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Camshaft, Engine: Installation: Camshaft

WARNING: This page is about a different variant/trim than selected.
CAUTION:

The 6.4L engine uses a unique camshaft for use with the Multi Displacement System (MDS). When installing a new camshaft, the replacement camshaft must be compatible with MDS.

CAUTION:

Use care when installing the camshaft into the engine block, do not damage the camshaft bearings with the camshaft lobes.

Fig 1: Removing/Installing Camshaft
GC0092120Courtesy of CHRYSLER GROUP, LLC
  1. Lubricate the camshaft lobes (1) and the camshaft bearing journals with clean engine oil.
  2. Install a long bolt (2) into the front of the camshaft to aid in the installation, carefully install the camshaft into the engine block.
    Fig 2: Camshaft Thrust Plate
    GC0088060Courtesy of CHRYSLER GROUP, LLC
  3. Install the camshaft thrust plate (1) and tighten retaining bolts to 12 N.m (106 in. lbs.).
    Fig 3: Timing Chain, Sprockets, Timing Chain Tensioner & Guide
    GC0088059Courtesy of CHRYSLER GROUP, LLC
  4. Install the timing chain and camshaft phaser. Refer to CHAIN AND SPROCKETS, TIMING, INSTALLATION .
  5. Using a suitable dial indicator, measure the camshaft end play. Refer to ENGINE SPECIFICATIONS . If not within specification, install a new thrust plate.
    Fig 4: Remove/Install Oil Pump
    GC0081833Courtesy of CHRYSLER GROUP, LLC
  6. Install the oil pump. Refer to PUMP, ENGINE OIL, INSTALLATION .
    Fig 5: Front Cover Slide Bushings
    GC0081832Courtesy of CHRYSLER GROUP, LLC
  7. Install the engine timing cover. Refer to COVER(S), ENGINE TIMING, INSTALLATION .
  8. Raise and support vehicle.
    Fig 6: Integral Windage Tray, Oil Pump Pickup Tube & Bolts
    GC0144561Courtesy of CHRYSLER GROUP, LLC
  9. Install the oil pump pickup tube (2) and oil pan. Refer to PAN, OIL, INSTALLATION .
    Fig 7: A/C Condenser & Radiator
    GC0096070Courtesy of CHRYSLER GROUP, LLC
  10. Install the A/C condenser (7). Refer to CONDENSER, A/C, INSTALLATION .
  11. Install the radiator (12). Refer to RADIATOR, ENGINE COOLING, INSTALLATION .
  12. Install the A/C compressor. Refer to COMPRESSOR, A/C, INSTALLATION .
    Fig 8: Generator & Retaining Bolt
    GC0080022Courtesy of CHRYSLER GROUP, LLC
  13. Install the generator. Refer to GENERATOR, INSTALLATION .
    CAUTION:

    The 6.4L Multi Displacement System (MDS) engine uses both standard roller lifters and deactivating roller lifters. The deactivating roller lifters must be used in cylinders 1, 4, 6, 7. The deactivating lifters can be identified by the two holes in the side of the lifter body, for the latching pins.

    CAUTION:

    Whenever the camshaft is replaced, all lifters must be replaced. If the lifter and retainer assemblies are to be reused, identify the lifters to ensure installation in their original location or engine damage could result.

    CAUTION:

    The lifter and retainer assembly must be installed as a unit.

    Fig 9: Hydraulic Lifters/Tappets & Retainer/Guide Holder
    GC0137530Courtesy of CHRYSLER GROUP, LLC
  14. Install the lifters (2) and retainer (1) as an assembly into their original location. Refer to LIFTER(S), HYDRAULIC, ROLLER, INSTALLATION .
    Fig 10: Cylinder Head & Gasket
    GC0080293Courtesy of CHRYSLER GROUP, LLC
  15. Install both cylinder heads (2). Refer to CYLINDER HEAD, INSTALLATION .
  16. Install the pushrods in the same location as removed.
  17. Install the rocker arms. Refer to ROCKER ARM, VALVE, INSTALLATION .
    Fig 11: Cylinder Head Cover Removal/Tightening Sequence
    GC0080292Courtesy of CHRYSLER GROUP, LLC
  18. Install the cylinder head covers. Refer to COVER(S), CYLINDER HEAD, INSTALLATION .
    Fig 12: Identifying Drive Belt Tensioners & Assembly With Drive Belt
    GC0083837Courtesy of CHRYSLER GROUP, LLC
  19. Install the accessory drive belt. Refer to BELT, SERPENTINE, INSTALLATION .
    Fig 13: Air Duct Retaining Clamp, Intake Air Temperature Sensor Electrical Connector, Makeup Air Hose, Bolt & Air Cleaner Housing
    GC0148444Courtesy of CHRYSLER GROUP, LLC
  20. Install the air cleaner housing (5) and clean air tube (1).
    Fig 14: Negative Battery Cable
    GC0139402Courtesy of CHRYSLER GROUP, LLC
  21. Install the negative battery cable.
  22. Fill the cooling system with the specified type and amount of engine coolant. Refer to STANDARD PROCEDURE .
    Fig 15: Engine Covers
    GC0148445Courtesy of CHRYSLER GROUP, LLC
  23. Fill the crankcase with the specified type and amount of engine oil. Refer to STANDARD PROCEDURE  .
  24. Install engine covers (1).
  25. Start the engine and check for leaks.
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