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NHTSA Preliminary Evaluation PE04011

Preliminary Evaluation · ALLEGED BRAKE DRAG · Opened 2004-01-28 · Closed 2004-09-01

Investigation

Action number
PE04011
Type
Preliminary Evaluation
Open date
2004-01-28
Close date
2004-09-01
Manufacturer
SEALCO COMMERCIAL VEHICLE PRODUCTS
Affected makes
AIR CONTROL VALVES
Affected components
SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE
Affected model years
9999
Affected (make, year) variants
13

Summary

ODI'S ANALYSIS OF THE FIELD PERFORMANCE STATISTICS AND AVAILABLE TECHNICAL INFORMATION HAS NOT BEEN ABLE TO ESTABLISH THAT A LEAK IN THE RUBBER BAND CHECK VALVE CAUSES PREMATURE BRAKE WEAR, DRAGGING BRAKES AND/OR POSES AN UNREASONABLE RISK TO MOTOR VEHICLE SAFETY.ODI IS NOT AWARE OF ANY CRASHES, INJURIES, OR DEATHS ASSOCIATED WITH THIS ISSUE.IT APPEARS THAT FURTHER INVESTIGATION ACTIVITY IS UNLIKELY TO HAVE ANY SIGNIFICANT IMPACT SINCE SEALCO HAS CONDUCTED A SERVICE PROGRAM TO REPLACE THE SUSPECT CHECK VALVES IN THE FIELD ANDVARIOUS VEHICLE MANUFACTURERS AND SEALCO HAVE INDICATED THAT COMPLAINTS HAVE ABATED.SEE ATTACHED TECHNICAL REPORT FOR FULL DETAILS.

Source

Authoritative
NHTSA ODI investigation page
Machine
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