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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 232 (Engine Mechanical - 3.1L V6 - VIN (J) (On-Vehicle)) >> Repair Instructions >> Cylinder Head Replacement - Right >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle.
  2. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in ENGINE COOLING SYSTEM .
  3. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .
  4. Lower the vehicle.
  5. Remove the lower intake manifold. Refer to Intake Manifold Replacement - Lower .
  6. Remove the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  7. Remove the exhaust crossover pipe. Refer to EXHAUST CROSSOVER PIPE REPLACEMENT (3.1L) in AUTOMATIC TRANSAXLE SERVICING .
  8. Remove the right spark plug wires from the spark plugs. Refer to SPARK PLUG WIRE REPLACEMENT in ENGINE CONTROLS - REMOVAL & INSTALLATION, OVERHAUL .
  9. Remove the fuel line bracket bolt/stud and the bracket.
    Fig 1: Fuel Line Bracket Bolt/Stud And The Bracket
    G01763654Courtesy of GENERAL MOTORS CORP.
  10. Remove the generator. Refer to GENERATOR .
  11. Remove the right spark plugs. Refer to SPARK PLUGS .
  12. Remove the right exhaust manifold. Refer to EXHAUST MANIFOLD REPLACEMENT - RIGHT (3.1L) in AUTOMATIC TRANSAXLE SERVICING .
  13. Remove the right cylinder head bolts.
  14. Remove the right cylinder head.
    Fig 2: Right Cylinder Head
    G01763655Courtesy of GENERAL MOTORS CORP.
  15. Remove the right cylinder head gasket.
    Fig 3: Right Cylinder Head Gasket
    G01763656Courtesy of GENERAL MOTORS CORP.
  16. Clean the following areas:
    • The gasket mating surfaces on the cylinder head, cylinder block, and intake manifolds.
    • The cylinder block bolt threads.
    • The cylinder head bolts.
  17. Clean and inspect the cylinder head. Refer to CYLINDER HEAD CLEANING AND INSPECTION .
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