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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (ENGINE MECHANICAL - 8.1L)REPAIR INSTRUCTIONSOFF-VEHICLE REPAIR INSTRUCTIONSENGINE BLOCK PLUG REMOVAL
2006 Chevrolet Suburban K2500, 6.0 U

Engine Block Plug Removal

2006 Chevrolet Suburban K2500, 6.0 USECTION Engine Block Plug Removal
WARNING: This page is about a different variant/trim than selected.

Tools Required 

J 41712  Oil Pressure Switch Socket

    Fig 1: Removing & Installing Oil Pressure Sensor Using J 41712
    GM1310000Courtesy of GENERAL MOTORS CORP.
  1. Remove the oil pressure sensor using J 41712  (1).
    2. Fig 2: View Of Camshaft Rear Bearing Hole Plug
    GM471118Courtesy of GENERAL MOTORS CORP.
  2. Remove the camshaft rear bearing hole plug:
    1. Obtain a suitable self-threading screw.
    2. Drill a hole into the plug.
    3. Install the self-threading screw.
    4. Pull on the screw until the plug is removed from the bore.
      5. IMPORTANT: Use care not to damage the camshaft bearings.
    5. An alternate method to remove the plug would be to insert a long shaft or bar through the front of the engine and drive the plug from the bore.
    3. Fig 3: View Of Left Side Knock Sensor Heat Shield
    GM471100Courtesy of GENERAL MOTORS CORP.
  3. Remove the left side knock sensor heat shield bolts.
  4. Remove the left side knock sensor heat shield.
    5. Fig 4: View Of Left Side Knock Sensor
    GM471081Courtesy of GENERAL MOTORS CORP.
  5. Remove the left side knock sensor.
    6. Fig 5: View Of Right Side Knock Sensor, Heat Shield & Bolts
    GM1310044Courtesy of GENERAL MOTORS CORP.
  6. Remove the right side knock sensor heat shield (720) and bolts (721).
  7. Remove the right side knock sensor (719).
    8. Fig 6: View Of Engine Block Oil Cooler Hose Fittings
    GM471126Courtesy of GENERAL MOTORS CORP.
  8. Remove the engine block oil cooler hose fittings.
    9. Fig 7: View Of Rear Oil Gallery Plugs
    GM471134Courtesy of GENERAL MOTORS CORP.
  9. Remove the rear oil gallery plugs.
    10. Fig 8: View Of Front Oil Gallery Plugs
    GM471133Courtesy of GENERAL MOTORS CORP.
  10. Remove the front oil gallery plugs.
    11. Fig 9: View Of Engine Block Left Oil Gallery Plug
    GM471138Courtesy of GENERAL MOTORS CORP.
  11. Remove the left side oil gallery plug.
    12. Fig 10: View Of Top Oil Gallery Plugs
    GM471137Courtesy of GENERAL MOTORS CORP.
  12. Remove the top oil gallery plugs.
    13. Fig 11: View Of Engine Coolant Drain Hole Plug
    GM635657Courtesy of GENERAL MOTORS CORP.
  13. Remove the engine block coolant drain hole plug.
    14. Fig 12: View Of Engine Block Coolant Heater
    GM635660Courtesy of GENERAL MOTORS CORP.
  14. Remove the engine block coolant heater, if equipped.
RENDER: 1.0x

NO RELATED

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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.