GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 Corvette 🢒 Engine 🢒 Engine Mechanical - 5.7L 🢒 Oil Pan Removal

    Object Number: 178477 Size: SH

    Important: 

       • It is not necessary to remove the oil pan - lower - in order to remove the oil pan assembly.
       • The original oil pan gasket is retained and aligned to the oil pan by rivets. When installing a new gasket, it is not necessary to install new oil pan gasket rivets.
       • DO NOT use the oil pan gaskets again. When installing the oil pan, install NEW oil pan gaskets.

  1. Remove the left closeout cover and bolt.

    2. Object Number: 178480 Size: SH
  2. Remove the right closeout cover and bolt.

    3. Object Number: 63114 Size: SH

    Important: It is not necessary to remove the oil level sensor prior to oil pan removal. Remove the oil level sensor if service is required.

  3. Remove the oil level sensor from the oil pan, if required.

    4. Object Number: 414783 Size: SH

    Important: It is not necessary to remove the oil pan - lower - to remove the oil pan assembly.

  4. Remove the oil pan - lower - bolts (1-15), if required.

    5. Object Number: 414781 Size: SH
  5. Removal of the oil pan - lower - will not provide access to the crankshaft oil deflector, crankshaft, or other internal engine components.

    6. Object Number: 1272836 Size: MH
  6. Separate the oil pan (400) - upper, gasket (453), oil pan (454) - lower, and bolts (455), if required.

    7. Object Number: 416764 Size: MH
  7. Remove the oil pan bolts.
  8. Remove the oil pan.

    9. Object Number: 1272840 Size: SH

    Important: 

       • DO NOT allow foreign material to enter the oil passages of the oil pan. Cap or cover the openings as required.
       • Use care not to gouge, score, or damage the oil pan sealing surface.

  9. Drill (2) out the oil pan gasket retaining rivets (1), if required.
  10. Remove the gasket (426) from the pan - upper.
  11. Discard the gasket and rivets.