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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (3.7L Engine (Service Information)) >> Cylinder Head - Left >> Removal

Cylinder Head - Left: Removal

WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative cable from the battery.
  2. Raise the vehicle on a hoist.
  3. Disconnect the exhaust pipe at the left side exhaust manifold.
  4. Drain the engine coolant (Refer to STANDARD PROCEDURE - DRAINING COOLING SYSTEM ).
  5. Lower the vehicle.
  6. Remove the intake manifold (Refer to REMOVAL  ).
  7. Remove the master cylinder and booster assembly (Refer to POWER BRAKE BOOSTER ).
  8. Remove the cylinder head cover (Refer to CYLINDER HEAD COVER  ).
  9. Remove the fan shroud and fan blade assembly (Refer to RADIATOR FAN - ELECTRIC ).
  10. Remove accessory drive belt (Refer to ACCESSORY DRIVE ).
  11. Remove the power steering pump and set aside.
  12. Rotate the crankshaft until the damper timing mark is aligned with TDC indicator mark (Fig 1 ).
  13. Verify the V6 mark on the camshaft sprocket is at the 12 o'clock position (Fig 2 ). Rotate the crankshaft one turn if necessary.
  14. Remove the crankshaft damper (Refer to REMOVAL  ).
  15. Remove the timing chain cover (Refer to REMOVAL  ).
    Fig 1: Identifying Engine Top Dead Center (TDC) Indicator Mark
    G03512087Courtesy of DAIMLERCHRYSLER CORP.
    Fig 2: Identifying Camshaft Sprocket V6 Marks (#1 TDC, Exhaust Stroke)
    G03512088Courtesy of DAIMLERCHRYSLER CORP.
  16. Lock the secondary timing chains to the idler sprocket using Special Tool 8429 Timing Chain Holding Fixture (Fig 3 ).
    Fig 3: Identifying Using Special Tool 8429
    G03512089Courtesy of DAIMLERCHRYSLER CORP.
    NOTE: Mark the secondary timing chain prior to removal to aid in installation.
  17. Mark the secondary timing chain, one link on each side of the V6 mark on the camshaft drive gear.
  18. Remove the left side secondary chain tensioner. Refer to TIMING BELT/CHAIN AND SPROCKETS  .
  19. Remove the cylinder head, access plug (Fig 4 ).
  20. Remove the left side secondary chain guide (Refer to REMOVAL  ).
  21. Remove the retaining bolt and the camshaft drive gear.
    CAUTION: Do not allow the engine to rotate. Severe damage to the valve train can occur.
    CAUTION: Do not overlook the four smaller bolts at the front of the cylinder head. Do not attempt to remove the cylinder head without removing these four bolts.
    NOTE: The cylinder head is attached to the cylinder block with twelve bolts.
    Fig 4: Identifying Cylinder Head Access Plugs
    G03512090Courtesy of DAIMLERCHRYSLER CORP.
  22. Remove the cylinder head retaining bolts.
  23. Remove the cylinder head and gasket. Discard the gasket.
    CAUTION: Do not lay the cylinder head on its gasket sealing surface, due to the design of the cylinder head gasket any distortion to the cylinder head sealing surface may prevent the gasket from properly sealing resulting in leaks.
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