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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Mechanical - 4.3L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Cylinder Head Removal - Left

Cylinder Head Removal - Left

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Engine Coolant Temperature Sensor
    GM387769Courtesy of GENERAL MOTORS CORP.
  1. Remove the engine coolant temperature sensor, if applicable.
    2. Fig 2: View Of Engine Coolant Temperature Gage Sensor
    GM387767Courtesy of GENERAL MOTORS CORP.
  2. Remove the engine coolant temperature gage sensor, if applicable.
    3. Fig 3: View Of Spark Plugs (Left)
    GM328582Courtesy of GENERAL MOTORS CORP.
  3. Remove the spark plugs.
    4. Fig 4: Locating Spark Plug Wire Support
    GM328588Courtesy of GENERAL MOTORS CORP.
  4. Remove the bolts and the spark plug wire support.
    5. Fig 5: Locating Cylinder Head Bolts (Left)
    GM480533Courtesy of GENERAL MOTORS CORP.
  5. Remove the cylinder head bolts and discard.
    6. Fig 6: Removing/Installing Cylinder Head (Left)
    GM480536Courtesy of GENERAL MOTORS CORP.
    NOTE: After removal, place the cylinder head on 2 wood blocks in order to prevent damage to the sealing surfaces.
  6. Remove the cylinder head.
    7. Fig 7: View Of Cylinder Head Gasket And Alignment Pins - Left
    GM334299Courtesy of GENERAL MOTORS CORP.
  7. Remove and discard the cylinder head gasket.
    8. Fig 8: View Of Cylinder Head Locator Pins
    GM330548Courtesy of GENERAL MOTORS CORP.
  8. Remove the cylinder head locator dowel pins, if required.
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