Lifter / Lash Adjuster: Testing and Inspection

TAPPET INSPECTION





1. Measure the tappet hole inner diameter in X and Y directions at the two points (A and B) shown in the figure.

Standard tappet bore diameter
31.000-31.030 mm (1.2205-1.2216 in)





2. Measure the tappet body outer diameter in X and Y directions at the two points (A and B) shown in the figure.

Standard tappet body outer diameter
30.970-30.980 mm (1.2193-1.2196 in)

3. Subtract the tappet body outer diameter from the tappet hole inner diameter.
^ If it exceeds the specification, replace the tappet or cylinder head.

Standard clearance between tappet and tappet bore
0.02-0.06 mm (0.001-0.002 in)

Maximum clearance between tappet and tappet bore
0.15 mm (0.0059 in)