Vehicle recall 84V134000 · October 16, 1984
Chevrolet B6P042, GMC B6P042 and 1 more model
Vehicles have a primary and a reserve braking system.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- 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.
- Remedy
- Dealer will install a new reserve brake control module at no cost to owner.
- Notes
- Vehicle description: school buses and forward control chassis trucks equippedwith hypower dual hydraulic brake systems.system: service brakes; hydraulic brake system, reserve brakes systemelectronic control module.consequences of defect: a reduction of braking ability in a situation whenminimum stopping distance is required could result in an accident without priorwarning.
Recall details
- NHTSA campaign
- 84V134000
- Reported to NHTSA
- October 16, 1984
- Filed by
- GENERAL MOTORS CORP.
- Owner notification
- October 26, 1984
- Vehicles potentially affected
- 1,436
- Initiated by
- the manufacturer
- Components
- Service brakes, hydraulic › Power assist › Hydraulic
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Chevrolet B6P042 (1982-1984): 1984, 1983, 1982
- GMC B6P042 (1982-1984): 1984, 1983, 1982
- GMC P6T042 (1982-1984): 1984, 1983, 1982
Has your Chevrolet been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Chevrolet dealer can also check your VIN. Recall repairs are free.