2019 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE

Primary Speed Sensor: Installation

CAUTION: If water or oil contacts the connector terminal of primary speed sensor, replace it with a new part.
  1. Install the primary speed sensor using a new O-ring.
    CAUTION:
    • Before installing O-rings, apply sufficient amount of CVTF to avoid damage and deformation.
    • Use SUBARU genuine CVTF.
    • Be careful not to incorrectly install or fail to install O-rings and other such parts.

    Tightening torque:Β 

    5 N.m (0.5 kgf-m, 3.7 ft-lb)

  2. Connect the primary pressure sensor harness connector.
  3. Install the intercooler. Ref. to INTAKE (INDUCTION) (H4DOTC)>INTERCOOLER>INSTALLATION .
  4. Connect the battery ground terminal. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
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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