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Home >> Jeep >> 2008 >> Commander Base, 3.7 K, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (5.7L Engine (Service Information)) >> Cylinder Head >> Removal >> Cylinder Heads

Cylinder Heads

WARNING: This page is about a different variant/trim than selected.
Fig 1: Cylinder Head Cover Torque Sequence
GC0038690Courtesy of CHRYSLER LLC
  1. Perform the Fuel System Pressure Release procedure. Refer to STANDARD PROCEDURE . Disconnect the fuel supply line , refer to STANDARD PROCEDURE .
  2. Disconnect the battery negative cable.
  3. Drain cooling system. Refer to STANDARD PROCEDURE .
  4. Remove the air cleaner resonator and duct work.
  5. Remove closed crankcase ventilation system.
  6. Disconnect the exhaust at the exhaust manifolds.
  7. Disconnect the evaporation control system.
  8. Disconnect heater hoses.
  9. Remove the power steering pump.
  10. Remove cylinder head cover bolts as shown.
    Fig 2: 5.7L/6.1L Cylinder Head Components
    GC0038689Courtesy of CHRYSLER LLC
    1 - CYLINDER HEAD COVER
    2 - GASKET
    3 - FASTENERS
    4 - CYLINDER HEAD
    5 - HEAD GASKET
  11. Remove cylinder head covers (1), using the sequence provided, and gaskets (2). See REMOVAL  .
    Fig 3: Rocker Shaft Torque Sequence
    GC0003955Courtesy of CHRYSLER LLC
  12. Remove intake manifold and throttle body as an assembly. See REMOVAL .
  13. Remove rocker arm assemblies and push rods. Identify to ensure installation in original locations. See REMOVAL .
    Fig 4: Cylinder Head Bolt Tightening Sequence
    GC0003962Courtesy of CHRYSLER LLC
  14. Remove the head bolts from each cylinder head, using the sequence provided, and remove cylinder heads. Discard the cylinder head gasket.
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