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Home >> Chevrolet >> 2011 >> Corvette ZR-1 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 6.2L Or 7.0L - Repair Instructions - Off Vehicle (3 Of 5) >> Oil Pan Cleaning and Inspection (LS3 with Z52 Option, LS7, LS9)

Oil Pan Cleaning and Inspection (LS3 with Z52 Option, LS7, LS9)

    Fig 1: View Of Oil Filter Fitting
    GM1552464Courtesy of GENERAL MOTORS CORP.
  1. Remove the oil filter fitting (438), as required.
  2. Fig 2: Oil Pump Suction Pipe, Bolts & Gasket
    GM1552466Courtesy of GENERAL MOTORS CORP.
  3. Remove the oil pump suction pipe (407), bolts (405), and gasket (406).
  4. Discard the gasket (406).
  5. Clean the suction pipe and inspect for debris, restrictions, or other damage.
  6. Fig 3: Oil Pan Drain Plugs
    GM2374379Courtesy of GENERAL MOTORS CORP.
  7. Remove the oil pan drain plugs (1).
  8. Inspect the oil pan drain plugs threads for damage.
  9. Fig 4: Oil Pan Inspection Points
    GM1552467Courtesy of GENERAL MOTORS CORP.
  10. Clean the oil pan in solvent.
  11. WARNING: Refer to Safety Glasses Warning .
  12. Dry the oil pan with compressed air.
  13. Inspect the oil pan for the following conditions:
    • Damaged gasket surfaces (1)
    • Restrictions within the oil passages (2) of the pan
    • Damaged oil filter seal surface (3)
    • Threaded bolt holes (4) for damage
  14. Fig 5: Oil Pan Oil Passages
    GM1552469Courtesy of GENERAL MOTORS CORP.
  15. Inspect the oil pan internal oil passages (1-4) for restrictions.
  16. Fig 6: Oil Hose Mating Surfaces
    GM1552470Courtesy of GENERAL MOTORS CORP.
  17. Inspect the oil hose mating surfaces (1) for scoring or other damage.
  18. Fig 7: Oil Pan Plug
    GM1552468Courtesy of GENERAL MOTORS CORP.
  19. Inspect the oil pan plug (457) for a loose fit or leakage.
  20. Fig 8: Oil Pan Drain Plugs
    GM2374379Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  21. Install the oil pan drain plugs (1) and tighten to 25 N.m (18 lb ft).
  22. Fig 9: Oil Pump Suction Pipe, Bolts & Gasket
    GM1552466Courtesy of GENERAL MOTORS CORP.
  23. Install the oil pump suction pipe (407), bolts (405), and gasket (406).
  24. Tighten the oil pump suction pipe bolts (405) to 12 N.m (106 lb in).
  25. Fig 10: View Of Oil Filter Fitting
    GM1552464Courtesy of GENERAL MOTORS CORP.
  26. Install the oil filter fitting (438), as required, and tighten to 55 N.m (40 lb ft).