How to adjust the valve clearance of automatic transmission

The adjustment method of valve clearance is: the formula is (double row can't get in). As soon as the intake valve of the four cylinders of the forward-rotating engine nods, the ignition sequence is 1342, one cylinder, two rows of three cylinders, four cylinders without two cylinders, the ignition sequence is 1243, and one cylinder, two rows of two cylinders, four cylinders without three cylinders. Six cylinders can also be adjusted in this way.