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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) >> Engine Block Plug Installation

Engine Block Plug Installation

    Fig 1: Identifying Engine Oil Cooler Hose/Pipe
    GM2142312Courtesy of GENERAL MOTORS CORP.
    NOTE: Engine block plug, oil gallery, and coolant sealing washers may be used again if not bent, scored or otherwise damaged.
  1. Apply a 3.175 mm (0.125 in) bead of sealant GM P/N 12346004 (Canadian P/N 10953480) to the threads of the engine coolant drain hole plug, or the engine oil cooler coolant fitting (2), if equipped. Refer to Adhesives, Fluids, Lubricants, and Sealers .
    2. CAUTION: Refer to Fastener Caution .
  2. Install the engine coolant drain hole plug, or the engine oil cooler coolant fitting (2), if equipped.
    • Tighten the coolant drain hold plug to 60 N.m (44 lb ft).
    • Tighten the oil cooler coolant fitting to 50 N.m (37 lb ft).
    3. Fig 2: Engine Block Right Rear Coolant Drain Hole Plug & Seal
    GM63164Courtesy of GENERAL MOTORS CORP.
  3. Apply a 3.175 mm (0.125 in) bead of sealant GM P/N 12346004 (Canadian P/N 10953480) to the engine block right rear coolant drain hole plug sealing washer.
  4. Install the engine block right rear coolant drain hole plug and tighten to 60 N.m (44 lb ft).
    5. Fig 3: Oil Level Indicator Tube Hole Plug
    GM2292684Courtesy of GENERAL MOTORS CORP.
  5. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent, to the sides of the oil level indicator tube hole plug.
  6. Install a NEW oil level indicator tube hole plug, if required - LS3 with Z52 option. Install the plug completely into the hole until the top edge of the plug is flush or slightly below the top surface of the block.
    7. Fig 4: Locating Engine Block Left Front Oil Gallery Plug & Seal
    GM1552550Courtesy of GENERAL MOTORS CORP.
  7. Apply a 3.175 mm (0.125 in) bead of sealant GM P/N 12346004 (Canadian P/N 10953480) to the engine block left front oil gallery plug sealing washer (117).
  8. Install the engine block left front oil gallery plug (116) and tighten to 60 N.m (44 lb ft).
    9. Fig 5: Locating Engine Block Left Rear Oil Gallery Plug & Seal
    GM1552551Courtesy of GENERAL MOTORS CORP.
  9. Apply a 3.175 mm (0.125 in) bead of sealant GM P/N 12346004 (Canadian P/N 10953480) to the engine block left rear oil gallery plug sealing washer (113).
  10. Install the engine block left rear oil gallery plug (112) and tighten to 60 N.m (44 lb ft).
    11. Fig 6: View Of Engine Block Rear Oil Gallery Plug
    GM63228Courtesy of GENERAL MOTORS CORP.
  11. Inspect the engine block rear oil gallery plug and O-ring seal. If the O-ring seal on the plug is not cut or damaged, the rear oil gallery plug may be used again.
  12. Lubricate the O-ring seal with clean engine oil.
  13. Install the O-ring seal onto the plug.
  14. Install the engine block rear oil gallery plug into the oil gallery bore. A properly installed block plug will protrude 0.8-1.4 mm (0.0315-0.055 in) beyond the rear face of the block.
    15. Fig 7: View Of Engine Block Front Oil Gallery Plug
    GM1552553Courtesy of GENERAL MOTORS CORP.
  15. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) to the sides of the NEW front oil gallery plug (101).
    16. Fig 8: View Of Engine Block Front Oil Gallery Plug
    GM64295Courtesy of GENERAL MOTORS CORP.
  16. Install a NEW engine block front oil gallery plug. Install the plug into the oil gallery bore 2.2-2.8 mm (0.0086-0.011 in) below flush.
    17. Fig 9: Identifying Left Side Knock Sensor & Bolt
    GM2085694Courtesy of GENERAL MOTORS CORP.
  17. Install the left side knock sensor (1) and bolt (2) and tighten to 25 N.m (18 lb ft).
    18. Fig 10: Right Side Knock Sensor & Bolt
    GM1402140Courtesy of GENERAL MOTORS CORP.
  18. Install the right side knock sensor (718) and bolt (739) and tighten to 25 N.m (18 lb ft).
    19. Fig 11: Identifying Piston Oil Nozzles
    GM2085658Courtesy of GENERAL MOTORS CORP.
  19. Install the piston oil nozzles (1) to the block - 6.2L LS9/LSA.
  20. Tighten the bolts to 20 N.m (15 lb ft).
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