ONE DAY IT JUST GOT WARM. WE TURNED IT OFF AND THE RADIATOR BUBBLED. I LET IT COOLED DOWN. I CHECKED THE OIL AND WATER. IT WAS PROBABLY A QUART LOW AND THE OIL LOOKED A TOUCH MILKY. OIL WAS NOT OVER FULL. I ASSUMED IT WAS FINE. THE NEXT TRIP TO TOWN AND BACK(ABOUT 20 MILES ROUND TRIP)IT RAN WARM ON THE WAY HOME. WHEN WE GOT HOME THE RADIATOR WAS BOILING A LITTLE BIT AGAIN. AFTER IT COOLED OFF I CHECKED THE WATER IS HALF TO THREE QUARTERS GALLON LOW ON WATER. OIL WAS REGISTERING A LITTLE MORE THAN A QUART OVER FULL AND REAL MILKY LOOKING. THAT IS WHEN I NOTICED THERE WAS A PROBLEM. I CHANGE OIL AND FILTER. TOPPED OFF WATER. I ADDED SOME ALUMINUM SEAL AND TOPPED OFF THE WATER. AFTER I DID THAT IT SEEMED LIKE IT WAS FIXED FOR ABOUT 8 DAYS THEN IT DID IT AGAIN. I HAVEN'T STARTED IT OR DRIVEN IT SINCE. IT IS GOING TO COST ABOUT 500-800 DOLLARS TO GET IT FIXED. MY COMPLAINT IS THAT GENERAL MOTORS KNOWS ABOUT THE INTAKE MANIFOLD GASKET PROBLEM BUT THEY WON'T RECALL ANY OF THESE VEHICLES. THERE IS EVEN A PETITION ONLINE TO GET THEM TO. MY CAR IS A 2000 CHEVROLET IMPALA. I DIDN'T FEEL LIKE I SHOULD HAVE TO PAY FOR THEIR MISTAKE. I CAN'T AFFORD TO GET IT FIXED AND I AM STILL MAKING PAYMENTS ON IT. I DIDN'T WANT IT TO GO TO WASTE IT IS A VERY NICE CAR. I REALLY LIKE MY CAR. I WISH I COULD DRIVE IT. *AK
2008
FUEL SYSTEM, OTHER
GM ADVERTISES THAT MILEAGE FOR AVERAGE HIGHWAY DRIVING IS 28 MPG. THE CAR DOES NOT MEET OR EVEN COME CLOSE TO THIS STANDARD. I HAVE TESTED MILEAGE WITH 100% HIGHWAY DRIVING AND THE MAX MPG IS 23. WITH SOME MINIMAL OFF HIGHWAY DRIVING (TO AND FROM HIGHWAY) THE MPG AVERAGES 21 TO 22. OFF HIGHWAY MPG AVERAGES 19. MY INVESTIGATIONS HAVE FOUND THAT GM HAS CHANGED THE FINAL DRIVE RATIO. AT 70 MPH THE ENGINE RPM IS 2,300. THAT IS 300 RPM MORE THAT PREVIOUS MODEL YEARS. *TR