System/Component Tests - 4-CYL: 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 and 0-8.5 psi (0.49-0.60 kg/cm² ) on 323. Verify actuator rod moves when connecting and disconnecting hose supplying compressed air.

Fig 1: Testing Wastegate Actuator

Courtesy of MAZDA MOTORS CORP.

CAUTION: Do not apply compressed air over 14 psi (1.0 kg/cm² ).