NHTSA recall 97V020000
Service brakes, air
Thomas Saf-T-Liner
The defect
These buses with gross vehicle weight ratings (gvwr) of 36,200, do not meet the brake size and power requirements of federal motor vehicle safety standard (fmvss) no. 121, "air brake systems," for vehicles of that gvwr.
The risk
These buses do not meet the requirements of fmvss no. 121.
The remedy
Thomas built will provide the owners with repair parts and a detailed repair procedure. the repair will consist of changing the original rear slack adjusters and front brake chambers and increasing the air reservoir volume.