Rear Axle - 198RII

DESCRIPTION




198/210 MM RII Axle Section View







The 198 MM RII (Rear-Independent-Iron) axle is an independent assembly with a cast iron housing and differential. The 198 MM RII uses an open differential which is supported by two tapered roller bearings located on either side of the case. Differential bearing preload and ring gear backlash are controlled with select snap-rings located on the outside of the differential bearing cups. Pinion height is set with a select shim located under the rear pinion bearing cup.


The 198 axle is available only in all-wheel-drive (AWD) models, and in V-6 engine-equipped rear-wheel-drive (RWD) models, and is available in three gear ratios: 3.07 3.64 & 3.90:1.





198/210 Axle Components







AXLE IDENTIFICATION





198 Axle Identification Label


The 198 MM axle utilizes a barcoded label (1) which is adhered to the top of the axle housing as shown. The following information is found on the identification label:

- Traceability Code (Plant Use)
- Axle Part Number
- Axle Gear Ratio