Gmc Recall 89V121000: Service Brakes, Air, Controls, Pedals And Linkages
NHTSA recall 89V121000 · announced July 24, 1989 · filed by General Motors Corp. · 7 units affected
The problem
THE REAR AXLE RELAY VALVES (ONE PER AXLE) MAY NOT MEET BRAKE RELEASE TIMING REQUIREMENTS OF FMVSS 121.
The risk
THE REAR AXLE BRAKES MAY NOT RELEASE IN THE TIMESSPECIFIED BY FMVSS 121.
What to do
REPLACE THE NONCOMPLYING RELAY VALVES.
Official NHTSA recall notice →
Notes
SYSTEM:REAR AXLE AIR BRAKE RELAY VALVES/FMVSS 121.VEHICLE DESCRIPTION:HEAVY DUTY TRUCKS.
Vehicles covered by this recall
Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.