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Home >> Dodge and Ram >> 2023 >> ProMaster 2500 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.6L Engine (Service Information) (2 Of 2) >> Engine Block >> Crankshaft >> Installation

Engine Block: Crankshaft: Installation

GC0144295Courtesy of CHRYSLER GROUP, LLC
  1. If required, select and fit new crankshaft main bearings to the engine block. Refer to MAIN BEARING FITTING .
  2. If required, select and fit new bearings to the connecting rod. Refer to CONNECTING ROD BEARING FITTING .
  3. If removed, install the target wheel (1) to the crankshaft with four new bolts (2). Ensure the threaded holes in the crankshaft are free of residual thread lock adhesive. Tighten the bolts to the proper specifications. Refer to TORQUE SPECIFICATIONS .
    GC0144291Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Typical V6 engine configuration shown.

  4. If removed, lubricate and install the upper main bearing halves (6) into the engine block (7).
    CAUTION:

    When installing the crankshaft, use care not to damage bearing surfaces on the crankshaft.

  5. Install the crankshaft (4) into the engine block (7).
    GC0095520Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Typical V6 engine configuration shown.

  6. Installing thrust washers (1) at the No. 2 main bearing location, using the following procedure:
    1. Move the crankshaft forward to the limit of travel. Lubricate and install the rear thrust washer (1) by rolling the washer onto the machined shelf between the No. 2 upper main bulk head and crankshaft thrust surface.
    2. Move the crankshaft rearward to the limit of travel. Lubricate and install the front thrust washer by rolling the washer onto the machined shelf between the No. 2 upper main bulk head and crankshaft thrust surface.
    GC0104468Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    The main bearing cap bolts are tightened using a torque plus angle procedure. The bolts must be examined BEFORE reuse. If the threads are necked down the bolts must be replaced.

  7. Check the main bearing cap bolts for necking by holding a scale or straight edge against the threads. If all the threads do not contact the scale (2) the bolt must be replaced.
    GC0144291Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Typical V6 engine configuration shown.

  8. If removed, lubricate and install the lower main bearing halves (3) onto the main caps (1).
  9. Install the main bearing caps (1) with two inner main bearing cap bolts (2).
    Fig 1: Inner Main Bearing Cap Bolts Tightening Sequence
    GC0144297Courtesy of CHRYSLER GROUP, LLC
  10. Tighten the inner main bearing cap bolts in the sequence shown to the proper specifications. Refer to TORQUE SPECIFICATIONS .
  11. Measure crankshaft end play. Refer to CRANKSHAFT END PLAY .
    GC0144279Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Typical V6 engine configuration shown.

  12. If removed, install the bearing shell (8) on the connecting rod with the tang inserted into the machined groove in the rod. Lubricate the bearing surface with clean engine oil.
  13. Remove the plastic guide plates (3) from the Guide Pins (7) and install the Guide Pins to the connecting rod.

    (Special tool #8189, Guide Pins)

    CAUTION:

    Care must be taken not to nick crankshaft journals, as engine damage may occur.

  14. Pull the connecting rod and piston toward the crankshaft until the connecting rod is seated on the crankshaft journal. Remove the guide pins.
    CAUTION:

    The connecting rod bolts must not be reused. Always replace the connecting rod bolts whenever they are loosened or removed.

  15. If removed, install the bearing shell (6) on the connecting rod cap (4) with the tang inserted into the machined groove in the cap. Lubricate the bearing surface with clean engine oil.
    NOTE:

    Do not lubricate the threads of the connecting rod cap bolts (5).

  16. Install the connecting rod cap and bearing with the tang on the same side as the rod. Tighten the NEW  connecting rod cap bolts (5) to the proper specifications. Refer to TORQUE SPECIFICATIONS .
  17. If required, check the connecting rod side clearance. Refer to CONNECTING ROD SIDE CLEARANCE .
  18. Repeat the previous steps for the remaining connecting rods.
    GC0144281Courtesy of CHRYSLER GROUP, LLC
  19. Install the windage tray (1) with eight main bearing cap bolts. Tighten the bolts in the sequence shown to the proper specifications. Refer to TORQUE SPECIFICATIONS .
  20. Install the Crankshaft Position (CKP) sensor. Refer to SENSOR, CRANKSHAFT POSITION, INSTALLATION .
    GC0144292Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Typical V6 engine configuration shown.

  21. Install the eight main bearing tie bolts. Tighten the bolts in the sequence shown to the proper specifications. Refer to TORQUE SPECIFICATIONS .
  22. Install the engine oil pump. Refer to PUMP, ENGINE OIL, INSTALLATION .
  23. Install the rear crankshaft oil seal. Refer to SEAL, CRANKSHAFT OIL, REAR, INSTALLATION .
  24. Install the timing chain and sprockets. Refer to CHAIN AND SPROCKETS, TIMING, INSTALLATION .
  25. Install the engine. Refer to INSTALLATION .
  26. If removed, install the oil filter and fill the engine crankcase with the proper oil to the correct level. Refer to ENGINE OIL SERVICE .
  27. Connect the negative battery cable.
  28. Fill the cooling system. Refer to COOLANT SYSTEM AIR EVACUATION .
  29. Operate the engine until it reaches normal operating temperature. Check cooling system for correct fluid level. Refer to STANDARD PROCEDURE .
NOTE:

The Cam/Crank Variation Relearn procedure must be performed using the scan tool anytime there has been a repair/replacement made to a powertrain system, for example: flywheel, valvetrain, camshaft and/or crankshaft sensors or components.

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