Service Brakes, Hydraulic — Foundation Components — Disc — Caliper

Summary

An incorrect fluid was used as an assembly aid (lubrication) during installation of the piston seal in front brake calipers which were installed in 10.5" X 1" disc brake assemblies used on "a" series cars. The incorrect fluid attacks the piston seal and causes them to swell and deteriorate.

Actions

Dealer will replace the brake caliper piston seals.

An incorrect fluid was used as an assembly aid (lubrication) during installation of the piston seal in front brake calipers which were installed in 10.5" X 1" disc brake assemblies used on "a" series cars. The incorrect fluid attacks the piston seal and causes them to swell and deteriorate.