LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2004 >> Baja Base, Automatic >> Repair and Diagnosis >> Steering >> Power Steering >> Power Assisted System (Power Steering) >> Oil Pump >> Disassembly

Oil Pump: Disassembly

NOTE: Oil pump for TURBO model and 3.0 L model cannot be disassembled. If the oil pump is malfunctioning, replace the oil pump as an assembly.
  1. Using ST, place oil pump in a vise and remove four bolts which secure rear cover.

    ST 34199AE020 ATTACHMENT

    Fig 1: Removing Bolts Using SST
    G00868115Courtesy of SUBARU OF AMERICA, INC.
  2. Remove pressure plate.
    Fig 2: Removing Pressure Plate
    G00868116Courtesy of SUBARU OF AMERICA, INC.
  3. Using a screwdriver, pry retaining ring off.
    CAUTION: Do not remove cam ring, rotor, etc. 
    Fig 3: Removing Cam Ring Using Screwdriver
    G00868117Courtesy of SUBARU OF AMERICA, INC.
  4. Install pressure plate.
  5. Temporarily install rear cover to front casing.
  6. Remove oil pump pulley.
    Fig 4: Removing Oil Pump Pulley
    G00868118Courtesy of SUBARU OF AMERICA, INC.
  7. Place oil pump in a vise.
    CAUTION: Do not place oil pump directly in the vise, use soft pads and hold oil pump lightly to protect the pump. 
  8. Pry oil seal off using a screwdriver.
    CAUTION: Be careful not to scratch inner surface of casing. 
    Fig 5: Prying Oil Seal Using Screwdriver
    G00868119Courtesy of SUBARU OF AMERICA, INC.