NHTSA Complaint #10088360 — 2004 CHEVROLET COLORADO

IMMEDIATELY AFTER PURCHASING A 2004 CHEVY COLORADO REG CAB 5 CYL, I HAVE EXPERIENCED A NOTICEABLE VIBRATION AND ROUGH RIDE. DEALERSHIP BALANCED MY TIRES AND TRIED TEMPORARILY SWAPPING TIRES BUT THE PROBLEM STILL EXIST. I ALSO TEST DROVE ANOTHER TRUCK AT THE DEALERSHIP THAT HAD THE SAME VIBRATION PROBLEM. IT IS VERY NOTICEABLE ON ROUGH PAVEMENT REGARDLESS OF SPEED, AND AT SPEEDS AROUND 45-55 INTERMITTENTLY ON THE HIGHWAY. FEELS LIKE THE REAR END IS NOT BALANCED. BACK END SHIMMY'S FROM SIDE TO SIDE SENDING VIBRATIONS THRIUGH THE TRUCK MY DEALERSHIP TOLD ME IT IS JUST THE WAY THE TRUCK IS DESIGNED AND HAS BEEN DELAYING FIXING THE PROBLEM NOW FOR TWO MONTHS. OTHERS ARE ALSO HAVING PROBLEMS WITH THIS TRUCK, SEE THE FOLLOWING FORUM TO READ THEIR STORIES. IT SEEMS THERE MIGHT BE A DRIVE SHAFT DESIGN PROBLEM? HTTP://WWW.AUTOMOTIVEFORUMS.COM/VBULLETIN/SHOWTHREAD.PHP?P=2159504. *JB