Skip to content
AnyRecalls

Vehicle recall 84V120000 · October 2, 1984

Chevrolet C6, GMC C6 and 3 more models

The dual air reservoirs of some trucks were equipped with carbon steel springs instead of stainless steel springs, as intended.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
The dual air reservoirs of some trucks were equipped with carbon steel springs instead of stainless steel springs, as intended. The carbon steel spring is more susceptible to rusting than the stainless steel spring. This rusting could cause the check valve to fail, causing total loss of front and rear brakes.
Remedy
The air tank will be inspected and, if necessary, the air valve will be replaced with one containing a stainless steel spring.
Notes
Vehicle description: medium trucks equipped with air brakes.system: service brakes; air supply check valve.consequences of defect: if an air leak were to occur and the driver did notheed warnings, an accident could result.

Recall details

NHTSA campaign
84V120000
Reported to NHTSA
October 2, 1984
Filed by
GENERAL MOTORS CORP.
Owner notification
October 17, 1984
Vehicles potentially affected
3,948
Initiated by
the manufacturer
Components
Service brakes, air › Supply › Check valve
Recall 84V120000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

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.