Variable Valve Timing Actuator Removal/Installation [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 because it is a precision unit.

NOTE:

Intake camshaft sprocket is integrated with the variable valve timing actuator and cannot be disassembled.

Follow the valve clearance adjustment procedure from 1 to 12 and remove the intake camshaft and variable valve timing actuator as a single unit.
(See VALVE CLEARANCE ADJUSTMENT .)
Remove the variable valve timing actuator.
1. Mark the camshaft and variable valve timing actuator as shown in the figure to make sure they are installed in their original position.
2. Secure the camshaft in a vise.
3. Loosen the variable valve timing actuator tightening bolt.
Install the variable valve timing actuator.
1. Secure the camshaft in a vise.
2. Align the marks of the camshaft and variable valve timing actuator.
  CAUTION:
  - When the variable valve timing actuator is replaced with a new one, mark it in the same location as the old one.
3. Tighten variable valve timing actuator tightening bolt.
  Tightening Torque
  
  69-75N.m {7.1-7.6 kgf.m, 50.9-55.3 ft.lbf}
Follow the valve clearance adjustment procedure from 16 to 33 and install the intake camshaft and variable valve timing actuator. (See VALVE CLEARANCE ADJUSTMENT .)

Fig 1: Locating Marks On Camshaft & Variable Valve Timing Actuator
Courtesy of MAZDA MOTORS CORP.