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

Oil Pan

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the engine oil.
  4.  
  5. Remove or disconnect the following:

    Negative battery cables
     
    Starter motor
     
    Transmission
     
    Flywheel and transmission adapter plate.
     
    Oil pan bolts
     
    Oil pump suction tube
     
    Oil pan

    Click image to see an enlarged view

    Fig. Exploded view of the oil pan mounting-diesel engines

    Exploded view of the oil pan mounting-diesel engines
     

  6.  

To install:

  1. Install or connect the following:

    Oil pan
     
    Oil pump suction tube. Tighten the bolts to 18 ft. lbs. (24 Nm).
     
    Oil pan bolts. Tighten the bolts to 18 ft. lbs. (24 Nm).
     
    Flywheel and transmission adapter plate.
     
    Transmission
     
    Starter motor
     

  2.  
  3. Fill the crankcase to the correct level.
  4.  

3.7L, 4.7L & 5.7L Engines
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the engine oil.
  4.  
  5. Attach an engine crane.
  6.  
  7. Loosen, but don-t remove, the left and right mount through-bolts.
  8.  
  9. Remove or disconnect the following:

    Negative battery cable
     
    Structural cover
     
    Front crossmember
     

  10.  
  11. Raise the engine just enough for clearance.
  12.  
  13. Remove or disconnect the following:
    NOTE
    Don-t pry on the pan. The gasket is integral with the windage tray, and doesn-t come out with the pan.


    NOTE
    The double ended studs must be installed in their original locations.






    Pan bolts and studs
     
    Pan
     

  14.  

To install:

  1. Install or connect the following:

    Oil pan gasket
     
    Oil pan. Tighten the bolts, in sequence, to 105 inch lbs. (12 Nm).
     
    Front crossmember
     
    Structural cover
     
    Negative battery cable
     

  2.  
  3. Fill the crankcase to the proper level with engine oil.
  4.  
  5. Start the engine and check for leaks.

    Click image to see an enlarged view

    Fig. Oil pan bolt torque sequence-3.7L engine

    Oil pan bolt torque sequence-3.7L engine

    Click image to see an enlarged view

    Fig. Oil pan mounting bolt tightening sequence-4.7L engine

    Oil pan mounting bolt tightening sequence-4.7L engine

    Click image to see an enlarged view

    Fig. Oil pan alignment dowel placement-3.9L engine shown

    Oil pan alignment dowel placement-3.9L engine shown
  6.  

3.9L Engine
2-Wheel Drive
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the engine oil.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Distributor cap
     
    Oil dipstick
     
    Exhaust front pipe
     
    Flywheel access panel, if equipped
     
    Left and right motor mount through bolts
     
    Oil pan. Raise the engine as necessary for clearance.
     

  6.  

To install:

  1. Fabricate 4 alignment dowels from 1 1 / 2 inch x 1 / 4 inch bolts. Cut the heads off the bolts and cut a slot into the top of the dowel to allow installation/removal with a screwdriver.
  2.  
  3. Install or connect the following:

    Alignment dowels
     
    Oil pan. Replace the dowels with bolts and tighten all bolts to 17 ft. lbs. (23 Nm).
     
    Left and right motor mount through bolts
     
    Flywheel access panel, if equipped
     
    Exhaust front pipe
     
    Oil dipstick
     
    Distributor cap
     
    Negative battery cable
     

  4.  
  5. Fill the crankcase to the correct level.
  6.  
  7. Start the engine and check for leaks.
  8.  

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the engine oil.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Distributor cap
     
    Oil dipstick
     
    Exhaust front pipe
     
    Flywheel access panel, if equipped
     
    Left and right motor mount through bolts
     
    Oil pan. Raise the engine as necessary for clearance.

    Click image to see an enlarged view

    Fig. Oil pan alignment dowel placement-3.9L engine shown

    Oil pan alignment dowel placement-3.9L engine shown
     

  6.  

To install:

  1. Fabricate 4 alignment dowels from 1 1 / 2 inch x 1 / 4 inch bolts. Cut the heads off the bolts and cut a slot into the top of the dowel to allow installation/removal with a screwdriver.
  2.  
  3. Install or connect the following:

    Alignment dowels
     
    Oil pan. Replace the dowels with bolts and tighten all bolts to 17 ft. lbs. (23 Nm).
     
    Left and right motor mount through bolts
     
    Flywheel access panel, if equipped
     
    Exhaust front pipe
     
    Oil dipstick
     
    Distributor cap
     
    Negative battery cable
     

  4.  
  5. Fill the crankcase to the correct level.
  6.  
  7. Start the engine and check for leaks.
  8.  

