Did Cadillac fix the Northstar engine?
GM ceased production of the Northstar in 2011. It was replaced by the GM LS small-block OHV engine, used in newer Cadillac V8 models like the CTS-V, marking a step back to a simpler, more reliable pushrod engine design.
Is the 4.5 Cadillac engine good?
The 4.5 and 4.9 are upgraded versions of the 4.1. They are responsive and provide adequate horsepower, and tend to be very reliable and long-lived engines. In fact, they remain two of the lowest warranty claim engines Cadillac ever produced. If the transmissions held up better, these cars would run to 300k and beyond.
Why are Northstar engines bad?
One Of the most prevalent and common problems in the North star engines is the head gasket issues, which shows why one could argue the Northstar engine is bad in the Northstar engine good vs. Many Northstar engines have reportedly experienced head gasket failure, which can be quite an important and expensive repair.
What size engine is a 4.1 L?
| Cadillac High Technology engine | |
|---|---|
| Displacement | 4.1 L; 249.4 cu in (4,087 cc) 4.5 L; 272.6 cu in (4,467 cc) 4.9 L; 298.6 cu in (4,893 cc) |
| Cylinder bore | 88 mm (3.465 in) 92 mm (3.622 in) |
| Piston stroke | 84 mm (3.307 in) 92 mm (3.622 in) |
| Block material | Aluminum |
What Cadillac has a V8?
Based on the Cadillac CT6 large luxury sedan, the 2020 Cadillac CT6-V is a high-performance variant powered by a twin-turbo 4.2-liter V8 engine (550 horsepower and 627 lb-ft of torque).
Is the Northstar engine really that bad?
Is the Cadillac Northstar engine reliable?
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.