Brakes:air systems:valve:foot control
Defect Summary
Internal components of the e-12 dual circuit air brake valves may be misassembled so that one of the tapered snap rings is upside down.
Safety Consequence
The snap ring can come out causing the valve tomalfunction and apply the truck's brake system without warning; this couldresult in loss of control and a crash.
Corrective Action
Replace misassembled valves.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Service Brakes, Air.
FAQ: Recall 89V178000
Your rights, the repair process, and what each field on this page means.
What is recall 89V178000?
NHTSA recall 89V178000 was issued by Mack Trucks, Inc. on October 23, 1989. It addresses: Brakes:air systems:valve:foot control. The recall affects approximately 3,652 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 89V178000 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.