Variable Valve Timing Actuator Inspection [L3]
WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
- Variable valve timing actuator can not be disassembled it is a precision unit.
- Disconnect the negative battery cable.
- Remove the following parts:
- Plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
- Ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION .)
- Oil control valve connector.
- Ventilation hose.
- Cylinder head cover.
- Confirm that notch of the rotor and bump of the cover at the variable valve timing actuator are aligned and fitted.
- If the notch and the bump are not aligned, turn the crankshaft clockwise two rotations. Verify that the bump and the notch are aligned.
- If the bump and notch are still not aligned, replace the variable valve timing actuator.
- If, when turning the crankshaft, there is a hitting noise from the variable valve timing actuator each time the cam passes the fully lifted position, it means that the actuator is not secured. Replace the actuator.
- Install the following parts:
- Cylinder head cover. (See CYLINDER HEAD COVER INSTALLATION NOTE .)
- Ventilation hose.
- Oil control valve connector.
- Ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION .)
- Plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)