Removal Procedure:
Notice: To prevent leakage of oil filters, it is very important that you closely follow the installation instructions listed below or engine damage may result.

Important: Be sure the vehicle is level during this entire procedure.

1. Raise and suitably support the vehicle.  Refer to lifting and jacking the vehicle in General Information
Important: In order to completely drain the oil from the oil pan internal baffling, the bottom of the oil pan must be level during the oil drain procedure.  Allow a MINIMUM of 7 MINUTES for the engine oil to fully drain, once the engine oil drain plug and the engine oil filter are removed.
2. Remove the engine oil drain plug and allow the oil to drain.
3. Remove the engine oil filter by turning the oil filter counterclockwise and allow any remaining oil to drain.

Installation Procedure:
1. Clean the gasket sealing area on the engine oil filter mounting surface with a clean dry cloth.
        For information on oil filters, refer to:
        /FRANK/hobbies/corvette/articles/oilfilterstudy/oilfilterstudy.html
2. Lightly oil the replacement engine oil filter gasket with clean oil.
Notice: Refer to Fastener Notice in Cautions and Notices.
Important: Use a cap-type wrench, AC Delco 0F17W or equivalent, or a strap-type wrench with swivel handle to insure proper installation.
3. Install the filter by turning the engine oil filter clockwise.  Tighten the engine oil filter to 30Nm (2lb ft)
4. Wipe the engine oil drain plug with a clean dry cloth.
5. Install the engine oil drain plug.  Tighten the engine oil drain plug to 25Nm (18lb ft)
Important: Allow a MINIMUM of 3 MINUTES for the engine oil to fully fill the engine oil pan.
6. Fill the engine with the proper type and amount of NEW engine oil.  Do not use any engine oil additives in Corvette engines.  For information on the proper type of oil to use, refer to Fluid and Lubricant Recommendations in Maintenance and Lubrication.
7. Run the engine for 3 minutes and thoroughly inspect the oil pan drain plug areas for leaks.
8. Allow the engine to cool for a minimum of 3 minutes.
9. Check engine oil level.
10. Top-off the engine oil to the full mark on the oil level indicator (dipstick).
11. Lower the vehicle.

Engine Oil Quality:
All Corvette engines are filled at the factory with Mobil 1 Synthetic oil which meets all requirements of GM Specification 4718M.  The recommended SAE oil viscosity is 5W-30, however, if temperatures are above -18degC(0degF) 10W-30 may be used.  Notice Oil that does not have the GM4718M specification designation can cause engine damage not covered by the warranty.