Overall, the liter V6 engine is a complex and sophisticated system that requires proper understanding and care to ensure optimal performance and longevity. The Role of the 3.1 Liter V6 Engine in Modern Vehicles. When it comes to modern vehicles, the 3.1 liter V6 engine plays a crucial role in providing power and performance.. Engine Notes With one notable exception, all of the 60° V6 engines in GM's 2.7/3.1/3.4L family have been conventional pushrod designs with two vales per cylinder. The one exception was the dual overhead cam (DOHC) "LQ1" version of the 3.4L engine produced from 1991 to 1997. The 3.1L V6 utilizes a 3.50" bore with a 3.312" stroke.
3.4L And 3.1L V6 Engine Systems Operation. 3.4L And 3.1L Engine oiling and lubrication system. 3.4L And 3.1L Engine mechanical description. 3.4L And 3.1L Electronic engine control systems. 3.4L And 3.1L sensor locations. 3.4L and 3.1L Ignition System. 3.1L / 3.4L Serpentine Belt Routing Diagram. Lumina V6-3100 3.1L VIN M SFI (1995) > Chevrolet Workshop Service and Repair Manuals > Engine, Cooling and Exhaust | Cooling System | Radiator Cooling Fan | Radiator Cooling Fan Motor | Component Information | Diagrams | Diagram Information and Instructions. Radiator Cooling Fan Motor: Diagram Information and Instructions.