How to Adjust Valve Clearance in a Car?

[JoshuaLee]

Valve clearance adjustment: The cylinder-by-cylinder adjustment method involves turning the crankshaft twice to complete the valve clearance adjustment. Detailed instructions for valve clearance adjustment are as follows: 1. Three-cylinder engine: When cylinder 1 is at the compression top dead center, the semi-circular key of the camshaft should be in the upward position. 2. Four-cylinder engine: (1) 1--3--4--2, 4--2--1--3, double-exhaust no-intake double-exhaust no-intake. (2) 1--2--4--3, 4--3--1--2, double-exhaust no-intake double-exhaust no-intake. 3. Five-cylinder engine: (1) 1--2--4--5--3, double-exhaust no-intake. (2) 4--5--3--1--2, double-double-exhaust no-intake.