The defect
FATIGUE CRACKS MAY DEVELOP IN THE BRAKE VACUUM BOOSTER HOUSING. THIS MAY CAUSE A VACUUM LEAK AND REDUCE THE EFFECTIVENESS OF THE BRAKES. AFTER PROLONGED USE, THE CRACKS MAY DEVELOP TO THE EXTENT THAT THE BOOSTER MAY SEPARATE FROM THE VEHICLE.
The remedy
VEHICLES WILL BE INSPECTED FOR FATIGUE CRACKS IN THE BRAKE VACUUM BOOSTER. THOSE WITHOUT CRACKS WILL HAVE A SUPPORT BRACE INSTALLED. THOSE WITH EVIDENCE OF CRACKING WILL HAVE A NEW BRAKE VACUUM BOOSTER AND SUPPORT BRACE INSTALLED. THIS SERVICE WILL BE PROVIDED AT NO CHARGE.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|
Components: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
Other service brakes, hydraulic recalls in 1981
14 of the 157 recall campaigns reported to NHTSA in 1981 concerned the service brakes, hydraulic; GENERAL MOTORS CORP. filed 1,195 campaigns in all.
| 81V148000 14 Dec 1981 | GENERAL MOTORS CORP. |
| 81V129000 22 Oct 1981 | INTERNATIONAL HARVESTER |
| 81V130000 22 Oct 1981 | INTERNATIONAL HARVESTER |
| 81V125000 20 Oct 1981 | VOLVO OF AMERICA CORP. |
| 81V124000 15 Oct 1981 | FORD MOTOR COMPANY |
| 81V095000 10 Aug 1981 | GENERAL MOTORS CORP. |
| 81V090000 17 Jul 1981 | FORD MOTOR COMPANY |
| 81V084000 7 Jul 1981 | FORD MOTOR COMPANY |
NHTSA recalls (public domain) · all recalls of 1981