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NHTSA Engineering Analysis EA03024

Engineering Analysis · EXTENDED STOPPING DISTANCES · Opened 2003-11-19 · Closed 2005-07-12

Investigation

Action number
EA03024
Type
Engineering Analysis
Open date
2003-11-19
Close date
2005-07-12
Manufacturer
Subaru of America, Inc.
Affected makes
SUBARU
Affected components
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
Affected model years
2002, 2003
Affected (make, year) variants
2

Summary

DURING THE EA, ODI AND VRTC PERFORMED THE FOLLOWING ACTIVITIES:1.CONDUCTED A MAIL SURVEY OF 246 SUBJECT VEHICLE OWNERS TODETERMINE THE ROADWAY SURFACE THAT CAUSED OWNERS' CONCERN;2.INTERVIEWED COMPLAINING OWNERS;3.CONDUCTED FIELD INSPECTIONS OF SEVEN (7) COMPLAINT VEHICLES;4.INSTRUMENTED TESTING AT VRTC OF COMPLAINT AND PEER VEHICLES;5.REVIEWED SUBARU'S RESPONSE TO OUR INFORMATION REQUEST;6.MET WITH SUBARU FOR TECHNICAL REVIEW OF TESTINGAS A RESULT OF THE WORK CONDUCTED BY VRTC AND ODI DURING THIS INVESTIGAITON, A CONSISTENT OR CHRONIC PATTERN OF POOR BRAKE PERFORMANCE HAS NOT BEEN IDENTIFIED.VRTC CONDUCTED OVER 11,500 BRAKE TESTS.THEY DID NOT OBSERVE ANY LONG-DURATION, LOW DECELERATION EVENTS (SOME OWNERS REPORTED DELAYS OF 4 TO 10 SECONDS) IN THE TEST VEHICLES.SEE ODI'S CLOSING REPORT AND VRTC'S TEST REPORT FOR FULL DETAILS

Source

Authoritative
NHTSA ODI investigation page
Machine
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