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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 - Left >> Installation Procedure

Installation 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. If the cylinder head is being replaced, perform the following steps:
    2. Fig 1: View Of Cylinder Head Gasket And Alignment Pins
    GM54362Courtesy of GENERAL MOTORS CORP.
  2. Install the new cylinder head gasket.
  3. Install the engine left side exhaust manifold. Refer to Exhaust Manifold Replacement - Left (LA1) .
  4. Install the spark plugs. Refer to Spark Plug Replacement in Engine Controls - 3.4L.
    5. Fig 2: View Of Cylinder Head
    GM52299Courtesy of GENERAL MOTORS CORP.
  5. Install the cylinder head.
    6. Fig 3: View Of Cylinder Head Bolt Tightening Sequence
    GM826677Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  6. Install the new cylinder head bolts.

    Tighten: 

    1. Tighten the bolts in the sequence shown to 60 N.m (44 lb ft),
    2. Using the J 45059  , torque the cylinder head bolts in sequence, an additional 95 degrees. See Special Tools and Equipment .

  7. Install the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement .
  8. Install the engine mount strut bracket. Refer to Engine Mount Strut Bracket Replacement - Left .
  9. Install the pushrods and valve rocker arms. Refer to Valve Rocker Arm and Push Rod Replacement .
  10. Install the exhaust crossover pipe. Refer to Exhaust Crossover Pipe Replacement (LA1) in Engine Exhaust.
  11. Install the lower intake manifold. Refer to Intake Manifold Replacement - Lower .
  12. Fill the engine with new engine oil. Refer to Engine Oil and Oil Filter Replacement .
  13. Install the battery negative cable to the battery. Refer to Battery Negative Cable Disconnect/Connect Procedure (LA1)
  14. Fill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
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