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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1 (ENGINE CONTROLS - SYSTEM & COMPONENT TESTING)VARIABLE VALVE TIMING SYSTEMVARIABLE VALVE TIMING ACTUATORSTOPPER PIN
2010 Mazda 5 Sport, 2.3 L, Standard

Stopper Pin

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Stopper Pin
WARNING: This page is about a different car, the 2001 Mazda Protege, 2001 Mazda Millenia, 2001 Mazda MX-5 Miata, 2001 Mazda MPV, and 2001 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable.
  2. Remove the timing belt. See TIMING BELT under REMOVAL & INSTALLATION in appropriate ENGINES article.
  3. Hold hexagonal part of the intake camshaft with an adjustable wrench to prevent camshaft from rotating. See Fig 1 . Attempt to rotate Variable Valve Timing (VVT) actuator by hand and ensure it does not move. If VVT actuator moves, stopper pin in VVT actuator is not operating. Replace VVT actuator.
    Fig 1: Checking Movement Of Variable Valve Timing Actuator
    G00143772Courtesy of MAZDA MOTORS CORP.
  4. Install timing belt. See TIMING BELT under REMOVAL & INSTALLATION in appropriate ENGINES article.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.