4-Wheel Drive
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the engine oil.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Engine oil dipstick
     
    Front axle. Support the engine
     
    Exhaust front pipe
     
    Flywheel access panel, if equipped
     
    Oil pan
     

  6.  

To install:

  1. Fabricate 4 alignment dowels from 1 1 / 2 inch x 1 / 4 inch bolts. Cut the heads off the bolts and cut a slot into the top of the dowel to allow installation/removal with a screwdriver.
  2.  
  3. Install or connect the following:

    Alignment dowels
     
    Oil pan. Replace the dowels with bolts and tighten all bolts to 17 ft. lbs. (23 Nm).
     
    Flywheel access panel, if equipped
     
    Exhaust front pipe
     
    Front axle
     
    Engine oil dipstick
     
    Negative battery cable
     

  4.  
  5. Fill the crankcase to the correct level.
  6.  
  7. Start the engine and check for leaks.
  8.  

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the engine oil.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Engine oil dipstick
     
    Front axle. Support the engine
     
    Exhaust front pipe
     
    Flywheel access panel, if equipped
     
    Oil pan
     

  6.  

To install:

  1. Fabricate 4 alignment dowels from 1 1 / 2 inch x 1 / 4 inch bolts. Cut the heads off the bolts and cut a slot into the top of the dowel to allow installation/removal with a screwdriver.
  2.  
  3. Install or connect the following:

    Alignment dowels
     
    Oil pan. Replace the dowels with bolts and tighten all bolts to 17 ft. lbs. (23 Nm).
     
    Flywheel access panel, if equipped
     
    Exhaust front pipe
     
    Front axle
     
    Engine oil dipstick
     
    Negative battery cable
     

  4.  
  5. Fill the crankcase to the correct level.
  6.  
  7. Start the engine and check for leaks.
  8.  

5.2L & 5.9L Engines
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the engine oil.
  4.  
  5. Remove or disconnect the following:

    Oil filter
     
    Starter motor
     
    Cooler lines
     
    Oil level sensor connector
     
    Heated Oxygen (HO 2 S) sensor connector
     
    Exhaust Y-pipe
     
    Oil pan

    Click image to see an enlarged view

    Fig. Oil pan alignment dowels-3.9L, 5.2L, 5.9L and 8.0L engines

    Oil pan alignment dowels-3.9L, 5.2L, 5.9L and 8.0L engines
     

  6.  

To install:

  1. Install or connect the following:

    Oil pan, using a new gasket. Tighten the bolts to 18 ft. lbs. (24 Nm).
     
    Exhaust Y-pipe
     
    Heated Oxygen (HO 2 S) sensor connector
     
    Oil level sensor connector
     
    Cooler lines
     
    Starter motor
     
    Oil filter
     

  2.  
  3. Fill the crankcase.
  4.  
  5. Start the engine and check for leaks.
  6.  

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the engine oil.
  4.  
  5. Remove or disconnect the following:

    Oil filter
     
    Starter motor
     
    Cooler lines
     
    Oil level sensor connector
     
    Heated Oxygen (HO 2 ) sensor connector
     
    Exhaust Y-pipe
     
    Oil pan

    Click image to see an enlarged view

    Fig. Oil pan alignment dowels-3.9L, 5.2L and 5.9L engines

    Oil pan alignment dowels-3.9L, 5.2L and 5.9L engines
     

  6.  

To install:

  1. Install or connect the following:

    Oil pan, using a new gasket. Tighten the bolts to 18 ft. lbs. (24 Nm).
     
    Exhaust Y-pipe
     
    Heated Oxygen (HO 2 ) sensor connector
     
    Oil level sensor connector
     
    Cooler lines
     
    Starter motor
     
    Oil filter
     

  2.  
  3. Fill the crankcase.
  4.  
  5. Start the engine and check for leaks.
  6.  

8.0L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the engine oil.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Engine oil dipstick
     
    Left transmission brace
     
    Oil pan
     

  6.  

To install:

  1. Install or connect the following:

    Oil pan. Tighten the 5 / 16 bolts to 12 ft. lbs. (16 Nm) and the 1 / 4 bolts to 96 inch lbs. (11 Nm).
     
    Left transmission brace
     
    Engine oil dipstick
     
    Negative battery cable
     

  2.  
  3. Fill the crankcase.
  4.  
  5. Start the engine and check for leaks.
  6.  

 
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