2019 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE

Fuel Insulator: Installation

CAUTION:
  • If substantial amount of fuel or parts cleaner come into contact with the fuel insulator, replace it with a new one.
  • If only small amount of fuel comes into contact with the fuel insulator, wait for the fuel evaporate before installing it.
  1. Install the fuel pipe insulator No. 1 (B), and connect the connector (A) to the fuel injector #3.
  2. Install the fuel pipe insulator No. 5 (D), and connect the connector (C) to the fuel injector #4.
    G13198213Courtesy of SUBARU OF AMERICA, INC.
  3. Install the fuel pipe insulator No. 2 (A) and fuel pipe insulator No. 4 (B).
    G13198214Courtesy of SUBARU OF AMERICA, INC.
  4. Secure the engine wiring harness with the bolts.

    Tightening torque:Β 

    6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

    G13198215Courtesy of SUBARU OF AMERICA, INC.
  5. Install the fuel pump insulator (A) and fuel pipe insulator No. 3 (B).
    G13198216Courtesy of SUBARU OF AMERICA, INC.
  6. Install the intake manifold assembly. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>INTAKE MANIFOLD ASSEMBLY>INSTALLATIONΒ .
  7. 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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