Recall 90V-121: 1989–1990 Ford L8000, 1989–1990 Ford L9000 and 15 more

The problem

Secondary service reservoir air check valves may not seat properly due to a mechanical interference condition between a circular brass guide and the wall of a cylindrical ferrule in which the brass guide is intended to move freely.

The risk

In the event of pressure loss in the supply reservoir,a defective check valve would allow pressure equalization between primary andsecondary service reservoirs, presenting the potential for loss or absence offront braking ability, which could cause loss of control and an accident.

The fix

Install revised design secondary service reservoir check valve components.

Notes

System: air pressure check valves.vehicle description: heavy duty trucks and chassis cabs.

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 90V-121?

Secondary service reservoir air check valves may not seat properly due to a mechanical interference condition between a circular brass guide and the wall of a cylindrical ferrule in which the brass guide is intended to move freely.

How is recall 90V-121 fixed?

Install revised design secondary service reservoir check valve components.

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.