How to adjust the valve of Changan automobile, in what order, and from the intake and exhaust, let a friend who knows explain it.
But no matter in-line or V engine, adjusting the valve sequence only follows one principle: double exhaust does not enter, double-that is, two are adjusted together; Exhaust-adjust the exhaust valve; No-The intake valve and exhaust valve of this cylinder are not adjusted; Intake-intake valve adjustment. For example:
Adjustment of valve clearance of four-cylinder engine;
Adjust the valve clearance according to the ignition sequence of 1-3-4-2. 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, the exhaust valve of cylinder 3, and the intake valves of cylinders 4 and 2.
2. Then rotate the crankshaft 360 degrees, make the piston of cylinder 4 reach the top dead center, and adjust the intake and exhaust valves of cylinder 4, cylinder 2, 1 cylinder and cylinder 3.
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.
The above hope can help you!