Variable Valve Timing Actuator Removal/Installation

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

CAUTION:

The variable valve timing actuator cannot 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 20 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.
  NOTE:
  - Do not add scratch marks to the camshaft thrust area.
2. Secure the camshaft in a vise.
3. Loosen the variable valve timing actuator tightening bolt.
Install a new washer.

Fig 1: Identifying Valve Timing Actuator Mark
Courtesy of MAZDA MOTORS CORP.
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 the variable valve timing actuator tightening bolt.
  
  Fig 2: Tightening Valve Timing Actuator Bolt
  Courtesy of MAZDA MOTORS CORP.
Tightening torque

69-75 N.m {7.1-7.6 kgf.m, 50.9-55.3 ft.lbf}
Follow the valve clearance adjustment procedure from 24 to 48 and install the intake camshaft and variable valve timing actuator. (See VALVE CLEARANCE ADJUSTMENT ).