Recall Query · FUEL TANK LEAKAGE · Opened 2006-12-14 · Closed 2007-04-18
Investigation
Action number
RQ06009
Type
Recall Query
Open date
2006-12-14
Close date
2007-04-18
Manufacturer
General Motors, LLC
Affected makes
BUICK; PONTIAC
Affected components
FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:STORAGE; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP
Affected model years
2001, 2002, 2003, 2004
Affected (make, year) variants
32
Summary
CERTAIN SUBJECT VEHICLES MAY EXHIBIT LEAKAGE OF ODOR AND/OR FUELFROM THE LOWER PORTION OF THE FUEL TANK INLET FILLER PIPE (INLET CHECK VALVE).THE INLET CHECK VALVE (ICV) AND THE FUEL TANK ARE JOINED TOGETHER USING A HOT PLATE WELDING PROCESS FOR PLASTIC PARTS.GM REPORTS THAT ITS ANALYSIS OF FIELD RETURNED PARTS SHOW EVIDENCE OF PROCESS VARIATIONS FOR DIFFERENT MANUFACTURING PERIODS.THESE VARIATIONS PRODUCED SOME ICV TO FUEL TANK JOINTS WITH POOR MELT FLOW LINES.ODI'S ANALYSIS OF GM'S WARRANTY CLAIM DATA FINDS MORE FREQUENT FUEL TANK REPLACEMENTS IN THE HOTTER CLIMATE STATES.THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA07-006) TO FURTHER ASSESS THIS MATTER.