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
VDC Control Module and Hydraulic Control Unit (VDCCM&H/U): Removal
CAUTION:
- Avoid unnecessary removal of parts in order to prevent fluid leakage.
- When the VDC CM&H/U components are removed, be sure to perform the installation according to the installation procedures. Refer to VEHICLE DYNAMICS CONTROL (VDC)>VDC Control Module and Hydraulic Control Unit (VDCCM&H/U)>INSTALLATION .
- Disconnect the ground terminal from battery sensor. Refer to REPAIR CONTENTS>NOTE>BATTERY .
- Remove the air intake boot.NOTE: With the PCV hose connected, remove the air intake boot from the air cleaner case (rear) and throttle body. (H4DO model)
- H4DO model: Refer to INTAKE (INDUCTION) (H4DO)>Air Intake Boot>REMOVAL .
- H4DOTC model: Refer to INTAKE (INDUCTION) (H4DOTC)>Air Intake Boot>REMOVAL .
- Remove the hydraulic unit assembly VDC.CAUTION:
- Do not pull on the harness when disconnecting the connector.
- Wrap the brake pipe with a vinyl bag so as not to spill the brake fluid on the painted surface of the vehicle body.
- If brake fluid is spilled on the painted surface of the vehicle body, wash it off immediately with water and wipe clean.
- Remove dirt from around the hydraulic unit assembly VDC.
- Pull up the lock lever (b) while pressing the lock button (a) to disconnect the hydraulic unit assembly VDC connector.
- Separate pipe assembly front ABS using a flare nut wrench.
Preparation tool:
Flare nut wrench
- Remove the bolts and nuts, and then remove the following parts.
- Bracket COMPL hydraulic unit VDC
- Bracket hydraulic unit adapter
- Hydraulic unit assembly VDC
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.