The PTO unit provides power to the rear driveshaft through a helical gear spline coupled to the transaxle differential case, a helical gear drop (idler gear) and hypoid/helical ring gear assembly and pinion set. Repair of the PTO unit is limited to seals, gaskets and output flange on automatic transaxle vehicles only. In vehicles equipped with a manual transaxle, or if any of the geared components, tapered roller bearings, case cover or internal shafts fail, a new PTO unit must be installed.