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NHTSA Preliminary Evaluation PE88034

Preliminary Evaluation · HALFSHAFT FAILURE · Opened 1988-03-18 · Closed 1988-09-19

Investigation

Action number
PE88034
Type
Preliminary Evaluation
Open date
1988-03-18
Close date
1988-09-19
Manufacturer
Ford Motor Company
Affected makes
FORD; MERCURY
Affected components
POWER TRAIN
Affected model years
1984, 1985, 1986
Affected (make, year) variants
6

Summary

SUMMARY:THE SUBJECT VEHICLES MAY BE EQUIPPED WITH EITHER A 2.3 LITER4 CYLINDER ENGINE OR A 2.0 LITER DIESEL ENGINE.THE TRANSAXLE MAY BEEITHER A 5 SPEED MANUAL OR A 3 SPEED AUTOMATIC TRANSMISSION.THEHALFSHAFT ASSEMBLIES ARE IDENTICAL FOR AUTOMATIC AND MANUAL USE, BUT THERIGHT INTERCONNECTING SHAFT ON A DIESEL EQUIPPED VEHICLE DOES NOT HAVE ATORSIONAL DAMPER.THE 1987 MODEL VEHICLES (GAS OR DIESEL) DO NOT USE THETORSIONAL DAMPER.THE RIGHT SIDE INTERCONNECTING SHAFT IS LONGER THANTHE LEFT SIDE SHAFT (25 INCHES VERSUS 12 INCHES).MOST OF THE REPORTED FAILURES INVOLVE THE RIGHT HALFSHAFT ASSEMBLY.FAILURE OF THE HALFSHAFT APPEARS TO RESULT IN A LOSS OF DRIVE WITHOUT ANYLOSS OF VEHICLE CONTROL. #===

Source

Authoritative
NHTSA ODI investigation page
Machine
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