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Dodge Truck 4.7L Cylinder Head replacing?

The detailed procedure to replace Cylinder head.

The procedure for 4.7L Engine cylinder head removal..

The details and helpful diagrams are as follows:---

Also refer this 3.7L Engine

3.7L Cylinder Head Removal on Dodge RAM?

http://howtobyme.blogspot.in/2012/04/37l-cylinder-head-removal-on-dodge-ram.html


FOR 4.7L Engine the procedure starts here:---


  1. Drain the cooling system.
  2. Properly relieve the fuel system pressure.
  3. Remove or disconnect the following:

    Negative battery cable
    Exhaust Y-pipe
    Intake manifold
    Valve covers
    Engine cooling fan and shroud
    Accessory drive belt
    Oil fill housing
    Power steering pump
    Rocker arms
  4. Rotate the crankshaft so that the crankshaft timing mark aligns with the Top Dead Center (TDC) mark on the front cover, and the V8 marks on the camshaft sprockets are at 12 o-clock as shown. 

    image
    Fig. Crankshaft timing marks-4.7L engine


    image
    Fig. Camshaft positioning-4.7L engine
  5. Remove or disconnect the following: 

    Crankshaft damper
    Front cover 

    image
    Fig. Cylinder head access plug locations-4.7L engine


    Click image to see an enlarged view
    Fig. Use the special tool to lock the timing chains on the idler gear-4.7L engine
  6. Lock the secondary timing chains to the idler sprocket with Timing Chain Locking tool 8515.
  7. Matchmark the secondary timing chains to the camshaft sprockets.
  8. Remove or disconnect the following:
    NOTE
    Each cylinder head is retained by ten 11mm bolts and four 8mm bolts.



    Secondary timing chain tensioners
    Cylinder head access plugs
    Secondary timing chain guides
    Camshaft sprockets
    Cylinder heads
To install:
Click image to see an enlarged view
Fig. Examine the head bolts for signs of stretching-4.7L engine


image 
Fig. Cylinder head torque sequence-4.7L engine
  1. Check the cylinder head bolts for signs of stretching and replace as necessary.
  2. Lubricate the threads of the 11mm bolts with clean engine oil.
  3. Coat the threads of the 8mm bolts with Mopar® Lock and Seal Adhesive.
  4. Install the cylinder heads. Use new gaskets and tighten the bolts, in sequence, as follows:
    1. Step 1: Bolts 1-10 to 15 ft. lbs. (20 Nm)
    2. Step 2: Bolts 1-10 to 35 ft. lbs. (47 Nm)
    3. Step 3: Bolts 11-14 to 18 ft. lbs. (25 Nm)
    4. Step 4: Bolts 1-10 plus 1 / 4 (90 degree) turn
    5. Step 5: Bolts 11-14 to 22 ft. lbs. (30 Nm)
  5. Install or connect the following:

    Camshaft sprockets. Align the secondary chain matchmarks and tighten the bolts to 90 ft. lbs. (122 Nm).
    Secondary timing chain guides
    Cylinder head access plugs
    Secondary timing chain tensioners. Refer to the timing chain procedure in this section.
  6. Remove the Timing Chain Locking tool 8515.
  7. Install or connect the following:

    Front cover
    Crankshaft damper. Torque the bolt to 130 ft. lbs. (175 Nm).
    Rocker arms
    Power steering pump
    Oil fill housing
    Accessory drive belt
    Engine cooling fan and shroud
    Valve covers
    Intake manifold
    Exhaust Y-pipe
    Negative battery cable
  8. Fill and bleed the cooling system.
  9. Start the engine, check for leaks and repair if necessary.


These details will help.
Thanks.           

FOR MORE HELP GO TO: ---

Car repair guide?

http://technoanswers.blogspot.in/2012/03/car-repair-guide.html


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