This Preliminary Information communication provides information to the technician with the steps to...

Bulletin number

PIP5196

Component

Suspension: multiple axle

Summary

This Preliminary Information communication provides information to the technician with the steps to diagnose and repair vehicles that may have a whine noise at highway speeds from the rear of the vehicle. If the technician has diagnosed the noise to be a rear axle related whine noise at highway speed, then use published Service Information "Symptoms - Rear Drive Axle". Technician should also compare the concern with a vehicle of the same build. If the noise level is deemed excessive check the vehicle build. Technician will replace the propeller shafts if needed.

Owners of these vehicles have filed 107 complaints in the suspension category.