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Home >> Chevrolet >> 2015 >> Camaro LS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Mechanical - 6.2L (L99 LS3 LSA) Or 7.0L (LS7) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Engine Block Plug Installation (LS3 or L99)

Engine Block Plug Installation (LS3 or L99)

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    Fig 1: Identifying Engine Oil Cooler Hose/Pipe
    GM2142312Courtesy of GENERAL MOTORS COMPANY
    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 oil cooler coolant fitting (2). Refer to Adhesives, Fluids, Lubricants, and Sealers .
    2. CAUTION:

    Refer to Component Fastener Tightening Caution .

  2. Install the engine oil cooler coolant fitting (2) and tighten to 50 N.m (37 lb ft).
    3. Fig 2: Identifying Plug Location On Underside Of Block
    GM63164Courtesy of GENERAL MOTORS COMPANY
  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: Locating Engine Block Left Front Oil Gallery Plug & Seal
    GM1552550Courtesy of GENERAL MOTORS COMPANY
  5. 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).
  6. Install the engine block left front oil gallery plug (116) and tighten to 60 N.m (44 lb ft).
    7. Fig 4: Locating Engine Block Left Rear Oil Gallery Plug & Seal
    GM1552551Courtesy of GENERAL MOTORS COMPANY
  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 rear oil gallery plug sealing washer (113).
  8. Install the engine block left rear oil gallery plug (112) and tighten to 60 N.m (44 lb ft).
    9. Fig 5: View Of Engine Block Rear Oil Gallery Plug
    GM63228Courtesy of GENERAL MOTORS COMPANY
  9. 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.
  10. Lubricate the O-ring seal with clean engine oil.
  11. Install the O-ring seal onto the plug.
  12. 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.
    13. Fig 6: View Of Engine Block Front Oil Gallery Plug
    GM1552553Courtesy of GENERAL MOTORS COMPANY
  13. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) to the sides of the NEW front oil gallery plug (101).
    14. Fig 7: View Of Engine Block Front Oil Gallery Plug
    GM64295Courtesy of GENERAL MOTORS COMPANY
  14. 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.
    15. Fig 8: Identifying Left Side Knock Sensor & Bolt
    GM2085694Courtesy of GENERAL MOTORS COMPANY
  15. Install the left side knock sensor (1) and bolt (2) and tighten to 25 N.m (18 lb ft).
    16. Fig 9: Right Side Knock Sensor & Bolt
    GM1402140Courtesy of GENERAL MOTORS COMPANY
  16. Install the right side knock sensor (718) and bolt (739) and tighten to 25 N.m (18 lb ft).
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