2022 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE

Fuel Insulator: Removal

  1. Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  2. Remove the intake manifold assembly. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Intake Manifold Assembly>REMOVAL .
  3. Remove the bracket air conditioner.
    NOTE: This procedure is required to remove the fuel pump insulator.
    1. Remove the bolt securing the A/C compressor.
      G13619575Courtesy of SUBARU OF AMERICA, INC.
    2. While lifting the A/C compressor, remove the bracket air conditioner.
      CAUTION: Do not bend the pipe portion of the hose pressure discharge and the hose pressure suction.
      G13619576Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the fuel pump insulator (A) and fuel pipe insulator No. 3 (B).
    G13619577Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the bolts securing the engine wiring harness.
    G13619578Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the fuel pipe insulator No. 2 (A) and fuel pipe insulator No. 4 (B).
    G13619579Courtesy of SUBARU OF AMERICA, INC.
  7. Disconnect the connector (A) from fuel injector #3, and remove the fuel pipe insulator No. 1 (B).
  8. Disconnect the connector (C) from fuel injector #4, and remove the fuel pipe insulator No. 5 (D).
    G13198212Courtesy of SUBARU OF AMERICA, INC.
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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