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.
2018 Subaru Crosstrek Base, Automatic CVT TransFACTORY OEM SERVICE PROCEDURE
Throttle Body: Removal
- Disconnect the ground cable from battery. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
- Drain approximately 3.0 L (3.2 US qt, 2.6 Imp qt) of engine coolant. Ref. to COOLING (H4DO)>Engine Coolant>REPLACEMENT>DRAINING OF ENGINE COOLANT .
- 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.
- Disconnect the connectors (A) from the throttle position sensor.
- Disconnect the preheater hose (B) from the throttle body.
- Remove the throttle body from the intake manifold assembly.
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.
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