How to adjust the valve clearance of V-engine cylinders 8, 12 and 16?

Adjustment of valve clearance of V8 engine;

Adjust the valve clearance according to the ignition sequence of 1-5-4-2-6-3-7-8. The order is as follows:

1. Adjust the first cylinder to the top dead center, and adjust the intake valve and exhaust valve of 1 cylinder, exhaust valves of cylinders 5, 4 and 2, and intake valves of cylinders 3, 7 and 8.

2. Then rotate the crankshaft 360 degrees, make the piston of cylinder 6 reach the top dead center, and adjust the intake and exhaust valves of cylinder 6, exhaust valves of cylinders 3, 7 and 8, and intake valves of cylinders 5, 4 and 2 without moving 1 cylinder.

Adjustment of valve clearance of V 12 engine;

Adjust the valve clearance according to the ignition sequence of1-12-5-8-3-10-6-7-2-1-4-9. The order is as follows:

1. Adjust 1 top dead center of cylinder, respectively adjust the intake valve and exhaust valve of 1 cylinder, exhaust valves of 12, 5, 8, 3, 10 cylinder, 7, 2,/kloc-0 cylinder.

2. Then rotate the crankshaft 360 degrees to make the piston of cylinder 6 reach the top dead center, and adjust the intake and exhaust valves of cylinders 6, 7, 2, 1 1 cylinder, 1 cylinder, 12, 5, 8, 3 and 9.

Valve clearance adjustment of V 16 engine;

Press1-2-5-6-3-4-9-10-16-1-12-6544. The order is as follows:

1. Adjust the first cylinder to the top dead center, adjust the intake valve and exhaust valve of 1 cylinder, and adjust the exhaust valves of cylinders 2, 5, 6, 3, 4, 9 and 10, while cylinder 15 remains stationary. 16 and 6544.

2. After the crankshaft rotates 360 degrees, make the piston of cylinder 15 reach the top dead center, and adjust cylinder 6, cylinder1cylinder, cylinder1cylinder, cylinder 12, cylinder 13 and cylinder/kloc-0.

Above, I hope to help you!