Recall 84V-035: 1982–1983 Mack MH
MACK TRUCKS, INCORPORATED recall for service brakes, air, reported to NHTSA on Mar 23, 1984, covering about 850 vehicles.
The problem
A manufacturing error resulted in the installation of carbon steel springs in some dual-compartment air reservoir check valves. Carbon steel springs are inadequate for this application because they are subject to severe corrosion and subsequent failure of the check valve.
The fix
The carbon steel spring will be replaced with a stainless steel one.
Notes
Vehicle description: heavy trucks.system: service brakes; dual compartment air reservoir check valve.consequences of defect: if this check valve failure were combined with asevered line in the primary air system, complete loss of brakes and possiblevehicle crash could occur.
Recall details
| Manufacturer | MACK TRUCKS, INCORPORATED |
|---|---|
| Component | Service Brakes, Air › Supply › Check Valve |
| Recall started by | the manufacturer |
| NHTSA campaign number | 84V035000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Mack MH | 1982, 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-035?
A manufacturing error resulted in the installation of carbon steel springs in some dual-compartment air reservoir check valves. Carbon steel springs are inadequate for this application because they are subject to severe corrosion and subsequent failure of the check valve.
How is recall 84V-035 fixed?
The carbon steel spring will be replaced with a stainless steel one.
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.