The defect
AN INCORRECT O-RING MAY HAVE BEEN INSTALLED IN THE REAR BRAKE MASTER CYLINDER. THIS COULD ALLOW AIR LEAKAGE INTO THE REAR BRAKE SYSTEM, POSSIBLY RESULTING IN LOSS OF REAR BRAKING EFFECTIVENESS.
The remedy
DEALER WILL INSPECT AND, IF NECESSARY, INSTALL THE CORRECT MASTER CYLINDER O-RING WITHOUT CHARGE TO OWNER.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|
Components: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
Other service brakes, hydraulic recalls in 1977
26 of the 245 recall campaigns reported to NHTSA in 1977 concerned the service brakes, hydraulic; HARLEY-DAVIDSON MOTOR CO. filed 87 campaigns in all.
| 77V227000 20 Dec 1977 | AM GENERAL CORPORATION |
| 77V202000 16 Nov 1977 | CHRYSLER CORPORATION |
| 77V188000 25 Oct 1977 | CHRYSLER CORPORATION |
| 77V184000 19 Oct 1977 | VOLKSWAGEN OF AMERICA,INC |
| 77V182000 18 Oct 1977 | VOLKSWAGEN OF AMERICA,INC |
| 77V181000 17 Oct 1977 | GENERAL MOTORS CORP. |
| 77V158000 22 Sept 1977 | FORD MOTOR COMPANY |
| 77V160000 22 Sept 1977 | FORD MOTOR COMPANY |
NHTSA recalls (public domain) · all recalls of 1977