Ram 1500, 2500, 3500, 2WD and 4WD, 2001-2005

Camshaft, Bearings & Lifters

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Recover the A/C refrigerant, if equipped.
  4.  
  5. Drain the cooling system.
  6.  
  7. Remove or disconnect the following:
    NOTE
    Keep all valvetrain components in order for assembly.



    Negative battery cables
     
    Accessory drive belt and tensioner
     
    Cooling fan and shroud
     
    Radiator
     
    A/C condenser, if equipped
     
    Intercooler
     
    Auxiliary transmission cooler
     
    Upper radiator support
     
    Exhaust Gas Recirculation (EGR) tube
     
    Engine appearance cover
     
    Valve cover
     



    Rocker arms
     
    Pushrods
     
    Crankshaft pulley
     
    Front cover
     
    Lift pump
     

  8.  
  9. Insert dowel tools into the tappets. Raise the dowels and secure them with rubber bands.

    Click image to see an enlarged view

    Fig. Use dowel tools and rubber bands to hold the lifters up in the bore while removing the camshaft-5.9L diesel engine

    Use dowel tools and rubber bands to hold the lifters up in the bore while removing the camshaft-5.9L diesel engine
  10.  
  11. Unbolt the thrust plate and remove the camshaft.
  12.  
  13. Install Cummins Tappet Changing Tool 3822513 into the camshaft bore.
  14.  
  15. Remove the dowel tools and remove the tappets. If the tappets are to be reused, note their locations for assembly.
  16.  

To install:

Click image to see an enlarged view

Fig. Tappet installation tools-5.9L diesel engine

Tappet installation tools-5.9L diesel engine

  1. Insert the tappet installation tool into the pushrod bore. Use the tappet trough to pull the installation tool to the front of the engine block.
  2.  
  3. Attach a tappet to the installation tool and pull the tappet through the camshaft bore and into position in the tappet bore.
  4.  
  5. Rotate the trough so that the round side holds the tappet up in the tappet bore.
  6.  
  7. Remove the tappet installation tool and install a dowel tool to hold the tappet in place.
  8.  
  9. Repeat for each tappet to be installed.
  10.  
  11. Install or connect the following:

    Camshaft and thrust plate. Align the timing marks and tighten the bolts to 18 ft. lbs. (24 Nm).

    Click image to see an enlarged view

    Fig. Timing gear alignment marks-5.9L diesel engine

    Timing gear alignment marks-5.9L diesel engine
     
    Lift pump
     
    Front cover
     
    Crankshaft pulley. Tighten the bolt to 92 ft. lbs. (125 Nm).
     
    Pushrods
     
    Rocker arms
     
    Valve cover
     
    Engine appearance cover
     
    EGR tube
     
    Upper radiator support
     
    Auxiliary transmission cooler
     
    Intercooler
     
    A/C condenser, if equipped
     
    Radiator
     
    Cooling fan and shroud
     
    Accessory drive belt tensioner
     
    Accessory drive belt
     
    Negative battery cables
     

  12.  
  13. Fill the cooling system.
  14.  
  15. Start the engine and check for leaks.
  16.  

3.7L & 4.7L Engines
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove or disconnect the following:
    NOTE
    Keep all valvetrain components in order for assembly.



    Negative battery cable
     
    Cylinder head covers
     
    Rocker arms
     
    Hydraulic lash adjusters
     

  4.  
  5. Set the engine at Top Dead Center (TDC) of the compression stroke for the No. 1 cylinder.
  6.  
  7. Install Timing Chain Wedge (8350 4.7L; 8379 3.7L) to retain the chain tensioners.

    Click image to see an enlarged view

    Fig. Chain Tensioner Retaining Wedges-3.7L and 4.7L engines

    Chain Tensioner Retaining Wedges-3.7L and 4.7L engines
  8.  
  9. Matchmark the timing chains to the camshaft sprockets.
  10.  
  11. Install Camshaft Holding Tool (6958 and Adapter Pins 8346 4.7L; 8428 3.7L) to the left camshaft sprocket.
  12.  
  13. On 3.7L engines, use tool 8428 and rotate the camshaft 5 degrees clockwise to eliminate valve load.
  14.  
  15. On 4.7L engines, use adjustable pliers to rotate the left camshaft 15 degrees clockwise to eliminate valve load. Use adjustable pliers to rotate the right camshaft 45 degrees counterclockwise to eliminate valve load.
  16.  
  17. Remove or disconnect the following:

