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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 - Left >> 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 the pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
    7. Fig 1: Valve Rocker Arms And The Pushrods
    G01763649Courtesy of GENERAL MOTORS CORP.
  7. Remove the exhaust crossover pipe. Refer to EXHAUST CROSSOVER PIPE REPLACEMENT (3.1L) in AUTOMATIC TRANSAXLE SERVICING .
  8. Remove the right engine mount strut bracket. Refer to Engine Mount Strut Bracket Replacement - Right .
  9. Remove the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement .
  10. Remove the left spark plug wires from the spark plugs. Refer to SPARK PLUG WIRE REPLACEMENT in ENGINE CONTROLS - REMOVAL & INSTALLATION, OVERHAUL .
  11. Remove the left spark plugs. Refer to SPARK PLUGS .
  12. Remove the left exhaust manifold. Refer to EXHAUST MANIFOLD REPLACEMENT - LEFT (3.1L) in AUTOMATIC TRANSAXLE SERVICING .
  13. Remove the left cylinder head bolts.
  14. Remove the left cylinder head.
  15. Remove the left cylinder head gasket.
  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.
    Fig 2: Cylinder Head Gasket
    G01763650Courtesy of GENERAL MOTORS CORP.
  17. Clean and inspect the cylinder head. Refer to CYLINDER HEAD CLEANING AND INSPECTION .
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