NHTSA recall 86V086000
Service brakes, hydraulic › Fluid
Chevrolet B6P042 and 1 more
The defect
Severe brake chatter may cause the brake chamber mounting brackets on either side to develop cracks in the weld area where the s-cam shaft tube attaches to the chamber support section. consequence of defect: brackets can break, resulting in loss of braking ability at the front wheel, and possibly restrict steering, which could lead to a vehicle crash without prior warning.
The remedy
As necessary, replace front brake chamber mounting brackets and install a front brake limiting valve.