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Search Results   Report Date : February 9, 2010 at 09:17 PM NHTSA Action Number : EA07009 N/A NHTSA Action Number : EA07009 NHTSA Recall Campaign Number : N/A Make / Models :         Model/Build Years:          BUICK / RAINIER     2004      CHEVROLET / TRAILBLAZER     2002-2004      CHEVROLET / TRAILBLAZER 360     2002-2004      CHEVROLET / TRAILBLAZER EXT     2002-2004      CHEVROLET / TRAILBLAZER EXT 370     2002-2004      GMC / ENVOY     2002-2004      GMC / ENVOY 360     2002-2004      GMC / ENVOY XL     2002-2004      GMC / ENVOY XL 370     2002-2004      ISUZU / ASCENDER     2002-2004      OLDSMOBILE / BRAVADA     2002-2004 Manufacturer : GENERAL MOTORS CORP. Component : FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP Date Investigation Opened : July 10, 2007 Date Investigation Closed : August 28, 2008 Summary: DURING THE COURSE OF THIS EA INVESTIGATION, ODI OBSERVED THAT THE MAJORITY OF THE COMPLAINTS (88%) AND WARRANTY CLAIMS (94%) WERE REPORTED FOR VEHICLES THAT ARE REGISTERED FOR USE IN THE "SALT BELT" REGION OF THE US. THIS AREA INCLUDES 20 STATES IN THE NORTHEAST, MID ATLANTIC AND THE MIDWEST REGIONS AND THE DISTRICT OF COLUMBIA. CONSUMERS IN THE SALT BELT REGION REPORTED TO ODI THAT THEY COULD SMELL FUEL VAPORS IN THEIR VEHICLES WHILE DRIVING. UPON FURTHER EXAMINATION OF THEIR VEHICLES, THEY DISCOVERED THAT FUEL VAPORS WERE COMING OUT OF THE TOP OF THE FUEL TANK. THIS CONDITION IS CAUSED BY CORROSION OF THE RETURN AND SENDER LINES OF THE FUEL PUMP MODULE. WATER AND ROAD SALT COLLECT ON TOP OF THE FUEL PUMP LEADING TO SMALL PINHOLES APPEARING ON THE FUEL LINES. FUEL MAY LEAK AND COLLECT ON TOP OF THE MODULE AND/OR SPILL ONTO THE GROUND. THE DATA EVALUATED UNDER THIS INVESTIGATION REFLECT A RELATIVELY LOW FREQUENCY OF OCCURRENCE THAT LARGELY ARISES IN SALT BELT STATES. GM HAS EXTENDED THE WARRANTY ON THE SUBJECT COMPONENT TO TEN YEARS OR 120,000 MILES. FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED AT THIS TIME; ACCORDINGLY, THIS INVESTIGATION IS CLOSED. THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS. THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES. FOR ADDITIONAL INFORMATION SELECT DOCUMENT SEARCH. Check to Request Research. Submit below.