Recall 78V-146: 1977–1978 Freightliner Freightliner

The problem

The check valve, located on the inlet side of the primary and secondary air tanks may crack in the female fitting area and cause a slow loss of air. A leaking valve will reduce air pressure and partial or complete loss of brakes on those axles that depend upon that part of the system could occur.

The fix

The dealer will inspect and, if necessary, install new air check valves.

Notes

Vehicle description: heavy trucks.system: service brakes; air check valve.consequences of defect: partial or complete loss of braking capability couldresult in loss of vehicle control and an accident. Under some conditions, theemergency brakes may automatically activate, possibly allowing the driversufficient time to select a safe place to pull off the highway.note: each check valve should immediately be inspected for a leak. If one isfound, the dealer should be contacted immediately.

Recall details

Vehicles in this recall

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 78V-146?

The check valve, located on the inlet side of the primary and secondary air tanks may crack in the female fitting area and cause a slow loss of air. A leaking valve will reduce air pressure and partial or complete loss of brakes on those axles that depend upon that part of the system could occur.

How is recall 78V-146 fixed?

The dealer will inspect and, if necessary, install new air check valves.

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.