    Right camshaft timing sprocket and target wheel
     
    Left camshaft sprocket
     
    Camshaft bearing caps, by reversing the tightening sequence
     
    Camshafts

    Click image to see an enlarged view

    Fig. Hold the left camshaft sprocket with a spanner wrench while removing or installing the camshaft sprocket bolts-4.7L engine

    Hold the left camshaft sprocket with a spanner wrench while removing or installing the camshaft sprocket bolts-4.7L engine

    Click image to see an enlarged view

    Fig. Camshaft bearing cap bolt tightening sequence-3.7L

    Camshaft bearing cap bolt tightening sequence-3.7L

    Click image to see an enlarged view

    Fig. Camshaft bearing cap bolt tightening sequence-4.7L engine

    Camshaft bearing cap bolt tightening sequence-4.7L engine
     

  18.  

To install:

  1. Install or connect the following:

    Camshafts. Torque the bearing cap bolts in 1 / 2 turn increments, in sequence, to 100 inch lbs. (11 Nm).
     
    Target wheel to the right camshaft
     
    Camshaft timing sprockets and chains, by aligning the matchmarks
     

  2.  
  3. Remove the tensioner wedges and tighten the camshaft sprocket bolts to 90 ft. lbs. (122 Nm).
  4.  
  5. Install or connect the following:

    Hydraulic lash adjusters in their original locations
     
    Rocker arms in their original locations
     
    Cylinder head covers
     
    Negative battery cable

    Click image to see an enlarged view

    Fig. Turn the camshaft with pliers, if needed, to align the dowel in the sprocket-4.7L engine

    Turn the camshaft with pliers, if needed, to align the dowel in the sprocket-4.7L engine
     

  6.  

3.9L, 5.2L & 5.9L Engines
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Recover the A/C refrigerant, if equipped with air conditioning.
  6.  
  7. Set the crankshaft to Top Dead Center (TDC) of the compression stroke for the No. 1 cylinder.
  8.  
  9. Remove or disconnect the following:
    NOTE
    Keep all valvetrain components in order for assembly.



    Negative battery cable
     
    Accessory drive belt
     
    Power steering pump
     
    Water pump
     
    Radiator
     
    A/C condenser
     
    Grille
     
    Crankshaft damper
     
    Front cover
     
    Valve covers
     
    Distributor
     
    Intake manifold
     



    Rocker arms and pushrods
     
    Hydraulic lifters
     
    Timing chain and sprockets
     
    Camshaft thrust plate and chain oil tab
     
    Camshaft

    Click image to see an enlarged view

    Fig. Camshaft holding tool C-3509-3.9L, 5.2L and 5.9L engines

    Camshaft holding tool C-3509-3.9L, 5.2L and 5.9L engines
     

  10.  

To install:

  1. Install or connect the following:

    Camshaft
     
    Camshaft Holding Tool C-3509
     
    Camshaft thrust plate and chain oil tab. Tighten the bolts to 18 ft. lbs. (24 Nm).
     
    Timing chain and sprockets. Tighten the camshaft sprocket bolt to 50 ft. lbs. (68 Nm).
     

  2.  
  3. Remove the camshaft holding tool.
  4.  
  5. Install or connect the following:

    Hydraulic lifters in their original positions
     
    Rocker arms and pushrods in their original positions
     
    Intake manifold
     
    Distributor
     
    Valve covers
     
    Front cover
     
    Crankshaft damper
     
    Grille
     
    A/C condenser
     
    Radiator
     
    Water pump
     
    Power steering pump
     
    Accessory drive belt
     
    Negative battery cable
     

  6.  
  7. Fill the cooling system.
  8.  
  9. Recharge the A/C system, if equipped.
  10.  
  11. Start the engine and check for leaks.
  12.  

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Recover the A/C refrigerant, if equipped with air conditioning.
  6.  
  7. Set the crankshaft to Top Dead Center (TDC) of the compression stroke for the No. 1 cylinder.
  8.  
  9. Remove or disconnect the following:
    NOTE
    Keep all valvetrain components in order for assembly.



