2018 Subaru Crosstrek Base, Automatic CVT TransFACTORY OEM SERVICE PROCEDURE

Engine Coolant Temperature Sensor: Installation

  1. Set a new gasket, install the engine coolant temperature sensor using the ST.
    NOTE: STRUT MOUNT SOCKET (20099PA000) can also be used.

    Preparation tool:Β 

    ST: STRUT MOUNT SOCKET (20399AG000)Β 

    Tightening torque:Β 

    16 N.m (1.6kgf-m, 11.8ft-lb)Β 

  2. Connect the connector to engine coolant temperature sensor.
  3. Install the air intake boot. Ref. to INTAKE (INDUCTION) (H4DO)>Air Intake Boot>INSTALLATION .
  4. Connect the battery ground terminal. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  5. Fill engine coolant. Ref. to COOLING (H4DO)>Engine Coolant>REPLACEMENT>FILLING OF ENGINE COOLANT .
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.

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