2009 Chevrolet Corvette Owner's Manual - Page 300

2. Once the oil has been drained from the engine, remove the engine oil filter and allow the oil to drain. 3. Re-install both drain plugs and tighten them to 18 lb ft (25 Y ). 4. Replace the oil filter and tighten it to 18 lb ft (25 Y ). See Maintenance Replacement Parts on page 6-14 for the correct filter. 5. Oil is filled through the opening in the top of the external engine oil tank. Remove the oil fill cap. 6. Add 10.5 quarts (9.9 L) of oil to the oil tank. See Capacities and Specifications on page 5-110. 7. Install the oil fill cap and insert the dipstick, if removed. ZO6 Shown, ZR1 Similar A. Engine Oil Drain Plugs B. Seals 1. Remove the two engine oil drain plugs from the bottom of the engine oil pan. One drain plug drains the external oil tank via the oil transfer supply line. The other drain plug drains residual oil from the crankcase sump. Allow the oil to drain. 8. Start the engine and let it run at idle for at least 15 seconds. This will circulate the fresh engine oil through the lubrication system. 9. Shut off the engine and check the oil level as described under "Checking Engine Oil (ZO6 and ZR1)." 5-24