Chevy Trax units will need a master brake cylinder replacement to correct reduced brake performance, according to a recent GM service update.

A disc brake assembly consists of a brake caliper ... contaminated brake linings or defective master cylinder, or power brake booster vacuum, mechanical or electrical problems.

Over 123,000 of these full-size vehicles are being recalled for a potentially faulty brake master cylinder, which is behind the leakage issue. As with the Lincoln, the recall affects 2017–'18 F ...