Brakes:air systems:air supply:check valve
Defect Summary
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.
Corrective Action
The carbon steel spring will be replaced with a stainless steel one.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Service Brakes, Air.
FAQ: Recall 84V035000
Your rights, the repair process, and what each field on this page means.
What is recall 84V035000?
NHTSA recall 84V035000 was issued by Mack Trucks, Inc. on March 23, 1984. It addresses: Brakes:air systems:air supply:check valve. The recall affects approximately 850 vehicles, with the defect involving the Service Brakes, Air component.
How do I get this recall repaired?
Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 84V035000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.