Subaru Legacy 2004 Service Manual page 282

Hide thumbs Also See for Legacy 2004:

Table of Contents

E: INSPECTION

1. VALVE ROCKER ARM AND ROCKER

1) Measure the inner diameter of valve rocker arm

and outer diameter of valve rocker shaft, and deter-

mine the difference (oil clearance) between the two

Clearance between arm and shaft:

0.020 — 0.054 mm (0.0008 — 0.0021 in)

2) If the oil clearance exceeds the standard value,

replace the valve rocker arm or shaft, whichever

shows greater amount of wear.

Rocker arm inside diameter:

22.020 — 22.041 mm (0.8669 — 0.8678 in)

Rocker shaft diameter:

21.987 — 22.000 mm (0.8656 — 0.8661 in)

3) If the cam or valve contact surface of valve rock-

er arm is worn or dented excessively, replace the

valve rocker arm.

4) Check that the valve rocker arm roller rotates

smoothly. If not, replace the valve rocker arm.

Valve Rocker Assembly

ME(H4SO 2.0)-52

Chapters

Table of Contents