Investigation EA87017: Vehicles

Status

CLOSED

Opened

Apr 22, 1987

Closed

May 15, 1990

Model years

—

Subject

WELD CRACKS

Component: Suspension

Summary

Analysis of the alleged problem:the cracking of the welded patch isallegedly caused by toyota's change from belted tires to radial plytires.the tire pressure within the inner dual drops significantlybelow the outer dual generating excessively high loads on the wheelattachment, axle shaft, and axle bearing.status:information request sent to sunrose tire on 7/16/87. Awaitingresponse. Sunrose called for an extension on 9/15/87.was told toput it in writing. Response due 11/30/87.===

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.