# NHTSA recall 89V178000

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

- Published by: NHTSA \(United States\)
- Campaign number: 89V178000
- Manufacturer: MACK TRUCKS, INCORPORATED
- Reported: 1989\-10\-23
- Owners notified: 1989\-11\-10
- Component: SERVICE BRAKES, AIR:CONTROLS:FOOT CONTROL/VALVE
- Units potentially affected: 3652

## What is wrong

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.


## What can happen

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.


## The remedy

REPLACE MISASSEMBLED VALVES.


## Notes

SYSTEM: AIR BRAKE VALVES.VEHICLE DESCRIPTION: TRUCKS


## Vehicles this campaign lists

- [1989 MACK CH](/makes/mack/ch/1989/recalls.md). Built 1988\-11\-01 to 1989\-10\-01.

## Check a VIN

- [NHTSA recall lookup by VIN, United States](https://www.nhtsa.gov/recalls)
- [Transport Canada recall search, Canada](https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng)

JSON: [/v1/recalls/nhtsa/89V178000](/v1/recalls/nhtsa/89V178000)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20NHTSA%20recall%2089V178000&page=https%3A%2F%2Fopen.wenmarpro.com%2Frecalls%2Fnhtsa%2F89V178000&vehicle=NHTSA%20recall%2089V178000)