NHTSA recall 88V075000
Service brakes, air › Controls › Foot control/valve
Thomas Saf-T-Liner and 1 more
The defect
A pressure protection valve was omitted in front air brake plumbing that IS required by fmvss 121.
The risk
If a leak develops in the air brake plumbing, air infront brakes would not be protected.
The remedy
Install pressure protection valve.