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Home >> Jeep >> 2021 >> Grand Cherokee Trackhawk >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (6.4L Engine (Service Information)) >> Installation
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Section 2 (6.4L Engine (Service Information)): Installation

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

If the original engine has experienced a catastrophic failure or an individual failure with the piston, cylinder bore, engine block, valve or valve seat, the intake manifold MUST be replaced with a new manifold.

CAUTION:

If the engine encounters a catastrophic failure, the engine oil cooler and lines must be replaced or damage to the new engine or components could result.

GC0080289Courtesy of CHRYSLER GROUP, LLC
NOTE:

Do not use air tools to install Engine Lift Fixture and Adapter (special tool #8984C, Fixture, Engine Lifting) (2, 4).

  1. Install the engine lift fixture (2) (special tool #8984C, Fixture, Engine Lifting) and adapter (special tool #8984-UPD, Adapter, Engine Lift) (4).
  2. Using a suitable engine hoist, lower the engine into the engine compartment.
  3. Automatic transmission equipped vehicles, align the engine with the transmission.
  4. Install two transmission bell housing to engine block bolts finger tight.
  5. Lower the engine assembly until the engine mounts rest in the engine cradle crossmember.
    GC0144614Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Left side shown, right side similar.

  6. Align the engine mounts, install both left/right engine mount to frame retaining bolts (2) and tighten to 68 N. m (50 ft. lbs.).
  7. Position both left and right engine mount heat shields (4), install the retaining nuts (3) and tighten to 27 N. m (20 ft. lbs.).
  8. Remove the engine hoist and the jack supporting the transmission.
  9. Raise and support the vehicle.
    GC0080287Courtesy of CHRYSLER GROUP, LLC
  10. Automatic transmission equipped vehicles, install the oil pan to transmission bolts (1) and tighten to 54 N. m (40 ft. lbs.).
    GC0080288Courtesy of CHRYSLER GROUP, LLC
  11. Install the remaining transmission bell housing to engine block bolts (2) and tighten to 68 N. m (50 ft. lbs.).
    GC0080286Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    It is essential that the correct length bolts are used to attach the converter to the flexplate. Bolts that are too long will damage the clutch surface inside the torque converter.

  12. Rotate the crankshaft in clockwise direction and install all torque converter to flexplate bolts (1) finger tight.
  13. Verify that the torque converter is pulled flush to the flexplate and tighten bolts to 88 N. m (65 ft. lbs.).
    GC0080285Courtesy of CHRYSLER GROUP, LLC
  14. Install the inspection cover (1) and tighten the retaining bolt (2) to 11 N. m (8 ft. lbs.).
    GC0095565Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    The Crankshaft Position (CKP) sensor is located at the right rear side of the engine block.

  15. Connect the CKP sensor electrical connector (1).
    GC0144624Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Left side shown, right side similar.

  16. Connect the right and left knock sensor (1) electrical connectors (3).
  17. Install the heat shield onto the right side knock sensor (shield snaps on/off sensor).
  18. Connect the transmission oil cooler lines to their retainers at the oil pan.
  19. Install the starter. Refer to 6.4L .
  20. Install the catalytic converters. Refer to CONVERTER, CATALYTIC, INSTALLATION .
  21. Install the generator. Refer to 6.4L .
  22. Install the A/C compressor. Refer to COMPRESSOR, A/C, REMOVAL .
    GC0095212Courtesy of CHRYSLER GROUP, LLC
  23. Install the lower radiator hose (1).
  24. Lower the vehicle.
    GC0080289Courtesy of CHRYSLER GROUP, LLC
  25. Remove the engine lift fixture (special tool #8984C, Fixture, Engine Lifting) (2) and adapter (special tool #8984-UPD, Adapter, Engine Lift) (4).
  26. Position the left and right side wiring harness.
  27. Install the Variable Valve Timing Solenoid (VVTS). Refer to SOLENOID, VARIABLE VALVE TIMING (VVTS), INSTALLATION .
    GC0144611Courtesy of CHRYSLER GROUP, LLC
  28. Position the heater core tube (3) into the water pump.
  29. Install the heater core tube retaining bolt (1) and tighten to 11 N. m (8 ft. lbs.).
  30. Connect the electrical connector to the coolant temperature (ECT) sensor (2).
    GC0148461Courtesy of CHRYSLER GROUP, LLC
  31. Connect the camshaft position sensor electrical connector (1).
    GC0095566Courtesy of CHRYSLER GROUP, LLC
  32. Connect the heater hoses (1, 2).
  33. Connect the ground wires to the rear of each cylinder head.
    GC0080072Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    The ignition capacitor (1) is attached to the rear of the left cylinder head.

