What NHTSA investigated
Summary of information from manufacturer:manufacturer is in receipt ofone complaint and five field reports.product report analysis states thelower control arm from waggoner corporation appears to have a small radiusat the transition of the side wall to the ball stud nose.current stampingsource, s.k.d., also has a small radius in the same area.s.k.d. Haschanged the trim to increase the radius to 1 inch and provide additionalstrength in the ball stud area.analysis:failure data indicates the left control arm and diesel engineapplication are over represented.all known failures have occurred at lowspeeds, or have been located as a result of an increase in the frequency ofmaintenance inspections.ball joint separation could result in collapse offront wheel suspension and loss of vehicle control.action: ir to GM sent 11/19/87 contact fleet owners.===
Vehicles covered
| Make | Model | Model years |
|---|---|---|
| Chevrolet | C30 | 1984–1987 |
| Chevrolet | G30 | 1984–1987 |
| Chevrolet | K30 | 1984–1987 |
| Chevrolet | P30 | 1984–1987 |
| GMC | G30 | 1984–1987 |
| GMC | K30 | 1984–1987 |
| GMC | P30 | 1984–1987 |
Source
From NHTSA’s investigation file, rebuilt daily. To report a problem with your own vehicle, go to nhtsa.gov/report-a-safety-problem. All open investigations.