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Quick Answer: Cadillac head gasket problems?

What year did Cadillac fix the Northstar head gasket problem?

Hello all, I’ve owned quite a few northstars in my day, and I’m getting mixed reviews of when Cadillac changed the bolts and other parts of the engine. Some reports say by the 2000 Deville (new body style,) most of the head gasket issues had been fixed. Other places say 2002 the majority was fixed.

What are the symptoms of a head gasket going bad?

Bad head gasket symptoms

  • White smoke coming from the tailpipe.
  • BUBBLING IN THE RADIATOR AND COOLANT RESERVOIR.
  • unexplained coolant loss with no leaks.
  • Milky white coloration in the oil.
  • Engine overheating.

How much does it cost to fix a blown head gasket on a Cadillac?

Cadillac DeVille Head Gasket Replacement Cost Estimate. The average cost for a Cadillac DeVille head gasket replacement is between $1,716 and $2,112. Labor costs are estimated between $1,517 and $1,914 while parts are priced at $198.

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What causes Northstar head gasket failure?

Unfortunately Northstar engine head gasket failures are not limited to the 96-99 model years. Those years are the worst but form my experience just about all Northstar engines are susceptible to head gaskets failures, most commonly after the engine has been overheated due to some other cooling system failure.

What year Northstar engines to avoid?

Despite the use of the Northstar engine in various cars that did well on the market, General Motors stopped producing the Northstar engine in 2011. The last cars to ever house the engine was the Cadillac DTS, the Buick Lucerne, and the Cadillac STS, which came off the line for the last time in 2011.

What year Cadillac has head gasket problems?

The popular 2000 and 2002 Cadillac DeVilles are prime casualties, with the engine tending to overheat due to a leaking head gasket.

Can you fix a head gasket without replacing it?

Most blown head gaskets can be properly fixed without a mechanic. There is a point where the damage is too great and you will need the expertise of a professional to replace the gasket, but many leaks in a head gasket can be taken care of with one of our products. Blown Head Gasket Repair — HG-1.

Is it worth fixing a blown head gasket?

Is it Worth Repairing a Blown Head Gasket? In a word, yes. You cannot ignore a blown head gasket and expect to keep your car running in good condition. If a blown head gasket is not repaired in a timely fashion you risk a cascade effect of damage.

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Can you still drive a car with a blown head gasket?

Blown your head gasket? Keep driving with a blown head gasket and it will inevitably lead to further car trouble. K-Seal can stop the problem in its tracks, before it’s too late. Technically you can drive with a blown head gasket, but we‘d always advise against it.

How long do Northstar engines last?

150-200K is rather common. Several here alone. They are known for head gasket problem.

How long can I drive with a blown head gasket?

Typically a car will last no longer than a month with a blown head gasket. This is the average and your engine’s life may differ depending on how bad the leak/perforation in the gasket is. The head gasket keeps the internal pressure that the engine holds.

Why do Northstar engines overheat?

The thermostat gauges the temperature of the engine to control the flow of coolant into the cylinder block and radiator. A faulty thermostat might not open, meaning coolant won’t flow. This in turn will cause the engine to overheat.

How reliable is the Cadillac Northstar engine?

You should do a search as this has been discussed many times.. As long as you maintain the engine, particularly the cooling system, the Northstar is very reliable for hundreds of thousands of miles. Personally, I had 110,000 on a 1995 Cadillac Eldorado Touring Coupe and it still drove like brand new.

What is wrong with Cadillac Northstar?

Many Northstar engines became well known for their tendencies to experience head gasket failure. The most common years of the head gasket issue, by far, are 1997-1999. In 2000, Cadillac lengthened the head bolts, which decreased the chance of having the failure; however, it did not eliminate the issue entirely.

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