    Negative battery cable
     
    Accessory drive belt
     
    Power steering pump
     
    Water pump
     
    Radiator
     
    A/C condenser
     
    Grille
     
    Crankshaft damper
     
    Front cover
     
    Valve covers
     
    Distributor
     
    Intake manifold
     



    Rocker arms and pushrods
     
    Hydraulic lifters
     
    Timing chain and sprockets
     
    Camshaft thrust plate and chain oil tab
     
    Camshaft

    Click image to see an enlarged view

    Fig. Camshaft holding tool C-3509-3.9L, 5.2L and 5.9L engines

    Camshaft holding tool C-3509-3.9L, 5.2L and 5.9L engines
     

  10.  

To install:

  1. Install or connect the following:

    Camshaft
     
    Camshaft Holding Tool C-3509
     
    Camshaft thrust plate and chain oil tab. Tighten the bolts to 18 ft. lbs. (24 Nm).
     
    Timing chain and sprockets. Tighten the camshaft sprocket bolt to 50 ft. lbs. (68 Nm).
     

  2.  
  3. Remove the camshaft holding tool.
  4.  
  5. Install or connect the following:

    Hydraulic lifters in their original positions
     
    Rocker arms and pushrods in their original positions
     
    Intake manifold
     
    Distributor
     
    Valve covers
     
    Front cover
     
    Crankshaft damper
     
    Grille
     
    A/C condenser
     
    Radiator
     
    Water pump
     
    Power steering pump
     
    Accessory drive belt
     
    Negative battery cable
     

  6.  
  7. Fill the cooling system.
  8.  
  9. Recharge the A/C system, if equipped.
  10.  
  11. Start the engine and check for leaks.
  12.  

5.7L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Recover the A/C refrigerant, if equipped with air conditioning.
  6.  
  7. Set the crankshaft to Top Dead Center (TDC) of the compression stroke for the No. 1 cylinder.
  8.  
  9. Remove or disconnect the following:

    Negative battery cable
     
    Camshaft rear cam bearing core plug
     
    Air cleaner
     
    Accessory drive belt
     
    Alternator
     
    A/C compressor
     
    Radiator
     
    Intake manifold
     
    Cylinder head covers
     
    Cylinder heads
     
    Oil pan
     
    Front cover
     
    Oil pickup tube
     
    Oil pump
     
    Timing chain and sprockets
     
    Camshaft thrust plate
     
    Hydraulic lifters
     
    Camshaft
     

  10.  

To install:

  1. Install or connect the following:
    NOTE
    Lifters must be replaced in their original positions.



    Camshaft
     
    Camshaft thrust plate. Tighten the bolts to 21 ft. lbs. (28 Nm).
     
    Timing chain and sprockets
     
    Oil pump
     
    Oil pickup tube
     



    Hydraulic lifters
     
    Cylinder heads
     
    Pushrods
     
    Rocker arms
     
    Front cover
     
    Oil pan
     
    Cylinder head covers
     
    Intake manifold
     
    A/C compressor
     
    Alternator
     
    Accessory drive belt
     
    Radiator
     
    Air cleaner
     
    Camshaft rear cam bearing core plug
     
    Negative battery cable
     

  2.  
  3. Fill the cooling system.
  4.  
  5. Recharge the A/C system, if equipped.
  6.  
  7. Start the engine and check for leaks.
  8.  

8.0L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Recover the A/C refrigerant, if equipped with air conditioning.
  4.  
  5. Drain the cooling system.
  6.  
  7. Relieve the fuel system pressure.
  8.  
  9. Remove or disconnect the following:
    NOTE
    Keep all valvetrain components in order for assembly.



    Negative battery cable
     
    Valve covers
     
    Upper and lower intake manifolds
     



    Rocker arms
     
    Pushrods
     
    Cylinder heads
     
    Valve lifters
     
    Crankshaft pulley
     
    Front cover
     
    Timing chain and sprockets
     
    Camshaft thrust plate
     
    Camshaft
     

  10.  

To install:

  1. Install or connect the following:

    Camshaft
     
    Camshaft thrust plate
     
    Timing chain and sprockets. Tighten the bolt to 55 ft. lbs. (75 Nm).
     
    Front cover
     
    Crankshaft pulley
     
    Valve lifters
     
    Cylinder heads
     
    Pushrods
     
    Rocker arms
     
    Upper and lower intake manifolds
     
    Valve covers
     
    Negative battery cable
     

  2.  
  3. Fill the cooling system.
  4.  
  5. Recharge the A/C system, if equipped.
  6.  
  7. Start the engine and check for leaks.
  8.  

 
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