The General Motors LF1 3.0-liter V6 engine was assembled in the United States and Mexico from 2009 to 2016 and was installed on such popular models as the Cadillac SRX, as well as the Chevrolet Equinox and GMC Terrain. Such a power unit on Opel cars is known under its own index A30XH.
High Feature family: L3B, LP9, LF1, LFX, LFY, LGX, LLT, LY7.
Specifications
| Production years | 2009-2016 |
| Displacement, cc | 2994 |
| Fuel system | direct injection |
| Power output, hp | 250 – 275 |
| Torque output, Nm | 285 – 305 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 89 |
| Piston stroke, mm | 80.3 |
| Compression ratio | 11.7 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | Dual VVT |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.7 |
| Fuel type | petrol |
| Euro standards | EURO 5 |
| Fuel consumption, L/100 km (for Cadillac SRX 2011) — city — highway — combined |
13.8 10.2 11.3 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 185 |
The engine was installed on:
- Buick LaCrosse 2 (GMX353) in 2009 – 2010;
- Cadillac CTS II (GMX322) in 2009 – 2011;
- Cadillac SRX II (GMT267) in 2009 – 2016;
- Chevrolet Captiva 1 (C140) in 2011 – 2015;
- Chevrolet Equinox 2 (GMT192) in 2009 – 2012;
- GMC Terrain 1 (GMT177) in 2009 – 2012;
- Saab 9-4X I (GMT168) in 2010 – 2011.
Disadvantages of the GM LF1 engine
- The main problem of the engine is the capricious direct fuel injection system;
- If you miss the breakdown of the injection pump, then gasoline will enter the lubrication system and the engine will jam;
- It is important to monitor the cooling system; when overheated, the gasket breaks quickly;
- Like all direct injection units, it is prone to carbon deposits on the valves;
- Also here it is often necessary to clean the throttle and adapt it.
Frequently asked questions about the GM LF1
How much power does the GM LF1 make?
The GM LF1 develops 250 - 275 hp and 285 - 305 Nm of torque.
How much oil does the GM LF1 take and which one?
Engine oil capacity: 5.7 liters. Recommended oil: 5W-30.
Does the GM LF1 have a timing belt or chain?
The GM LF1 uses a timing chain.
Is the GM LF1 turbocharged?
No, the GM LF1 is naturally aspirated.
Does the GM LF1 need valve clearance adjustment?
No, the GM LF1 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the GM LF1 last?
The typical lifespan of the GM LF1 is ~300 000 km with proper maintenance.
What is the fuel consumption of the GM LF1?
Cadillac SRX 2011: city 13.8, highway 10.2, combined 11.3 L/100 km.
What cars was the GM LF1 installed on?
Buick LaCrosse 2 (GMX353) in 2009 - 2010; Cadillac CTS II (GMX322) in 2009 - 2011; Cadillac SRX II (GMT267) in 2009 - 2016; Chevrolet Captiva 1 (C140) in 2011 - 2015; Chevrolet Equinox 2 (GMT192) in 2009 - 2012; GMC Terrain 1 (GMT177) in 2009 - 2012 and 1 more (see the full list above).
What are the common problems of the GM LF1?
The main problem of the engine is the capricious direct fuel injection system. If you miss the breakdown of the injection pump, then gasoline will enter the lubrication system and the engine will jam. All known problems.
