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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1819 (Engine Mechanical - 3.5L (L66)) >> Repair Instructions >> Off Vehicle Repair Instructions >> Engine Block Plug Removal

Engine Block Plug Removal

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Engine Block Plug
    GM1308130Courtesy of GENERAL MOTORS CORP.
  1. Remove the block coolant heater and washer, if applicable.
    2. Fig 2: View Of Coolant Drain Plug, Washer, Restrictor & O-Ring
    GM897018Courtesy of GENERAL MOTORS CORP.
  2. Remove the left side coolant drain plug (113) and washer (114).
  3. Remove the restrictor (431) and O-ring (430).
    4. Fig 3: Identifying Restrictor, O-Ring, Washer, Fitting & Drain Plug
    GM897019Courtesy of GENERAL MOTORS CORP.
  4. Remove the right side coolant drain plug (110), fitting (111) and washer (112).
  5. Remove the restrictor (431) and O-ring (430).
    6. Fig 4: View Of Knock Sensor
    GM897020Courtesy of GENERAL MOTORS CORP.
  6. Remove the knock sensor (720).
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