HLA Removal/Installation - 3.0L: Notes

WARNING: This page is about a different car, the 2005 Mazda B3000. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For a valve train noise concern, inspect the valve-to-rocker arm clearance and rocker arms and push rods for wear. See OVERHAUL - 3.0L .

Disconnect the negative battery cable.
Drain the engine cooling system. See ENGINE COOLANT REPLACEMENT - 3.0L .
Remove the lower intake manifold. See INTAKE MANIFOLD LOWER REMOVAL/INSTALLATION - 3.0L .
Remove the rocker arms and the push rods.

Fig 1: Removing Rocker Arms And Push Rods - With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Remove the tappet guide plate retainer.

Fig 2: Removing Tappet Guide Plate Retainer
Courtesy of MAZDA MOTORS CORP.
Remove the valve tappet guide plates.

Fig 3: Removing Valve Tappet Guide Plates
Courtesy of MAZDA MOTORS CORP.
Remove the valve tappets.

Fig 4: Removing Valve Tappets
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.
Tightening torque 12 N.m {9 lb-ft}