Vehicle recall 84V068000 · May 29, 1984
Chevrolet CD042, GMC CD042 and 2 more models
Unwanted air is being drawn into the brake system when brake pedal is released.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Unwanted air is being drawn into the brake system when brake pedal is released. This is due to the use of the bendix master cylinder in combination with the bendix hydrovac.
- Remedy
- Dealer will check to see if vehicle is equipped with a bendix master cylinder. If so, dealer will install a tube and hose assembly and repair brake system. If needed, a new wagner master cylinder will be installed.
- Notes
- Vehicle description: medium trucks equipped with single hydraulic brakesystems.system: service brakes; hydraulic system.consequences of defect: the combination of this defect along with everyday useand normal wear, could result in decreased brake performance and eventual lossof brakes. An accident could result.
Recall details
- NHTSA campaign
- 84V068000
- Reported to NHTSA
- May 29, 1984
- Filed by
- GENERAL MOTORS CORP.
- Owner notification
- June 18, 1984
- Vehicles potentially affected
- 32,010
- Initiated by
- the manufacturer
- Components
- Service brakes, hydraulic › Foundation components › Master cylinder
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Chevrolet CD042 (1980-1982): 1982, 1981, 1980
- Chevrolet P6T042 (1983): 1983
- GMC CD042 (1980-1982): 1982, 1981, 1980
- GMC P6T042 (1983): 1983
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.