Waste Gate Actuator

Remove the intercooler. Refer to INTAKE (INDUCTION) (STI)>INTERCOOLER>REMOVAL .
Remove the turbocharger upper cover.

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Remove the boost hose (B) from the waste gate actuator (A) of the turbocharger, and connect the Mighty Vac to the waste gate actuator (A).

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Pressurize slowly with the Mighty Vac, and measure the pressure when the control rod stroke (D) becomes 2 mm (0.08 in). If it is not within the standard, replace the turbocharger assembly.
CAUTION: Do not pressurize over 89.9 kPa (0.92 kg/cm² , 13.0 psi) to prevent damaging the waste gate actuator.

Operating pressure (control rod stroke 2 mm (0.08 in)):

Standard

74.7 - 80.8 kPa (0.76 - 0.82 kg/cm² , 10.8 - 11.7 psi)
After inspection, install the related parts in the reverse order of removal.
Tightening torque:

7.5 N.m (0.8 kgf-m, 5.5 ft-lb)