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Engine Intake System - Intake (Induction) (H6DO - 3.6L DOHC): Diagnosis Subaru Outback BR

Mechanical 6 illustrations ~361 words

INSPECTION

  1. Check that the air cleaner element has no deformation, cracks or other damages.
  2. Check if the air cleaner element is extremely dirty.

Scheme 435

Scheme 435
Scheme 435

Scheme 436

Scheme 436
Scheme 436
  1. Disconnect the ground cable from battery.
  2. Disconnect the power steering oil pressure hose (suction hose) from the clip on the side of air cleaner case (rear).
  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.
  5. Remove the clip (B) securing the upper side of air cleaner case (rear).
  6. Remove the air intake duct. Ref. to «REMOVAL»(ref-371896-S20541353172010091900000) , Air Intake Duct.
  7. Remove the air cleaner case (rear) and air cleaner element.
  8. Remove the bolts (A) and nuts (B) which secure the air cleaner case (front) to the body.
  9. Remove the air cleaner case (front).
  1. Check that the air cleaner case has no deformation, cracks or other damages.
  2. Check the air intake boot assembly for cracks, damage or looseness.

Scheme 437

Scheme 437: REMOVAL
Scheme 437: REMOVAL

Scheme 438

Scheme 438
Scheme 438

Scheme 439

Scheme 439
Scheme 439
  1. Remove the collector cover. NOTE: Follow these procedures for removal of the collector cover. Lift up the rear side holding two positions (A). Lift up the front side holding two positions (B) while moving it in the forward direction of the vehicle.
  2. Loosen the clamp which connects the air intake boot assembly and air cleaner case (rear).
  3. Loosen the clamp (A) which connects the air intake boot assembly and throttle body.
  4. Loosen the bolt (B) which secures the air intake boot assembly and collector cover bracket.
  5. Disconnect the blow-by hose and remove the air intake boot assembly.
  1. Check that the air intake boot assembly does not have deformation, cracks or other damages.
  2. Check there is no foreign matter in the air intake boot assembly.

Scheme 440

Scheme 440: REMOVAL
Scheme 440: REMOVAL
  1. Remove the clip securing the air intake duct.
  2. Remove the air intake duct.
  1. Check that the air intake duct has no deformation, cracks or other damages.
  2. Check that no foreign matter is mixed in air intake duct.

Check that the resonator chamber has no deformation, cracks or other damages.

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