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NHTSA Preliminary Evaluation PE04014

Preliminary Evaluation · STEERING BINDING · Opened 2004-02-05 · Closed 2004-06-24

Investigation

Action number
PE04014
Type
Preliminary Evaluation
Open date
2004-02-05
Close date
2004-06-24
Manufacturer
Volvo Trucks North America
Affected makes
VOLVO
Affected components
STEERING
Affected model years
1998, 1999
Affected (make, year) variants
13

Summary

ODI'S PRELIMINARY EVALUATION FOCUSED ON THE POTENTIAL FOR A BROKEN, BENT, DEFORMED, FRAGMENTED OR DISPLACED TURN SIGNAL CANCELING RING (TSCR), VTNA PART NUMBER 1607363, TO RESTRICT THEVEHICLE OPERATOR'S ABILITY TO TURN THE STEERING WHEEL.THE PE IDENTIFIED THIRTEEN VTNA WARRANTY CLAIMS THAT ALLEGE THAT THE TSCR HAD FAILED AND THAT THE VEHICLE STEERING EFFORT HAD BEEN ADVERSELY AFFECTED.TO DATE, ODI HAS NOT FOUND ANY SAMPLES OF A FAILED TSCR AND HAS NOT BEEN ABLE TO DEFINITIVELY ESTABLISH WHETHER A FAILED TSCR CAN OR CANNOT CONTRIBUTE TO INCREASED STEERING EFFORT.ODI BELIEVES THAT IT IS APPROPRIATE TO CONDUCT FURTHER INVESTIGATION(EA LEVEL) TO BETTER UNDERSTAND THE CHARACTERISTICS OF TSCR FAILURES AND TO ASSESS THE EFFECT, IF ANY, THAT THESE TYPES OF FAILURES COULD HAVE ON VEHICLE STEERING EFFORT.

Source

Authoritative
NHTSA ODI investigation page
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