The 3.4-liter V6 GM LNJ was built in China from 2004 to 2009 for the first-generation Chevrolet Equinox and the related Pontiac Torrent. It is the most modern engine of the 60-degree V6 family, with an electronic throttle, and produces 185 hp and 285 Nm.
Specifications
| Production years | 2004-2009 |
| Displacement, cc | 3350 |
| Fuel system | distributed injection |
| Power output, hp | 185 |
| Torque output, Nm | 285 |
| Cylinder block | cast iron V6 |
| Block head | aluminum 12v |
| Cylinder bore, mm | 92 |
| Piston stroke, mm | 84 |
| Compression ratio | 9.5 |
| Features | OHV |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.3 |
| Fuel type | petrol |
| Fuel consumption, L/100 km (for Chevrolet Equinox 2005) — city — highway — combined |
13.8 8.8 11.8 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 190 |
The engine was installed on:
- Chevrolet Equinox 1 (GMT191) in 2004 – 2009;
- Pontiac Torrent 1 (GMT191) in 2005 – 2009.
Disadvantages of the GM LNJ engine
- This is an updated engine without the intake manifold gasket problems of its predecessors;
- A batch of faulty thermostats led to some cases of head gasket failure;
- Ignition faults due to weak wiring are a common complaint;
- The timing chain is durable and usually needs replacing only after 250,000 km.
Frequently asked questions about the GM LNJ
How much power does the GM LNJ make?
The GM LNJ develops 185 hp and 285 Nm of torque.
How much oil does the GM LNJ take and which one?
Engine oil capacity: 4.3 liters. Recommended oil: 5W-30.
Does the GM LNJ have a timing belt or chain?
The GM LNJ uses a timing chain.
Is the GM LNJ turbocharged?
No, the GM LNJ is naturally aspirated.
How long does the GM LNJ last?
The typical lifespan of the GM LNJ is ~300 000 km with proper maintenance.
What is the fuel consumption of the GM LNJ?
Chevrolet Equinox 2005: city 13.8, highway 8.8, combined 11.8 L/100 km.
What cars was the GM LNJ installed on?
Chevrolet Equinox 1 (GMT191) in 2004 - 2009; Pontiac Torrent 1 (GMT191) in 2005 - 2009.
What are the common problems of the GM LNJ?
This is an updated engine without the intake manifold gasket problems of its predecessors. A batch of faulty thermostats led to some cases of head gasket failure. All known problems.
