Engine Intake System - Intake (Induction) (Sti): Removal & Installation Subaru Impreza GH

INSTALLATION

Install in the reverse order of removal.

Note. Check that there are no foreign objects in the air cleaner case.

REMOVAL

Remove the clip which secures the air intake duct, and remove the air intake duct.

Scheme 56

Install in the reverse order of removal.

Install in the reverse order of removal.

Tightening torque: 19 N.m (1.9 kgf-m, 14.0 ft-lb)

Scheme 57

Scheme 58

Scheme 59

Scheme 60

Scheme 61

Scheme 62

1. Disconnect the PCV hose from the PCV pipe.
2. Remove the clip (A) which holds the air by-pass hose on the air by-pass valve and disconnect vacuum hose (B) from the air by-pass valve.
3. Loosen the clamp (C) holding the intake duct to the turbocharger.
4. Loosen the clamp (D) holding the air duct hose to the intercooler.
5. Remove the bolts which secure the intercooler to the intercooler stay, and remove the intercooler.
6. Remove the intercooler stay.

Install in the reverse order of removal.

Tightening torque: 16 N.m (1.6 kgf-m, 11.8 ft-lb)

Tightening torque: 3 N.m (0.3 kgf-m, 2.2 ft-lb)

Scheme 63

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Scheme 65

Scheme 66

1. Remove the intercooler duct from the intercooler.
2. Remove the air by-pass valve and PCV pipe from the intercooler.
3. Remove the intake duct from intercooler duct.

Scheme 67

1. Install the intake duct to the intercooler duct. Tightening torque: 3 N.m (0.3 kgf-m, 2.2 ft-lb)
2. Install the air by-pass valve and the PCV pipe to the intercooler. NOTE: Use a new gasket. Tightening torque: T1: 5.5 N.m (0.6 kgf-m, 4.1 ft-lb) T2: 16 N.m (1.6 kgf-m, 11.8 ft-lb)
3. Install the intercooler duct to the intercooler. NOTE: Use a new gasket. Tightening torque: 16 N.m (1.6 kgf-m, 11.8 ft-lb)

Install in the reverse order of removal.

Note. Use a new gasket.

Tightening torque: 16 N.m (1.6 kgf-m, 11.8 ft-lb)

Scheme 68

The resonator chamber and air cleaner case are integrated into one unit; therefore, refer to Air Cleaner Case for the removal procedure. REMOVAL, Air Cleaner Case.

The resonator chamber and air cleaner case are integrated into one unit; therefore, refer to Air Cleaner Case for installation procedure. INSTALLATION, Air Cleaner Case.