The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011.
What year Northstar engines to avoid?
Which Cadillac Northstar models suffer most with head gasket leaks? 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.
What year did Cadillac fix the Northstar engine?
After a long run spanning almost two decades, the Northstar engine came to its final leg in 2011. The last cars to sport a Northstar engine were the Buick Lucerne, Cadillac DTS, and the Cadillac STS. The Northstar was later replaced by the GM LS small-block OHV engine, switching back to the pushrod design.
What vehicles have Northstar engines?
The naturally-aspirated 4.6L Northstar V8 LH2 made 320 horsepower and was available in the first-generation Cadillac SRX, Cadillac STS, Cadillac XLR and Chinese-market Cadillac SLS. The range-topping variant was the supercharged 4.4L Northstar LC3 used in the Cadillac XLR-V and STS-V.
Is a Cadillac Northstar engine any good?
The Northstar engine is a family of GM engines produced from 1993 until 2011. … However, despite its successes the engine suffers from a number of common engine problems that are detrimental to the Northstar engine’s reliability.
Can you BulletProof a Northstar engine?
Our “BulletProof Kit” Contains the best parts to ensure your Northstar repair job is successful and durable. What’s included? With this kit you’re studding both critical areas of the aluminum engine block and you’re also adding the best head gaskets available on the market.
Does Cadillac still use the Northstar engine?
The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. … GM ceased production of the Northstar in 2011. The final cars to receive it, the Cadillac DTS, Buick Lucerne, and Cadillac STS, rolled off the line in 2011.
How many miles does a Northstar engine last?
It depends how well they’re maintained. But in general they’re very reliable engines. In many cases they outlive the car. Mine is up to over 270,000 miles and still going.
Do Cadillac STS have a lot of problems?
Cadillac STS Reliability Problems
STS owners have made 29 complaints over 7 model years. Using our PainRank™ system we’ve ranked it 12th in overall reliability out of 22 Cadillac models , with real electrical and engine concerns.
What year did the Cadillac Northstar come out?
The Northstar 4.6-liter V-8 made its first appearance in 1992 in Cadillac’s ill-fated Allante roadster. The Allante didn’t last past the 1993 model year because of poor sales, but the Northstar has been the mainstay front-wheel-drive engine for Cadillac since.
How much horsepower can a Northstar engine handle?
The 4.6L motor is reasonably powerful right out of the box, delivering between 275 and 300hp in stock trim for front-wheel drive applications and between 320 (naturally-aspirated) and 469 (supercharged) when found in rear-wheel drive vehicles.
How much is a new Northstar engine?
Northstar Performance – New / Remanufactured Northstar Engines. New Northstar Engines for your Cadillac / Aurora / Lucerne: We offer new/remanufactured Northstar engines for the price of $6,995 USD or $8,640 Canadian dollars (Price in effect as of Oct 26/2021).
Why do Cadillac 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.
Do Northstar engines need premium?
Do Northstar Engines Need Premium? … The engine runs cleaner, the fuel system is cleaner, and the fuel system is cleaner. The price is only about $2-3 more than using regular, so you can either pay $25 for a full tank of regular or $28 for a full tank of premium.
What is Cadillac’s best car?
The nine best Cadillacs ever made
- 2004 Cadillac CTS-V Gen 1. …
- 1959 Cadillac Series 62 convertible. …
- 2016 Cadillac ATS-V. …
- 1992 Cadillac Seville. …
- 2010 Cadillac CTS-V Wagon. …
- 2003 Cadillac DeVille. …
- 2021 Cadillac CT5-V Blackwing. …
- 1930 Cadillac V16.
Do all Northstar engines leak oil?
When Does the Oil Start Leaking? We wish we could tell you that your Northstar engine will never leak, but our experience tells us otherwise. There’s no way to avoid this. It’s understood that every Cadillac Northstar 4.6 engine will start leaking oil at some point, regardless of the Cadillac model that you drive.