Wear of Hydraulic Valve Lash Adjuster

Wear Of Hydraulic Valve Lash Adjuster





Check adjuster for pitting, scratches, or damage. If any malcondition is found, replace.

Measure cylinder head bore and adjuster outside diameter to determine cylinder head-to-adjuster clearance. If clearance exceeds limit, replace adjuster or cylinder head.

Cylinder head bore and adjuster outside diameter





Hydraulic valve lash adjuster
Standard 30.959 - 30.975 mm (1.2189 - 1.2194 inch)
Cylinder head bore
Standard 31.000 - 31.025 mm (1.2205 - 1.2214 inch)
Cylinder head to adjuster clearance
Standard 0.025 - 0.066 mm (0.0010 - 0.0025 inch)
Limit 0.15 mm (0.0059 inch)

Oil Relief Valve