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Home >> Mazda >> 2007 >> B3000 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Engine Controls - System & Component Testing) >> Variable Valve Timing System >> Variable Valve Timing Actuator >> Stopper Pin

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.
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