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Home >> Chevrolet >> 2011 >> Corvette Z06 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 6.2L Or 7.0L - Repair Instructions - Off Vehicle (2 Of 5) >> Engine Block Plug Removal

Engine Block Plug Removal

    Fig 1: Identifying Engine Oil Cooler Hose/Pipe
    GM2142312Courtesy of GENERAL MOTORS CORP.
  1. Remove the engine coolant drain hole plug, or the engine oil cooler coolant fitting (2), if equipped.
    2. Fig 2: Engine Block Right Rear Coolant Drain Hole Plug & Seal
    GM63164Courtesy of GENERAL MOTORS CORP.
  2. Remove the engine block right rear coolant drain hole plug and seal.
    3. Fig 3: Engine Block Left Front Oil Gallery Plug & Seal
    GM1552550Courtesy of GENERAL MOTORS CORP.
  3. Remove the engine block left front oil gallery plug (116) and seal (117).
    4. Fig 4: Oil Level Indicator Tube Hole Plug
    GM2292684Courtesy of GENERAL MOTORS CORP.
  4. Remove the oil level indicator tube hole plug (1), if required - LS3 with Z52 option.
    5. Fig 5: Engine Block Left Rear Oil Gallery Plug & Seal
    GM1552551Courtesy of GENERAL MOTORS CORP.
  5. Remove the engine block left rear oil gallery plug (112) and seal (113).

    If the block plug and coolant heater sealing washers are not damaged, they may be used during assembly.

    6. Fig 6: Engine Block Rear Oil Gallery Plug & Seal
    GM1669843Courtesy of GENERAL MOTORS CORP.
  6. Remove the engine block rear oil gallery plug (111) and seal.
  7. Inspect the O-ring seal of the rear oil gallery plug.

    If the O-ring seal is not cut or damaged, the plug and O-ring seal may be used during assembly.

    8. Fig 7: View Of Engine Block Front Oil Gallery Plug
    GM1552553Courtesy of GENERAL MOTORS CORP.
    NOTE: Remove the front oil gallery plug, only if service is required. If the front oil gallery plug is removed, a NEW oil gallery plug must be installed.
  8. Remove the engine block front oil gallery plug (101).
    9. Fig 8: Left Side Knock Sensor & Bolt
    GM1402136Courtesy of GENERAL MOTORS CORP.
  9. Remove the left side knock sensor (718) and bolt (739).
    10. Fig 9: Right Side Knock Sensor & Bolt
    GM1402140Courtesy of GENERAL MOTORS CORP.
  10. Remove the right side knock sensor (718) and bolt (739).
    11. Fig 10: Identifying Piston Oil Nozzles
    GM2085658Courtesy of GENERAL MOTORS CORP.
  11. Remove the piston oil nozzles (1) from the block - 6.2L LS9/LSA.
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