"Front bank: 1-2-3. Rear bank: 4-5-6. Firing order is 1-2-3-4-5-6. Wait—no, that's wrong." He squinted. "1-2-3-4-5-6? Hell no. It's 1-6-5-4-3-2. That’s right. GM’s oddball. Makes it sound like a tractor with a cold."
Understanding the layout is vital for troubleshooting misfires or replacing spark plug wires. : Contains cylinders 1, 3, and 5 . Bank 2 (Front/Radiator) : Contains cylinders 2, 4, and 6 . Firing Order : The sequence is 1-2-3-4-5-6 . Critical Sensor Locations Chevy 3 1 Liter V6 Engine Diagram
His finger moved to the bottom of the drawing: . "Front bank: 1-2-3
Look for the "bypass" passage—a small hose that allows coolant to circulate through the engine when the thermostat is closed. Wait—no, that's wrong
While text descriptions help, you need a real diagram. Here are the best sources:
If you look at a for the cooling system,