Inspect the front control arm rear bushing for oil leakage.
This bulletin applies to 2019-2020 Buick Envision vehicles. A shaking steering wheel may be experienced after hitting a series of bumps.
The front control arm’s rear hydraulic bushing(s) may be leaking oil. Inspect the control arm rear bushing on each arm. If you find any evidence of an oil leak, replace the affected control arm.
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety ofspecialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.
