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Home › Subaru › 2023 › WRX Base, Automatic CVT Trans › Repair and Diagnosis › Engine Mechanical › Mechanical › Engine Mechanical System › Vacuum Pump › Removal

Vacuum Pump: Removal

NOTE:
  • The vacuum pump is installed on the MT model only.
  • When replacing a single part, perform the work with the engine assembly installed to body.
  1. When working on the vehicle
    NOTE: When working on the vehicle, perform the following steps also.
    1. Remove the intercooler. Ref. to INTAKE (INDUCTION) (H4DOTC)>INTERCOOLER>REMOVAL .
    2. Remove the bolts securing the vacuum pipe COMPL to the engine rear hanger.
    3. Disconnect the brake booster vacuum hose (A) from the vacuum pump, and place it aside so that it does not interfere with the work.
    NOTE: When connecting the brake booster vacuum hose, align the alignment marks (a) on the brake booster vacuum hose and the vacuum pump.
    G13862471Courtesy of SUBARU OF AMERICA, INC.
    G14610630Courtesy of SUBARU OF AMERICA, INC.
  2. Remove the union bolts securing the oil pipe (vacuum pump).
    G14610631Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the vacuum pump.
    NOTE: The vacuum pump cannot be disassembled.
    G14610632Courtesy of SUBARU OF AMERICA, INC.
  4. Remove liquid gasket from the vacuum pump mounting surface of the engine, and the surface of the vacuum pump.
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