Intake (Induction) (H4SO): Diagnosis Subaru Forester SG рестайлинг

INSPECTION

Replace if excessively damaged or dirty.

Scheme 32

Scheme 33

Scheme 34

1. Disconnect the ground cable from battery. (Scheme 32): Disconnecting Battery Ground Cable
2. Loosen the clamps (A) which connect the air cleaner case and the intake duct.
3. Remove the clips (B) from air cleaner case.
4. Disconnect the connector (C) from mass air flow and intake air temperature sensor. (Scheme 33): Identifying Mass Air Flow And Intake Air Temperature Sensor Connector
5. Remove the intake duct and upper cover from air cleaner case.
6. Remove the air cleaner element.
7. Remove the bolts which install air cleaner case to vehicle body. (Scheme 34): Locating Air Cleaner Case Bolts
8. Remove the air cleaner case.

Check for cracks or loose connection.

Scheme 35

1. Loosen the clamp (A) which connects air intake chamber to throttle body.
2. Loosen the clamp (B) which connects the duct to air intake chamber.
3. Remove the bolt (C) which secures air intake chamber to the stay.
4. Disconnect the connector (D). (Scheme 35): Identifying Air Intake Chamber Clamp, Duct Clamp And Connector
5. Disconnect the blow-by hoses, and then remove air intake chamber.

1. Check for cracks or loose connection.
2. Inspect that no foreign objects are mixed in the air intake chamber.

Scheme 36

1. Remove the bolts which install the air intake duct on the front side of body.
2. Remove the air intake duct. (Scheme 36): Locating Air Intake Duct Bolt

1. Check for cracks or loose connection.
2. Inspect that no foreign objects in the air intake duct.

Scheme 37

Scheme 38

1. Set the vehicle on a lift.
2. Remove the air intake duct.
3. Remove the air cleaner lower case. REMOVAL AIR CLEANER CASE. >
4. Remove the resonator chamber attaching bolts on the right side of the engine room. (Scheme 37): Locating Resonator Chamber Attaching Bolt
5. Remove the front wheel RH, and lift the vehicle.
6. Remove the front mudguard RH.
7. Remove the resonator chamber from the inside front fender. (Scheme 38): Locating Resonator Chamber Attaching Bolt

Check for cracks or loose connection. Check that no foreign objects are mixed in the resonator.