Investigation EA04012: 2000–2004 Chevrolet Avalanche

Status

CLOSED

Opened

Apr 30, 2004

Closed

Feb 28, 2005

Model years

2000–2004

Subject

Hydraulic pump failres

Component: Service brakes, hydraulic › Power assist

Summary

Gm is conducting a recall on all subject vehicles build between may 1999 and october 14, 1999.significant changes were incorporated into production in early october 1999, and vehicles built after that date have lower warranty failure rates.the complaint and warranty data appear to support the effectiveness of these changes. Gm made additional changes in november 1999, february 2000, may 2001, and february 2004.odi will continue to monitor this problem and will take further action, if warranted, in the future.for further technical details see the attached engineering analysis report.

An NHTSA investigation looks into whether a safety defect exists. Opening one is not a finding. Outcomes can include a recall, closure without action, or further inquiry.

Model years covered

• 2004 Chevrolet Avalanche165 complaints
• 2003 Chevrolet Avalanche204 complaints
• 2002 Chevrolet Avalanche444 complaints