Home / Latest recalls / 21V936

Kia RIO Recall 21V936: Worn Brake Master Cylinder Can Reduce Stopping Power

NHTSA campaign 21V936, reported December 1, 2021, 87 vehicles potentially affected.

What this recall means for you

Some 2020-2021 Kia Rio vehicles may have a brake master cylinder with sharp edges that can damage its inner oil seal. This can reduce braking performance, which may cause longer brake pedal travel or a longer distance needed to stop the vehicle.

Reduced braking performance increases the risk of a crash. If you own an affected Rio, contact Kia customer service at 1-800-333-4542 or check your VIN for open recalls, then take your vehicle to an authorized Kia dealer. Dealers will replace the brake master cylinder free of charge. Owner notification letters were mailed January 11, 2022.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 21V936Kia Motors America
Component
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
Problem
Kia Motors America (Kia) is recalling certain 2020-2021 Rio vehicles. The brake master cylinder may have been manufactured with sharp edges that can damage the inner oil seal, resulting in reduced braking performance.
Risk
Reduced braking performance can cause longer brake pedal travel or extend the distance required to stop the vehicle, increasing the risk of a crash.
Remedy
Dealers will replace the brake master cylinder, free of charge. Owner notification letters were mailed January 11, 2022. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall SC223.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Affected vehicles

Kia RIO20202021