GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Corvette 🢒 Engine 🢒 Engine Mechanical - 7.0L 🢒 Oil Tank Replacement

Removal Procedure
  1. Remove the hood stop bracket to oil tank bolt.

    2. Object Number: 1705608 Size: SH

    Important: Prior to the disconnecting the PCV tubes from the oil tank, mark the port locations to the proper tubes or they can be installed incorrectly.

  2. Disconnect the positive crankcase ventilation (PCV) fresh air tube from the front port on the oil tank.

    3. Object Number: 1705610 Size: SH
  3. Disconnect the PCV dirty air tube from the rear port on the oil tank.
  4. Remove the 2 oil tank middle bracket nuts.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  6. Drain the engine oil. Refer to Draining Fluids and Oil Filter Removal .
  7. Remove the right front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  8. Remove the right front wheelhouse rear liner. Refer to Front Wheelhouse Liner Replacement .

    9. Object Number: 1705611 Size: SH
  9. Disconnect the oil temperature sensor electrical connector.

    10. Object Number: 1705612 Size: SH

    Important: Anytime the oil tank inlet and outlet hoses are serviced, the oil seals must be replaced.

  10. Remove the inlet hose to oil tank bolt (3) and disconnect the hose (2) from the oil tank. Discard the oil seal (1).

    11. Object Number: 1705613 Size: SH
  11. Remove the outlet hose to oil tank bolt (3) and disconnect the hose (2) from the oil tank. Discard the oil seal (1).
  12. Remove the oil tank to frame bolts.
  13. Remove the oil tank from the bottom of the vehicle.

Installation Procedure
  1. Position the oil tank in place from the bottom of the vehicle.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the oil tank lower bracket bolts to frame bolts.

    3. Tighten
    Tighten the oil tank lower bracket to frame bolts to 36 N·m (27 lb ft).


    Object Number: 1705613 Size: SH
  3. Using g a new oil seal (1) install the oil tank outlet hose (2) and bolt (3) to the oil tank.

    4. Tighten
    Tighten the outlet hose to oil tank bolt to 22 N·m (16 lb ft).


    Object Number: 1705612 Size: SH
  4. Using a new oil seal (1) install the oil tank inlet hose (2) and bolt (3) to the oil tank.

    5. Tighten
    Tighten the inlet hose to oil tank bolt to 22 N·m (16 lb ft).


    Object Number: 1705611 Size: SH
  5. Connect the oil temperature sensor electrical connector.
  6. Install the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement .
  7. Install the right front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  8. Lower the vehicle.
  9. Install the 2 oil tank middle bracket nuts.

    10. Tighten
    Tighten the oil tank middle bracket nuts to 10 N·m (89 lb in).


    Object Number: 1705610 Size: SH
  10. Connect the PCV dirty air tube to the rear port on the oil tank.

    11. Object Number: 1705608 Size: SH
  11. Connect the PCV fresh air tube to the front port on the oil tank.
  12. Install the hood stop bracket to oil tank bolt.

    13. Tighten
    Tighten the hood stop bracket to oil tank bolt to 10 N·m (89 lb in).

  13. Change the engine oil. Refer to Engine Oil and Oil Filter Replacement .