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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 500 (ENGINE MECHANICAL - 3.9L)REPAIR INSTRUCTIONSOFF-VEHICLE REPAIR INSTRUCTIONSENGINE BLOCK ASSEMBLE
2006 Chevrolet Cobalt SS, 4D Sedan, Standard

Engine Block Assemble

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Engine Block Assemble
WARNING: This page is about a different car, the 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Engine Oil Pressure Indicator Switch
    GM909630Courtesy of GENERAL MOTORS CORP.
  1. Apply sealer GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the oil pressure switch threads.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the engine oil pressure switch.

    Tighten:  Tighten the engine oil pressure switch to 16 N.m (12 lb ft).

    3. Fig 2: View Of Knock Sensors
    GM909629Courtesy of GENERAL MOTORS CORP.
  3. Install the knock sensors.

    Tighten:  Tighten the knock sensors to 25 N.m (18 lb ft).

    4. Fig 3: View Of Engine Block Plug, Engine Block Heater & Transmission Locating Pins
    GM909628Courtesy of GENERAL MOTORS CORP.
  4. Apply sealer GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the engine block plug.
  5. Install a NEW engine block plug.

    Tighten:  Tighten the engine block plug to 60 N.m (44 lb ft).

  6. Install the transmission locating pins. The installation height should be 8.3-9.3 mm (0.327-0.366 in) (A).
    7. Fig 4: View Of Front Oil Gallery Plugs
    GM909627Courtesy of GENERAL MOTORS CORP.
  7. Apply sealer GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the front oil gallery plug threads (110, 137).
  8. Install the front oil gallery plug (110).

    Tighten:  Tighten the front oil gallery plug to 19 N.m (14 lb ft).

  9. Install the front oil gallery plug (137).

    Tighten:  Tighten the front oil gallery plug to 33 N.m (24 lb ft).

  10. Apply sealer GM P/N 12377901 (Canadian P/N 10953504), or equivalent to the front oil gallery plug (107).
  11. Install the front oil gallery plug (107) so that it is 1.5 mm (0.06 in) below flush of the engine block.
  12. Install the engine front cover locating pins (546). The installation height should be 5.8-8.2 mm (0.228-0.323 in) (A).
    13. Fig 5: View Of Rear Oil Gallery Plugs
    GM909626Courtesy of GENERAL MOTORS CORP.
  13. Apply Sealer GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the rear oil gallery plugs.
  14. Install the rear oil gallery plugs (103).

    Tighten:  Tighten the rear oil gallery plugs to 19 N.m (14 lb ft).

  15. Install the rear oil gallery plugs (102).

    Tighten:  Tighten the rear oil gallery plugs to 33 N.m (24 lb ft).

    16. Fig 6: Identifying Camshaft Rear Bearing Hole Plug Installation Depth
    GM187008Courtesy of GENERAL MOTORS CORP.
  16. Apply sealer GM P/N 12377901 (Canadian P/N 10953504), or equivalent to the camshaft rear bearing hole plug.
  17. Install the camshaft rear bearing hole plug.
    18. Fig 7: View Of Left Coolant Drain Plug
    GM909514Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.