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Home >> Hyundai >> 2004 >> Sonata GLS >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> 2.7L 6-Cylinder Engine >> Engine & Transaxle Assembly >> Removal

Engine & Transaxle Assembly: Removal

  1. Remove the battery.
  2. Detach the air cleaner.
    Fig 1: Identifying Air Cleaner
    G00752268Courtesy of HYUNDAI MOTOR CO.
  3. Disconnect the engine harness connectors.
    1. Engine wiring connectors (alternator, starter, etc.)
    2. TPS connector
    3. Oil pressure gauge connector.
    4. Back up lamp switch connector.
    5. A/T solenoid, inhibitor switch connector.
    6. Coolant temperature sensor.
    7. Ignition coil, power TR connector.
    8. Idle speed control valve (ISC) connector.
    9. MAP and ATS connectors.
    10. Oxygen sensor connector.
    Fig 2: View Transmission Range Sensor
    G00752269Courtesy of HYUNDAI MOTOR CO.
    Fig 3: View Engine Coolant Temperature Sensor
    G00752270Courtesy of HYUNDAI MOTOR CO.
  4. Drain the engine coolant.
  5. For a vehicle with automatic transaxles, disconnect the transaxle oil cooler hoses.
    NOTE: When disconnecting hoses, make identification marks to avoid making any mistake when installing them again.
    CAUTION: Be careful not to spill any of oil or fluid out of the hoses. Plug the openings to prevent the entry of foreign material.
  6. Disconnect the radiator upper and lower hoses on the engine side then remove the radiator assembly.
    Fig 4: Removing Upper Radiator Hose
    G00752271Courtesy of HYUNDAI MOTOR CO.
  7. Disconnect the engine ground.
  8. Disconnect the brake booster vacuum hose.
    Fig 5: Identifying Brake Booster Vacuum Hose
    G00752272Courtesy of HYUNDAI MOTOR CO.
  9. Disconnect the heater hoses (inlet and outlet) on the engine side.
  10. Disconnect the accelerator cable at the engine side.
    Fig 6: Identifying Accelerator Cable
    G00752273Courtesy of HYUNDAI MOTOR CO.
  11. Using a special tool, remove the main fuel line at the delivery pipe (supply/return).
  12. Disconnect the speedometer cable from the transaxle.
  13. Disconnect the clutch cable or control cable from the transaxle.
    Fig 7: Identifying Clutch Cable Or Control Cable
    G00752274Courtesy of HYUNDAI MOTOR CO.
  14. Disconnect the power steering suction hose and return hose from the pump.
    Fig 8: Identifying Power Steering Hoses
    G00752275Courtesy of HYUNDAI MOTOR CO.
  15. Detach the steering dust cover in the engine compartment and then disconnect the gear box universal joint bolt.
    NOTE: Make sure to make identification marks between the universal joint and the gear box for reassembly.
    Fig 9: Identifying Steering Column Through Floor Board Location
    G00752276Courtesy of HYUNDAI MOTOR CO.
  16. Raise the vehicle and then remove the front tire.
  17. Attaching the wheel speed sensor and caliper to the body, disconnect the lower arm and the fork, and then separate the upper arm and knuckle.
    Fig 10: Identifying Caliper Location After Removal
    G00752277Courtesy of HYUNDAI MOTOR CO.
  18. Remove the front muffler bolts.
  19. Remove the transaxle control rod and extension rod (M/T only).
    Fig 11: Identifying Transaxle Control Rod & Extension Rod
    G00752278Courtesy of HYUNDAI MOTOR CO.
  20. Put the special fixture on the T/M jack and then adjust it to the sub-frame.
    NOTE: Check that all the cables, harness connector and hose are disconnected from the engine and transaxle assembly.
    Fig 12: Identifying T/M Jack
    G00752279Courtesy of HYUNDAI MOTOR CO.
  21. Remove the engine mounting bracket and the transaxle mounting bracket.
    Fig 13: Identifying Engine Mount Bracket
    G00752280Courtesy of HYUNDAI MOTOR CO.
    Fig 14: Identifying Transaxle Mounting Bracket
    G00752281Courtesy of HYUNDAI MOTOR CO.
  22. Remove the sub-frame installation bolts.
    Fig 15: Identifying Sub-Frame Bolts
    G00752282Courtesy of HYUNDAI MOTOR CO.
  23. Using the special tool 09624 - 38100, remove the cross member stud bolt.
    Fig 16: Removing Cross Member Stud Bolt
    G00752283Courtesy of HYUNDAI MOTOR CO.

    With holding the stud bolt using a special tool in order not to loosen the stud bolt, remove the lock nut using a ring wrench.

  24. Lower the engine and transaxle assembly on the jack then, remove the front roll stopper and the rear roll stopper.
    Fig 17: Removing Engine
    G00752284Courtesy of HYUNDAI MOTOR CO.
  25. Remove the engine and transaxle assembly as a unit.