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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1095 (Engine Mechanical - 3.4L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Cylinder Head Replacement - Right >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the battery negative cable from the battery. Refer to Battery Negative Cable Disconnect/Connect Procedure (LA1) in Engine Electrical.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Drain the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
  4. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .
  5. Lower the vehicle.
  6. Remove the lower intake manifold. Refer to Intake Manifold Replacement - Lower .
  7. Remove the exhaust crossover pipe. Refer to Exhaust Crossover Pipe Replacement (LA1) in Engine Exhaust.
  8. Remove the pushrods and valve rocker arms. Refer to Valve Rocker Arm and Push Rod Replacement .
    9. Fig 1: View Of Cylinder Head
    GM52299Courtesy of GENERAL MOTORS CORP.
  9. Remove and discard the cylinder head bolts.
  10. Remove the cylinder head.
    11. Fig 2: View Of Cylinder Head Gasket And Alignment Pins
    GM54362Courtesy of GENERAL MOTORS CORP.
  11. Remove and discard the cylinder head gasket.
  12. Clean the following areas:
    • The gasket sealing surfaces on the cylinder head, cylinder block, and intake manifolds.
    • The cylinder block bolt threads.
    • The cylinder head bolts.
  13. Clean and inspect the cylinder head.
  14. If the cylinder head is being replaced, perform the following steps:
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