How long do Northstar engines last?

150-200K is rather common.

What year Northstar engines to avoid?

Cadillac DTS, Buic Lucerne and Cadillac STS were the last cars to use a Northstar engine, but generally it is felt that those models from 2002 onwards do not suffer as much with the head gasket issues that plague earlier models. If you have a model prior to this, however, the chances are your Cadillac could be at risk.

Is the Northstar a good engine?

The original L37 features and performance produced 290 horsepower, with the engine topping out at around 300 horsepower. This shows that the Northstar engine produced some of the most powerful domestic front wheel cars on the market, and the Northstar engine and the performance are very good.

What year did Cadillac fix the Northstar head gasket problem?

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. Yet others say not until 2004 did the majority of the head gasket issues get “solved.”

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How many miles can you get out of a Cadillac DTS?

You want your Cadillac DTS to last as long as possible. If you put in the effort to keep up with proper maintenance, you could hit 200,000 miles (or beyond!) in your DTS.

What is the best Northstar engine?

Initially rated at 295 horsepower, the Northstar V8 has been ranked as one of the “10 Best Engines in North America” by Ward’s Auto World. It also beat out both Mercedes-Benz and BMW in horsepower per liter of displacement, fuel economy and required maintenance.

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. … If the radiator hose is not hot, the thermostat might need to be replaced.

What causes Northstar head gasket failure?

There are three ways the head gaskets can fail on a Northstar. 1- exhaust gases blow into the cooling system under load, such as when you climb a hill or pass someone. 2-coolant gets into the cylinders and you leave a trail of white smoke behind you. 3- coolant gets in your oil or vice-versa.

Why do Northstar engines leak oil?

The next most common leaks are the oil pressure sensor and the oil filter adapter. Oil pan, oil manifold, oil level sensor, oil drain plug and lower crankcase seal leaks are also common and low on the engine and are likely to only be noticed as spotting while parked. …

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Do Northstar engines need premium?

Use premium without a doubt. It burns cleaner, keeps the fuel system cleaner, and makes the engine run better. It only costs like $2-3 more total than using regular so you either pay $25 for a full tank of regular or $28 for a full tank of premium.

How reliable is the Northstar v8?

As long as you maintain the engine, particularly the cooling system, the Northstar is very reliable for hundreds of thousands of miles.

Can a Cadillac last 200K miles?

The Cadillac CTS can last up to 200K-300k when maintained and taken care of. Several owners shared on a CarGurus forum experiences owning Cadillac CTS with over 200k miles that still are running great.

What is high mileage for a Cadillac?

If You properly maintain the Cadillac CTS it can last anywhere from 100,000 miles to 400,000 miles or more if You get lucky. If You fail to maintain the vehicle then You will be lucky to get up to 100,000 miles out of it.

Is the Cadillac DTS reliable?

The average rating is a 4 out of 5 stars. The Cadillac DTS Reliability Rating is 3.0 out of 5. It ranks 26th out of 32 for all car brands. Learn more about Cadillac DTS Reliability Ratings.