Engine Intake System (Induction) (Except Wrx): Diagnosis Subaru XV GP

INSPECTION

1. Check that the air cleaner element has no deformation, cracks or other damages.
2. Check the air cleaner element for excessive dirt.
3. Replace the air cleaner case (rear) if the HC absorption filter is damaged.

Scheme 427

1. Disconnect the ground cable from battery.
2. Remove the air intake duct. < Refer to «REMOVAL»(ref-560358-S09391633272013061300000) , Air Intake Duct. >
3. Disconnect the connector (A) from the mass air flow and intake air temperature sensor, and remove the clip (B).
4. Loosen the clamp (A) which connects the air cleaner case (rear) and air intake boot, and then remove the clip (B) from the air cleaner case (front).
5. Remove the air cleaner case (rear) and air cleaner element.
6. Remove the bolt (A) and nut (B) which secure the air cleaner case (front) to the body.
7. Remove the air cleaner case (front).

1. Check that the air cleaner case has no deformation, cracks or other damages.
2. Check that the air intake boot has no cracks, damage or loose part.

Scheme 428

1. Remove the clip (A) from the air intake boot.
2. Loosen the clamp (B) connecting the air intake boot and air cleaner case (rear).
3. Loosen the clamp (C) which connects the air intake boot and throttle body.
4. Disconnect the PCV hose and remove the air intake boot.

1. Check that the air intake boot has no deformation, cracks or other damages.
2. Inspect that no foreign objects are mixed in the air intake boot.

Scheme 429

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

1. Check that the air intake duct has no deformation, cracks or other damages.
2. Inspect that no foreign objects are mixed in the air intake duct.