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Home >> Chevrolet >> 2005 >> Aveo Base, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different car >> Section 109 (Engine Mechanical - 1.6L) >> Repair Instructions - Off Vehicle >> Cylinder Head Cleaning and Inspection (On Vehicle)

Cylinder Head Cleaning and Inspection (On Vehicle)

WARNING: This page is about a different car, the 2008 Suzuki Swift +, 2008 Pontiac Wave, and 2008 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Casting Plugs & Spark Plug Holes
    GM1868717Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Battery Disconnect Caution .
  1. Disconnect the negative battery cable.
  2. Remove the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .
  3. Locate the cylinder head casting plugs (1) in the cylinder head between the spark plug holes (2).
    4. Fig 2: Cylinder Head Inspection Points
    GM1868719Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: If the cylinder head casting plug is leaking coolant, it should have and sludge build up around the plug.
  4. Inspect the area (3) around the cylinder head casting plug (1) for coolant leakage. Pressure test the cooling system if necessary.
  5. If coolant leakage is identified, remove both cylinder head casting plugs.
  6. Thoroughly clean the plugs and the cylinder head.
  7. Apply Pipe Sealant w/Teflon®, GM part number 12346004, Canadian part number 10953480 to the plug threads.
  8. Install the cylinder head casting plugs into the cylinder head

    Tighten:  Tighten the cylinder head casting plugs to 85 N.m (63 lb ft)

  9. Install the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement 
  10. Connect the negative battery cable.
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