The defect
VEHICLES MAY CONTAIN A SPRING BRAKE PISTON ROD WITH IMPROPERLY HEAT TREATED ROLLERS. THIS MAY CAUSE THE ROLLERS TO BE TOO BRITTLE, AND THEREFORE, SUBJECT TO BREAKING. ROLLER FAILURE CAN CAUSE LOSS OF EFFECTIVE PARKING AND EMERGENCY BRAKES ON A SINGLE WHEEL.
The remedy
VEHICLES WITH DEFECTIVE ROLLERS WILL HAVE THE ENTIRE BRAKE PISTON SHAFT ASSEMBLY REPLACED AT NO CHARGE.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|
Components: PARKING BRAKE:DRIVELINE:AIR:CHAMBER
Other parking brake recalls in 1979
4 of the 274 recall campaigns reported to NHTSA in 1979 concerned the parking brake; MAGIRUS DEUTZ A.G., WEST filed 2 campaigns in all.
| 79V182000 3 Aug 1979 | GRUMMAN FLXIBLE CORP. |
| 79V069000 13 Mar 1979 | GENERAL MOTORS CORP. |
| 79V059000 23 Feb 1979 | PACCAR, INCORPORATED |
NHTSA recalls (public domain) · all recalls of 1979