Hydraulic Lash Adjuster

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

Item

Specification

Diameter -- intake

0.472 in (12 mm)

Diameter -- exhaust

0.472 in (12 mm)

Clearance-to-bore

0.0004 -0.0020 in (.01 -.051 mm)

Hydraulic leakdown rate -- intake

0.45-3 seconds ⁽¹⁾

Hydraulic leakdown rate -- exhaust

0.45-3 seconds ⁽¹⁾

Collapsed lash adjuster gap

0.0138 -0.0335 in (.35 -.85 mm)

⁽¹⁾	Time required for the plunger to leak down 1.6 mm of travel with 222 N force and leakdown fluid in the lash adjuster.