NHTSA Complaint #10455125 — 2010 CHEVROLET EQUINOX

BROUGHT VEHICLE INTO FIRST DEALER FOR LOUD ENGINE NOISE AT LOW SPEED (1 TO 10 MPH)06/17/2011. DEALER SAID IT WAS THE FUEL INJECTORS AND SAID THEY WILL INSTALL AN INSULATOR TO QUIET THE NOISE. INSTALLED INSULATOR PROBLEM NOT RESOLVED 7/1/2011. BROUGHT IT TO ANOTHER DEALER FOR THE SAME NOISE. DEALER FOUND NOISE FROM TIMING CHAIN7/26/2012. THEY REPLACED TIMING CHAIN AND TENSIONER8/31/2011. PROBLEM SEEMED TO BE RESOLVED. 8 MONTHS LATER THE NOISE IS BACK. GAS MILEAGE AND POWER HAS DECREASED. DEALER SUGGESTED RUNNING A SOLUTION THROUGH THE ENGINE TO CLEAR OUT CARBON FROM LOW OCTANE GAS. DEALER APPLIED SOLUTION AND TOLD ME TO RUN TWO TANKS OF SUPER UNLEDED TO RESOLVE THE PROBLEM 4/6/2012. NOISE IS STILL THERE AFTER 2 TANKS OF SUPER UNLEADED 4/13/2012. GOING BACK TO THE DEALER IN A WEEK 4/20/2012. CONTACTED GM IN DETROIT TO EXPRESS MY ANGER.4/13/2012..