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Home >> Mazda >> 1990 >> 626 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Air Induction Systems >> Turbocharger WASTEGATE

Turbocharger WASTEGATE

  1. Engine must be cool. Remove exhaust manifold insulator and side insulator. Remove hose connected to actuator and connect compressed air source with pressure gauge. See Fig 1 .
  2. Apply compressed air to actuator. Apply 8.5 psi (0.6 kg/cm2 ) on MX-6 and 626. Verify actuator rod moves when connecting and disconnecting hose supplying compressed air.
CAUTION: DO NOT apply compressed air more than 14 psi (1.0 kg/cm2 ).
Fig 1: Testing Wastegate Actuator
G200156Courtesy of MAZDA MOTORS CORP.
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