Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2020 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE
Intake Manifold Assembly: Removal
WARNING: This page is about a different variant/trim than selected.
- Release the fuel pressure. Refer to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Fuel>PROCEDURE>RELEASING OF FUEL PRESSUREĀ .
- Open the fuel filler lid and remove the fuel filler cap.NOTE: This operation is required to release the inner pressure of the fuel tank.
- Disconnect the ground terminal from battery sensor. Refer to REPAIR CONTENTS>NOTE>BATTERY .
- Remove the intercooler. Refer to INTAKE (INDUCTION) (H4DOTC)>Intercooler>REMOVAL .
- Remove the intake duct No. 2. Refer to INTAKE (INDUCTION) (H4DOTC)>Intake Duct>REMOVAL>INTAKE DUCT NO. 2 .
- When the engine coolant remains before removing the intake manifold assembly
- Disconnect the connector (A).
- Remove the bolts securing the throttle body and throttle body stay, and move the throttle body aside so that it does not interfere with the work.
- When the engine coolant has been drained before removing the intake manifold assembly
- Disconnect the connector (A) and remove the clip (B).
- Disconnect the connector (C) and remove the clip (D).
- Remove the PCV pipe from the intake manifold assembly.
- Disconnect the vacuum hose from the check valve.
- Release the lock by sliding the spring, and disconnect the PCV pipe assembly from the intake duct No. 1.
- Remove the connector (A) and connector (B).
- Disconnect the fuel delivery tube (C). Refer to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Fuel Delivery and Evaporation Lines>REMOVAL>QUICK CONNECTOR DISCONNECTION (TYPE A)Ā .
- Remove the fuel delivery tube clamp (D).
- Disconnect the purge hose (E).
- Remove the V-belt covers.
- Disconnect the connector (A), connector (B), connector (C) and terminal (D), and remove the clip (E) and clip (F).
- Remove the V-belt cover bracket and remove the connector (A).
- Remove the clip (A) securing battery cable assembly and release the claw (B).
- Remove the connector (A) and connector (B) in numerical order shown in figure.
- Disconnect the connector (C), and remove the engine wiring harness from the clip (D).
- Release the claw securing the engine wiring harness to the bracket, and place it aside so that it does not interfere with work.
- Remove the V-belts. Refer to MECHANICAL (H4DOTC)>V-belt>REMOVAL>V-BELT .
- Remove the fuel pipe protector No. 1.
- Loosen the bolt (A) that secure the A/C compressor.
- Remove the fuel pipe protector No. 2.
- Disconnect the connector (A).
- Disconnect the fuel delivery pipe (B). Refer to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Fuel Delivery and Evaporation Lines>REMOVAL>QUICK CONNECTOR DISCONNECTION (TYPE B)Ā .
- Remove the clip (C) and clip (D).
- Disconnect the connector (A).
- Remove the harness stay.
- Remove the harness (B) and clip (C) from the harness stay.
- Remove the connector (D) and clip (E).
- Remove the PCV hose. Refer to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DOTC)>PCV Hose>REMOVAL .
- Remove the nuts securing the EGR pipe No. 2.
- Remove stud bolt using TORXĀ®
socket E5.
- Remove the intake manifold assembly.
- Remove the fuel pipe protector stay.NOTE: Perform this procedure only when required.
- Remove the cylinder head plate from cylinder head.NOTE: Perform this procedure only when required.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- ⢠You smell fuel, burning insulation, or see smoke.
- ⢠Brakes feel soft, pull hard to one side, or make grinding noises.
- ⢠The engine overheats, stalls repeatedly, or misfires under load.
- ⢠You are missing required tools, torque specs, or safe lifting equipment.
- ⢠You are not confident in the next step or safety outcome.
