Transfer Drive Gear for Subaru AWD Drivetrain π
This precision gear is vital for sending engine power from the gearbox to the rear wheels in Subaru full-time AWD. You need it to keep the torque split correct, maintain smooth acceleration, and protect the center drivetrain. A worn or damaged unit quickly turns smooth AWD into noise, heat, and slip.
How it works βοΈ
Mounted on the transmission output, the gear meshes with the transfer set to drive the propeller shaft. Its hardened teeth, exact pitch, and surface finish keep load transfer steady under high torque. It runs in transmission oil, relying on correct backlash, bearing preload, and alignment to stay quiet and efficient.
What happens if it fails β οΈ
Early signs: whining or growl on cruise, rumble on overrun, metal flakes in oil, and vibration under load. Ignored, teeth chip or strip, losing rear drive and overloading the center differential. Severe failure can crack the case, seize bearings, and contaminate the transmission with debris.
Tech tips π οΈ
Inspect mating gear and bearings, set backlash to spec, replace seals, and use the correct oil. After installation, road-test for noise and re-check fluid.
Compatibility
- Impreza
- Xv
- Legacy
- Forester