LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2001 >> MPV DX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Variable Valve Timing System >> Variable Valve Timing Actuator >> Stopper Pin
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Stopper Pin

  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.
scientia non olet · About LEMON Manuals