GM says it needs to bleed the brake systems of 230,000 previously recalled cars. Some of the recalled vehicles have rear brake caliper pistons that have hydrogen gas trapped inside that could be released into the brake systems. ZF, the manufacturer of the brake pistons, didn't properly temper and chrome-coat the pistons, causing hydrogen gas to remain trapped in the bodies of the pistons.
2nd Generation Terrain News and Notes
Bite-sized content about all the recalls, lawsuits, and investigations surrounding the 2018-2021 Terrain.