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Variable Valve Timing Actuator Removal/Installation

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • The variable valve timing actuator cannot be disassembled because it is a precision unit.
NOTE:
  • The camshaft sprocket is integrated with the variable valve timing actuator and cannot be disassembled.
  1. Remove the camshaft component. (See HYDRAULIC LASH ADJUSTER (HLA) REMOVAL/INSTALLATION .)
  2. Secure the camshaft sprocket in a vise using the SST  .
  3. Loosen the variable valve timing actuator tightening bolt.
  4. Remove the variable valve timing actuator.
  5. Install the variable valve timing actuator using a new tightening bolt.
    Fig 1: Installing Variable Valve Timing Actuator
    G03643786Courtesy of MAZDA MOTORS CORP.
  6. Secure the camshaft sprocket in a vise using the SST  .
  7. Tighten the variable valve timing actuator tightening bolt in two steps.
    1. Tighten to 40 N.m {4.1 kgf.m, 29.5 ft.lbf}. 
    2. Tighten 90°. 
      Fig 2: Tightening Variable Valve Timing Actuator Bolt
      G03643787Courtesy of MAZDA MOTORS CORP.
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