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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (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 car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the engine coolant temperature sensor, if applicable.
    Fig 1: Removing Engine Coolant Temperature Sensor
    G02077980Courtesy of GENERAL MOTORS CORP.
  2. Remove the engine coolant temperature gage sensor, if applicable.
    Fig 2: Removing Engine Coolant Temperature Gage Sensor
    G02077981Courtesy of GENERAL MOTORS CORP.
  3. Remove the spark plugs.
    Fig 3: Removing Spark Plugs
    G02077982Courtesy of GENERAL MOTORS CORP.
  4. Remove the bolts and the spark plug wire support.
    Fig 4: Removing Bolts & Spark Plug Wire Support
    G02077983Courtesy of GENERAL MOTORS CORP.
  5. Remove the cylinder head bolts.
    Fig 5: Removing Cylinder Head Bolts
    G02077984Courtesy of GENERAL MOTORS CORP.
    CAUTION: After removal, place the cylinder head on two wood blocks to prevent damage.
  6. Remove the cylinder head.
    Fig 6: Removing Cylinder Head
    G02077985Courtesy of GENERAL MOTORS CORP.
  7. Remove and discard the cylinder head gasket.
    Fig 7: Removing Cylinder Head Gasket
    G02077986Courtesy of GENERAL MOTORS CORP.
  8. Remove the cylinder head locator dowel pins, if required.
    Fig 8: Removing Cylinder Head Locator Dowel Pins
    G02077987Courtesy of GENERAL MOTORS CORP.