Recall 84V-120: 1983 Chevrolet C6, 1983 Chevrolet C7 and 3 more
GENERAL MOTORS CORP. recall for service brakes, air, reported to NHTSA on Oct 2, 1984, covering about 3,948 vehicles.
The problem
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.
The fix
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
| Manufacturer | GENERAL MOTORS CORP. |
|---|---|
| Component | Service Brakes, Air › Supply › Check Valve |
| Recall started by | the manufacturer |
| NHTSA campaign number | 84V120000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Chevrolet C6 | 1983 | All years |
| Chevrolet C7 | 1983 | All years |
| Chevrolet P6 | 1983 | All years |
| GMC C6 | 1983 | All years |
| GMC C7 | 1983 | All years |
Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.
Frequently asked questions
What is recall 84V-120?
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.
How is recall 84V-120 fixed?
The air tank will be inspected and, if necessary, the air valve will be replaced with one containing a stainless steel spring.
Is the recall repair free?
Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.