NHTSA Complaint #10201854 — 2007 CHEVROLET SILVERADO 1500

HESITATION AT 12000+- WHEN DOWNSHIFTING FROM OVERDRIVE TO 3 GEAR WHEN TRAVELING BETWEEN 45 TO 60 MPH & WAS ONLY NOTICEABLE WHEN TRAVELING ON UPHILL GRADES. ALSO A NOTICEABLE DROP IN FUEL MILEAGE WAS NOTICED. TAKEN TO THE DEALERSHIP AT 12800. DEALERSHIP UPDATED THE ACTIVE FUEL MANAGEMENT SOFTWARE. HESITATION PRESENT. RIDE ALONG PERFORMED WITH THE SHOP FOREMAN AT 12900+- THE VEHICLE DID HESITATE. SHOP FOREMAN RECOMMENDED CHANGING BRANDS OF FUEL, ROAD FORCE BALANCE THE TIRES & FUEL FILTER. DIFFERENT BRANDS OF FUEL WERE USED & WAS BROUGHT IN FOR RECOMMENDED SERVICE AT 12937. FUEL FILTER WAS NOT REPLACED. HESITATION PRESENT. DEALERSHIP RECOMMENDED PERFORMING A SNAPSHOT OF VEHICLE COMPUTER FOR GM. 5 WEEK WAIT FOR EQUIPMENT FOR SNAPSHOT WHILE PROBLEMS WORSEN. SNAPSHOT TAKEN ON 7/23/07 & SENT TO GM. 3 WEEK WAIT FOR GM RESPONSE WHILE PROBLEMS WORSEN. CONTACTED CHEVY CUSTOMER ASSISTANCE (CCA) TO DISCUSS -CASE # 71-543486241. GM STATES THAT VEHICLE WAS WITHIN VEHICLE SPECS. RIDE ALONG WITH THE SERVICE MANAGER WAS PERFORMED AT 15500+-. DEALERSHIP FINAL STATEMENT ?DRIVE-ABILITY CHARACTERISTICS OF VEHICLE?. CALLED CCA FOR NEXT STEP CCA STATED THERE WAS NOTHING CCA COULD DO BUT I COULD HAVE ANOTHER DEALER LOOK AT THE VEHICLE. VEHICLE TAKEN TO SECOND DEALERSHIP FOR A RIDE ALONG WITH SERVICE MANAGER AT-16K MILES. SERVICE MANAGER STATED THE VEHICLE DID NOT PERFORM PROPERLY & WOULD INVESTIGATE. CALLED TO CCA TO UPDATE. DEALER CALLED ME, STATED NUMEROUS SERVICE BULLETINS THAT MATCH VEHICLE PROBLEMS BUT NO FIX AVAILABLE. CALLED CCA TO ASK IF & WHEN A FIX WOULD BE AVAILABLE, TOLD THEY DO NOT HAVE ACCESS TO THAT INFO. ASKED FOR A PHONE NUMBER FOR A DEPT AT CHEVY THAT COULD PROVIDE ANSWER BUT CCA NOT ALLOWED TO GIVE OUT NUMBER. ASKED WHAT OPTIONS I HAVE WITH CHEVY, TOLD THAT I MUST WAIT 5 DAYS FOR FURTHER INFORMATION. VEHICLE NOW HESITATES, LOOSES POWER & WILL DISENGAGE CRUISE CONTROL CREATING A SAFETY ISSUE. CCA CONTACTED AND REQUESTED MORE TIME ON 8/31/07 I ASKED FOR A VEHICLE BUY BACK. *JB