MP 1225/1226 HD Common

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The input shaft pilot bearing assembly (5) is larger to accommodate the larger rear output shaft, the outer diameter measures 41.275 mm (1.625 in)
An input shaft pilot bearing retaining ring (6) is used.
The high/low clutch (9) has neutral pointing engagement teeth. The leading edges of the teeth are symmetric.
The rear output shaft (18) is larger.
The front output shaft drive sprocket (25) is 38.1 mm (1.5 in) wide.
The front output shaft driven sprocket (38) is 38.1 mm (1.5 in) wide.
The rear output shaft rear bearing retaining rings (31, 33) are larger, the outer diameter of the ring groove at the rear output shaft (18) measures 38.5 mm (1.516 in).
The rear output shaft rear bearing assembly (32) is larger, the inner diameter measures 41 mm (1.614 in).
The HI/LO planetary (8) is a 5 pinion design.