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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Engine - 4.7L) >> Cylinder Head >> Installation >> Installation-Left Cylinder Head

Installation-Left Cylinder Head

WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The cylinder head bolts are tightened using a torque plus angle procedure. The bolts must be examined BEFORE reuse. If the threads are necked down the bolts should be replaced.

Necking can be checked by holding a straight edge against the threads. If all the threads do not contact the scale, the bolt should be replaced (Fig 1).

Fig 1: Checking Cylinder Head Bolts For Stretching (Necking)
G02656974Courtesy of DAIMLERCHRYSLER CORP.
CAUTION: When cleaning cylinder head and cylinder block surfaces, DO NOT use a metal scraper because the surfaces could be cut or ground. Use only a wooden or plastic scraper.
  1. Clean the cylinder head and cylinder block mating surfaces (Fig 2).
    Fig 2: Identifying Proper Tool Scraper
    G02656975Courtesy of DAIMLERCHRYSLER CORP.
  2. Position the new cylinder head gasket on the locating dowels.
    CAUTION: When installing cylinder head, use care not damage the tensioner arm or the guide arm.
  3. Position the cylinder head onto the cylinder block. Make sure the cylinder head seats fully over the locating dowels.
    NOTE: The four smaller cylinder head mounting bolts require sealant to be added to them before installing. Failure to do so may cause leaks.
  4. Lubricate the cylinder head bolt threads with clean engine oil and install the ten M11 bolts.
  5. Coat the four M8 cylinder head bolts with Mopar® Lock and Seal Adhesive  then install the bolts.
    NOTE: The cylinder head bolts are tightened using an angle torque procedure, however, the bolts are not a torque-to-yield design.
  6. Tighten the bolts in sequence (Fig 3) using the following steps and torque values:
    • Step 1: Tighten bolts 1-10, 20 N.m (15 ft. lbs.).
    • Step 2: Tighten bolts 1-10, 47 N.m (35 ft. lbs.).

      Tighten bolts 11-14, 25 N.m (18 ft. lbs.).

    • Step 3: Tighten bolts 1-10, 90 degrees. Tighten bolts 11-14, 30 N.m (22 ft. lbs.).
    Fig 3: Identifying Cylinder Head Tightening Sequence
    G02656976Courtesy of DAIMLERCHRYSLER CORP.
  7. Position the secondary chain onto the camshaft drive gear, making sure one marked chain link is on either side of the V8 mark on the gear and position the gear onto the camshaft.
  8. Install the camshaft drive gear retaining bolt.
  9. Install the left side secondary chain guide (Refer to ENGINE/VALVE TIMING/TIMING BELT/CHAIN AND SPROCKETS-INSTALLATION ).
  10. Install the cylinder head access plug (Fig 4).
    Fig 4: Installing Right And Left Cylinder Head Access Plugs
    G02656977Courtesy of DAIMLERCHRYSLER CORP.
  11. Re-set and Install the left side secondary chain tensioner (Refer to ENGINE/VALVE TIMING/TIMING BELT/CHAIN AND SPROCKETS-INSTALLATION ).

    INDICATES SEALER APPLIED TO THREADS 

  12. Remove Special Tool 8515.
  13. Install the timing chain cover (Refer to ENGINE/VALVE TIMING/TIMING BELT / CHAIN COVER(S)-INSTALLATION ).
  14. Install the crankshaft damper (Refer to ENGINE/ENGINE BLOCK/VIBRATION DAMPER -INSTALLATION ).
  15. Install the power steering pump.
  16. Install the fan blade assembly and fan shroud.
  17. Install the cylinder head cover (Refer to ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S)-INSTALLATION ).
  18. Install the intake manifold (Refer to ENGINE/MANIFOLDS/INTAKE MANIFOLD INSTALLATION ).
  19. Refill the cooling system (Refer to STANDARD PROCEDURE-REFILLING COOLING SYSTEM 4.7L ).
  20. Raise the vehicle.
  21. Install the exhaust pipe onto the left exhaust manifold.
  22. Lower the vehicle.
  23. Connect the negative cable to the battery.
  24. Start the engine and check for leaks.
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