LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2005 >> Corvette 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 112 (Engine Mechanical - 4.8L, 5.3L & 6.0L (Repair Instructions - 2 Of 3)) >> Repair Instructions (Off-Vehicle Repair Instructions Part 2) >> Engine Block Plug Removal

Engine Block Plug Removal

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

J 41712 Oil Pressure Switch Socket

    IMPORTANT:
    • Do not remove the engine block front oil gallery plug unless service is required.
    • If the front oil gallery plug is removed for service, a NEW oil gallery plug must be installed.
  1. Remove the oil pressure sensor, if not previously removed, using the J 41712 or equivalent.
    2. Fig 1: View Of Oil Pressure Sensor & J 41712
    GM823316Courtesy of GENERAL MOTORS CORP.
  2. Remove the engine block right rear coolant drain hole plug.
    3. Fig 2: View Of Engine Block Right Rear Coolant Drain Hole Plug
    GM1201542Courtesy of GENERAL MOTORS CORP.
  3. On vehicles equipped with RPO HP2, remove the coolant fitting.
  4. Remove the engine block coolant heater, if applicable.
    5. Fig 3: View Of Engine Block Coolant Heater
    GM1276785Courtesy of GENERAL MOTORS CORP.
  5. Remove the engine block left front coolant drain hole plug, if applicable.
    6. Fig 4: View Of Engine Block Left Front Coolant Drain Hole Plug
    GM63165Courtesy of GENERAL MOTORS CORP.
  6. Remove the engine block left front oil gallery plug.
    7. Fig 5: View Of Engine Block Left Front Oil Gallery Plug
    GM63167Courtesy of GENERAL MOTORS CORP.
  7. Remove the engine block left rear oil gallery plug.
    8. Fig 6: View Of Engine Block Left Rear Oil Gallery Plug
    GM64923Courtesy of GENERAL MOTORS CORP.
  8. Inspect the block plug sealing washers.

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

  9. Remove the engine block rear oil gallery plug.
    10. Fig 7: View Of Engine Block Rear Oil Gallery Plug
    GM63228Courtesy of GENERAL MOTORS CORP.
  10. 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 use during assembly.

    11. IMPORTANT:
    • 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.
  11. Remove the engine block front oil gallery plug.
    12. Fig 8: View Of Engine Block Front Oil Gallery Plug
    GM64295Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals