Radiator Problems of Cadillac Deville

Cadillac Deville owners have reported 10 problems related to radiator (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Cadillac Deville based on all problems reported for the Deville.

1 Radiator problem of the 2003 Cadillac Deville

Failure Date: 08/01/2014

The contact owns a 2003 Cadillac Deville. The contact stated that while driving at various speeds, the vehicle shut off without warning. The contact mentioned at other times a warning light illuminated and a message displayed that fluid was needed in the radiator. The fluid had to be changed frequently between 600-800 miles. The contact received a notification for recall NHTSA campaign number: 14v355000 (electrical system). However, the part needed to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The failure mileage was 7,000.

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2 Radiator problem of the 2004 Cadillac Deville

Failure Date: 06/20/2012

Vehicle overheated, engine went into protect mode, driver info center directed me to shut down vehicle, I pulled off to the side of the road promptly and shut vehicle down. I waited for 15 minutes, turned ignition to on position, and it read it was cooled down enough to drive. I took off onto the road again, a half a mile later, I had to do the same thing. I waited 30 minutes for a some one to meet me at the location, this person restarted the vehicle and drove it 2 miles to my house, where it overheated again in the driveway. After replacing the water pump, belts, thermostat, and radiator, it was discovered that the head bolts were indeed what was causing the vehicle to overheat. The mechanic found that they were at the incorrect torque and that there was combustion chemicals in the cooling system. I now am replacing the gaskets, bolts, and may have to get the heads machined, but work has not been completed on the vehicle as of yet.

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3 Radiator problem of the 2002 Cadillac Deville

Failure Date: 05/23/2012

The contact owns a 2002 Cadillac Deville. The contact stated that the vehicle began to overheat while stopped. The vehicle was taken to a personal mechanic where the thermostat was replaced. The failure recurred after the repairs and the vehicle was taken back to the mechanic who replaced the pump and the temperature cooling sensor. The failure recurred and a new radiator cap was installed but still, to no avail. The vehicle was taken to a dealer for diagnosis where it was found to have a blown head gasket. The manufacturer was notified but offered no assistance. The vehicle had not been repaired. The failure and current mileages were 92,000.

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4 Radiator problem of the 2000 Cadillac Deville

Failure Date: 07/21/2010

The contact owns a 2000 Cadillac Deville. The contact stated while driving at 25 mph, the engine would abnormally overheat. The contact received a radiator flush and the water pump was replaced yet the failure persisted. The contact stated he would continuously add anti-freeze to the engine to stop it from becoming excessively hot. The contact took the vehicle to a local mechanic where it was discovered that there was an eight inch fracture in the engine block. The manufacturer advised the contact that because the vehicle was over ten years of age, they would not provide any assistance. The contact was concerned that the engine fracture would potentially cause the entire engine to fail. The vehicle was not repaired. The failure mileage was 52,000.

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5 Radiator problem of the 1999 Cadillac Deville

Failure Date: 09/12/2008

While driving vehicle reached high temperatures. Had radiator replaced and thermostat. The car still overheats. Took the car to technician who suggested to replace the engine which would cost $7,000. Through online research, my daughter discovered the Cadillac Deville 1999 northstar model/vehicle has numerous issues due to overheating and head gaskets.

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6 Radiator problem of the 1999 Cadillac Deville

Failure Date: 09/07/2008

While driving vehicle reached high temperatures. Had radiator replaced and thermostat. The car still overheats. Took the car to technician who suggested to replace the engine which would cost $7,000. Through online research, my daughter discovered the Cadillac Deville 1999 northstar model/vehicle has numerous issues due to overheating and head gaskets.

7 Radiator problem of the 1999 Cadillac Deville

Failure Date: 12/15/2005

1999 Cadillac Deville. Consumer states that the vehicle persistently overheats and the engine shuts off. The consumer stated the vehicle was leaking coolant. The thermostat, upper radiator hose and reservoir were replaced. A diagnostic test revealed exhaust was entering the coolant system and the vehicle would emit smoke of any color.

8 Radiator problem of the 1997 Cadillac Deville

Failure Date: 12/09/2005

I had antifreeze leaking from my Cadillac Deville and took it to a mechanic that I have a lot of trust in. I expected to hear I had a bad radiator and would have to replace it. Instead he called me and told me that gm has a bad design defect with the materials they used on the head bolts to hold the motor. They deteriorate because of this and strip out causing pressure on the radiator and it cracks. All this is a result of using aluminum instead of steal. The mechanic said he see the same thing every other week and to date gm has not done anything about it. I called gm and they blew me off. They gave me a file number of 1-380-399-885.

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9 Radiator problem of the 1997 Cadillac Deville

Failure Date: 02/28/1998

Radiator leaked at hose connection. Yh.

10 Radiator problem of the 1996 Cadillac Deville

Consumer noticed fluid on the garage floor under the vehicle. The vehicle was taken to a mechanic who determined an oil leak due to a faulty engine gasket and a rusted radiator.

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