The differential drive pinion to the ring rear backlash is excessive.

Adjust the differential drive pinion to the ring backlash.

Spicer Eaton® call 1-800-TCM-HELP

Meritor call 1-800-535-5560

The differential drive pinion and ring gear are worn.

Replace the differential drive pinion and the ring set.

Spicer Eaton® call 1-800-TCM-HELP

Meritor call 1-800-535-5560

The differential drive pinion bearings are worn.

Replace the bearings.

Spicer Eaton® call 1-800-TCM-HELP

Meritor call 1-800-535-5560

The differential drive pinion bearings are loose.

Adjust the bearings.

Spicer Eaton® call 1-800-TCM-HELP

Meritor call 1-800-535-5560

The differential drive pinion end play is excessive.

Adjust the differential drive pinion end play.

Spicer Eaton® call 1-800-TCM-HELP

Meritor call 1-800-535-5560

The differential bearings are worn.

Replace the differential bearings.

Spicer Eaton® call 1-800-TCM-HELP

Meritor call 1-800-535-5560

The differential bearings are loose.

Adjust the bearings.

Spicer Eaton® call 1-800-TCM-HELP

Meritor call 1-800-535-5560

The rear axle lubricant is low.

Fill with synthetic rear axle lubricant. Refer to Fluid and Lubricant Recommendations .

The rear axle lubricant is incorrect.

Replace the rear axle lubricant with the proper synthetic lubricant. Refer to Lubricant Change .

The rear axle housing is bent.

Replace the rear axle housing. Refer to Rear Axle Housing Replacement .