NHTSA recall 90V180000
Service brakes, air › Controls › Foot control/valve
White GMC Wxll
The defect
The hook-up for the brake foot pedal for the driver assistant on the curb side may not be correctly installed.
The risk
A service line failure in the "a" or "b" system airsupply could result in loss of operation of the brake pedal for the driverassistant.
The remedy
Repair plumbing hook-up to the assistants operating station foot wcontrolled brake valve.