Some 2014-2016 Lexus IS vehicles may exhibit a rattle-type noise from the rear of the vehicle when driving over bumps. This may require adjusting and cleaning/lubricating the parking brakes.
Adjust the parking brake per the repair manual. Make sure that the No. 1 wire adjusting nut is completely loose during parking brake adjustment. This will ensure that there is no gap between the shoe and anchor plate inside the parking brake assembly. If a gap is present, a rattle type noise may occur.
Road test the vehicle. If the noise is still present, remove the parking brake shoes and parking brake shoe lever sub-assembly.
Clean up the parking brake shoes, shoe lever sub-assembly and backing plate.
Apply disc brake grease to the areas of the parking brake plate that makes contact with the shoe and anchor block sub-assembly and reassemble. Road test to confirm the repair.
Apply disc brake grease to the areas of the parking brake plate that makes contact with the shoe and anchor block.
About the Author
Information courtesy of Mitchell 1
Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.
Mike Mavrigian
Motor Age Editor
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, 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.