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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 494 (Engine Mechanical (Service Information)) >> Variable Valve Timing Actuator Inspection [BP] >> Extreme Spark Retard Position

Extreme Spark Retard Position

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable.
  2. Remove the variable valve timing actuator.
    CAUTION:
    • If engine oil gets on parts, they may not function properly. When removing the variable valve timing actuator, be sure to cover the other parts with a cloth to protect them from the oil.
  3. Verify that the camshaft dowel pin hole on the variable valve timing actuator is aligned with the top of the third tooth, by counting back 3 teeth to the sprocket gap which is aligned with the alignment mark.
    Fig 1: Identifying Camshaft Dowel Pin Hole Alignment Mark
    G03637662Courtesy of MAZDA MOTORS CORP.
    • If not as specified, the stopper pin in the variable valve timing actuator is not engaged at the position of maximum valve timing retard. Replace the variable valve timing actuator.
  4. Install the variable valve timing actuator.
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