Waste Gate Actuator

WARNING: This page is about a different variant/trim than selected.

Remove the intercooler. <Ref. to REMOVAL , Intercooler.>
Remove the turbocharger upper cover.

Fig 1: Removing Turbocharger Upper Cover
Courtesy of SUBARU OF AMERICA, INC.
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).

Fig 2: Identifying Waste Gate Actuator, Control Rod Stroke And Boost Hose
Courtesy of SUBARU OF AMERICA, INC.
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/cm ² , 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)