  34. Connect the ignition capacitor (1) electrical connector (2).
    GC0080075Courtesy of CHRYSLER GROUP, LLC
  35. Position the ignition coil electrical harness and connect all ignition coil electrical connectors (1).
  36. Install the intake manifold. Refer to MANIFOLD, INTAKE, INSTALLATION .
    GC0148443Courtesy of CHRYSLER GROUP, LLC
  37. Position the power steering pump (4).
  38. Install the three power steering pump (4) mounting bolts (2) through the access holes in the pulley and tighten the bolts to 28 N. m (21 ft. lbs.).
    GC0095586Courtesy of CHRYSLER GROUP, LLC
  39. Connect the oil pressure sensor electrical connector (1).
    GC0095588Courtesy of CHRYSLER GROUP, LLC
  40. Connect the oil temperature sensor electrical connector (1).
  41. Install the generator. Refer to 6.4L .
    GC0145991Courtesy of CHRYSLER GROUP, LLC
  42. Position the coolant bottle (1) and install the coolant bottle retaining bolts (4). Tighten to 10 N. m (89 in. lbs.).
  43. Position the wire harness and secure to the right hand inner fender panel.
    GC0144483Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    Do not let the tensioner arm snap back to the freearm position, severe damage may occur to the tensioner.

  44. Rotate the accessory drive belt tensioner (8) clockwise until it contacts the stop and install the accessory drive belt (4) onto the pulleys, then slowly release the tensioner.
  45. Install the cooling fan. Refer to 3.6L/5.7L/6.4L .
    GC0148460Courtesy of CHRYSLER GROUP, LLC
  46. Position the oil cooler hose (4) and Install oil cooler hose clamp (3).
  47. Position the upper radiator hose (2) and Install the upper radiator hose clamp (1).
  48. Install the cowl panel cover and support. Refer to COVER, COWL PANEL, INSTALLATION .
  49. Fill the crankcase with the specified type and amount of engine oil. Refer to CAPACITIES AND RECOMMENDED FLUIDS, SPECIFICATIONS .
  50. Fill the cooling system with the specified type and amount of engine coolant. Refer to COOLANT SYSTEM AIR EVACUATION .
    GC0148445Courtesy of CHRYSLER GROUP, LLC
  51. Install the engine covers (1) onto the ball studs.
  52. Install the air cleaner housing assembly. Refer to BODY, AIR CLEANER, INSTALLATION .
  53. Raise and support the vehicle.
    GC0146313Courtesy of CHRYSLER GROUP, LLC
  54. Support the transmission with a suitable jack.
  55. Remove the bolts (2) and remove the transmission crossmember assembly (1).
  56. Install the front driveshaft. Refer to INSTALLATION .
  57. Lower the vehicle.
  58. Connect the negative battery cable.
  59. Fill the engine coolant. Refer to COOLANT SYSTEM AIR EVACUATION .
  60. Perform the Refrigerant System Charge procedure. Refer to REFRIGERANT SYSTEM CHARGE , or R-1234YF REFRIGERANT SYSTEM CHARGE .
  61. Start the engine and inspect for leaks.
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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