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NHTSA Preliminary Evaluation PE09033

Preliminary Evaluation · TORQUE CONVERTER OUTPUT SHAFT FAILURE · Opened 2009-07-15 · Closed 2009-11-17

Investigation

Action number
PE09033
Type
Preliminary Evaluation
Open date
2009-07-15
Close date
2009-11-17
Manufacturer
Ford Motor Company
Affected makes
FORD; MERCURY
Affected components
POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER
Affected model years
2004, 2005
Affected (make, year) variants
8

Summary

ODI HAS RECEIVED 227 OWNER COMPLAINTS ALLEGING A SUDDEN AND UNEXPECTED LOSS OF MOTIVE POWER DUE TO AN INTERNAL TRANSMISSION FAILURE IN THE SUBJECT VEHICLES.OF THOSE COMPLAINTS, 124 CAN BE ATTRIBUTED TO THE TORQUE CONVERTER OUTPUT SHAFT SPLINES STRIPPING CAUSING A SUDDEN LOSS OF POWER TO THE DRIVETRAIN.THE REMAINING 103 COMPLAINTS EXPERIENCED A LOSS OF MOTIVE POWER BUT THE SPECIFIC INTERNAL FAILURE CAUSE WITHIN THE TRANSMISSION IS NOT KNOWN.ODI HAS UPGRADED THE INVESTIGATION TO AN ENGINEERING ANALYSIS (EA09-016) TO CONTINUE ITS ASSESSMENT OF THE SCOPE, FREQUENCY AND SAFETY-RELATED CONSEQUENCES OF THE ALLEGED DEFECT.

Source

Authoritative
NHTSA ODI investigation page
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