Valve Lifter

WARNING: This page is about a different variant/trim than selected.

Perform visual check on the valve lifter.
Measure the valve lifter outer diameter.
Outer diameter of valve lifter:

32.959 - 32.975 mm (1.2976 - 1.2982 in)

Fig 1: Checking Outer Diameter Of Valve Lifter
Courtesy of SUBARU OF AMERICA, INC.
Measure the inner diameter of valve lifter hole of cylinder head.
Inner diameter of valve lifter mating surface:

32.994 - 33.016 mm (1.2990 - 1.2998 in)

Fig 2: Measuring Inner Diameter Of Valve Lifter Hole Of Cylinder Head
Courtesy of SUBARU OF AMERICA, INC.
Check the clearance between valve lifter and valve lifter mating surface. The clearance can be determined from the measured value of the valve lifter outer diameter and valve lifter mating surface inner diameter. If it is not within the standard or there is uneven wear in the inner surface, replace the cylinder head.
Clearance between valve lifter and valve lifter mating surface:

Standard

0.019 - 0.057 mm (0.0007 - 0.0022 in)