HLA Inspection

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

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
Remove the ignition coil/ion sensors. (See IGNITION COIL/ION SENSOR REMOVAL/INSTALLATION .)
Remove the cylinder head cover. (See TIMING CHAIN REMOVAL/INSTALLATION .)
Press the rocker arm from above and verify that the HLA does not drop.

Courtesy of MAZDA MOTORS CORP.
- If the HLA drops, replace the HLA. (See HYDRAULIC LASH ADJUSTER (HLA) REMOVAL/INSTALLATION .)
Install in the reverse order of removal.