9.0

really awful
Typical Repair Cost:
No data
Average Mileage:
102,600 miles
Total Complaints:
2 complaints

Most common solutions:

  1. not sure (2 reports)
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problem #2

Sep 022015

Grand Prix 3.6L

  • Automatic transmission
  • 164,598 miles

Well I changed the water pump, the thermostat and the car still runs hot. All I want is to get the car running right.

- lsmalls, Savannah, GA, US

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problem #1

Aug 062010

Grand Prix Limited Edition Supercharged V6

  • Automatic transmission
  • 40,563 miles

CAR STARTED DYING ON EXIT FROM INTERSTATE. LOOKED LIKE BATTERY WAS DYING EVERYTHING STARTED TO SHUT DOWN COULD HARDLY STEER. THE CAUSE WAS FAULTY WATER PUMP. DEALER FOUND DRIVE BELTS WERE TORN FROM CAR AND MIL IS ON WITH DTC. FOUND THE WATER PUMP HAD COME APART AND THREW DRIVE BELTS. REMOVED POWER STEERING PUMP AND IDLER PULLEY TO ACCESS THE WATER PUMP. INSTALLED NEW PUMP AND GASKET AND REINSTALLED ALL PARTS. TOPPED OFF COOLANT AND BLED AIR FROM SYSTEM. CLEARED DTC AND ROAD TESTED. CAR WAS OUT OF COMMISSION FOR DAYS.

- jewelcase11, Montpelier, VT, US

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