Repeat workshop visit for vehicle vibration while braking from 60MPH. Vehicle production date prior to...

Bulletin number

LI42.10-P-078779

Component

Service brakes

Summary

Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. Vehicle production date prior to December 2025. Cause Although the cause of the vibration is most likely due to excessive lateral runout on the rotor or hub/wheel bearing, the system as a whole needs to be checked for other possible contributors. 1. Prior collision damage. 2. Excessive vehicle sitting times without rotating components. 3. Wheel bearing/hub lateral runout. 4. Wheel mating interface has been overtightened (did not follow WIS torque procedures). 5. Mating interfaces have been excessively modified (painted, gouged, bent, etc...). Remedy Read through the entire attached worksheet prior to performing. After performing, please review the final page and perform work accordingly. If there are any questions on how to proceed OR The work sheet has been performed and the vehicle has returned with the same concern. Please perform the measurements as seen in the worksheet again and open a TIPS case to the Body, Chassis, and Entertainment team.

Owners of these vehicles have filed 5 complaints in the brakes category.