Legacy Wagon 4WD F4-2.5L DOHC (1996)
Lifter / Lash Adjuster: Testing and Inspection
2. Engine Noise
Valve lash adjusters may make clicking noise once engine starts. It is normal if clicking noise ceases after a few minutes.
If clicking noise continues for more than a few minutes, inspect Hydraulic Lash Adjuster (HLA) in accordance with the following flow chart.