The defect
VEHICLES HAVE A PRIMARY AND A RESERVE BRAKING SYSTEM. IF THE PRIMARY BRAKE SYSTEM BOOSTER FAILS, UNDER SOME CIRCUMSTANCES THE RESERVE SYSTEM MAY ALSO MALFUNCTION AND BRAKING ABILITY WILL BE IMPAIRED.
The remedy
DEALER WILL INSTALL A NEW RESERVE BRAKE CONTROL MODULE AT NO COST TO OWNER.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Chevrolet B6P042 | 1982, 1983, 1984 |
| GMC B6P042 | 1982, 1983, 1984 |
| GMC P6T042 | 1982, 1983, 1984 |
Components: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Chevrolet B6P042 | 1982 | 0 | 1 |
| Chevrolet B6P042 | 1983 | 0 | 3 |
| Chevrolet B6P042 | 1984 | 0 | 3 |
| GMC B6P042 | 1982 | 0 | 1 |
| GMC B6P042 | 1983 | 0 | 3 |
| GMC B6P042 | 1984 | 0 | 3 |
| GMC P6T042 | 1982 | 0 | 1 |
| GMC P6T042 | 1983 | 0 | 2 |
| GMC P6T042 | 1984 | 0 | 1 |
Other service brakes, hydraulic recalls in 1984
19 of the 164 recall campaigns reported to NHTSA in 1984 concerned the service brakes, hydraulic; GENERAL MOTORS CORP. filed 1,195 campaigns in all.
| 84V158000 19 Dec 1984 | BLUE BIRD BODY COMPANY |
| 84V144000 14 Nov 1984 | VOLKSWAGEN OF AMERICA,INC |
| 84V137000 30 Oct 1984 | VOLKSWAGEN OF AMERICA,INC |
| 84V135000 23 Oct 1984 | FORD MOTOR COMPANY |
| 84V123000 10 Oct 1984 | FORD MOTOR COMPANY |
| 84V096000 22 Aug 1984 | VOLKSWAGEN OF AMERICA,INC |
| 84V093000 17 Aug 1984 | GENERAL MOTORS CORP. |
| 84V090000 14 Aug 1984 | INTERNATIONAL HARVESTER |
NHTSA recalls (public domain) · all recalls of 1984