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.
2021 Subaru Crosstrek Base, Automatic CVT TransFACTORY OEM SERVICE PROCEDURE
Engine Wiring Harness: Removal
- Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>REPAIR CONTENTS>NOTE>BATTERY .
- Remove the clip from the air intake boot, and loosen the clamp.
- Remove the air intake boot, and place it aside so that it does not interfere with the work.CAUTION: Be careful not to pull out the PCV hose.
- Remove the intake manifold assembly. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO (EXCEPT FOR HEV))>INTAKE MANIFOLD ASSEMBLY>REMOVALΒ .
- Remove the fuel insulator. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO (EXCEPT FOR HEV))>FUEL INSULATOR>REMOVALΒ .
- Disconnect each connector to remove the engine wiring harness. Ref. to Fuel Injection Disconnect each connector to remove the engine wiring harness. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO (EXCEPT FOR HEV))>GENERAL DESCRIPTION>COMPONENT>ENGINE WIRING HARNESSΒ .NOTE:
- For 2.0 L fixed displacement compressor CVT model and MT model, disconnect the fuel injector #2 connector at the coupling harness side, and then remove the tape (a).
- For removal of the coupling harness of 2.0 L fixed displacement compressor CVT model and MT model, refer to "Fuel Injector". Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO (EXCEPT FOR HEV))>FUEL INJECTOR>REMOVAL>FUEL INJECTOR LHΒ .
- For 2.0 L fixed displacement compressor CVT model and MT model, disconnect the fuel injector #2 connector at the coupling harness side, and then remove the tape (a).
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
