Investigation EA88021: Vehicles

Status

CLOSED

Opened

Feb 5, 1988

Closed

Aug 23, 1988

Model years

—

Subject

Tread separation

Component: Suspension

Summary

Summary of information from manufacturer:information submitted byuniroyal during the preliminary evaluation stated... There have beenover 1,000,000 tires produced in this country during the period in questionand total adjustments for all reasons are about .8%.these are notextraordinary adjustment figures.analysis:analysis reveals that the adjustments for belt and treadseparations are considerably higher for 1985 10 ply rib tires, incomparison to the 8 ply rib and 8/10 ply lug and rib tires producedin 1986.lt235/75r15 uniroyal laredos were recalled in december, 1986.lt235/85r16 goodrich tires were recalled in july, 1987.recommendation:send an ir.===

An NHTSA investigation looks into whether a safety defect exists. Opening one is not a finding. Outcomes can include a recall, closure without action, or further inquiry.