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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)) >> Valve Timing >> Chain And Sprockets, Timing >> Removal
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Chain And Sprockets, Timing: Removal

WARNING: This page is about a different variant/trim than selected.
GC0139402Courtesy of CHRYSLER GROUP, LLC
  1. Disconnect the negative battery cable.
  2. Raise and support the vehicle.
  3. Drain the cooling system.
    GC0144561Courtesy of CHRYSLER GROUP, LLC
  4. Remove the oil pan and oil pump pick up tube (2). Refer to REMOVAL  .
    GC0081832Courtesy of CHRYSLER GROUP, LLC
  5. Remove the engine timing cover. Refer to REMOVAL  .
  6. Verify the slide bushings (1) remain located in the engine timing cover during removal.
    GC0088058Courtesy of CHRYSLER GROUP, LLC
  7. Remove the oil pump retaining bolts (2) and remove the oil pump (1).
    GC0088128Courtesy of CHRYSLER GROUP, LLC
  8. Install the vibration damper bolt finger tight. Using a suitable socket and breaker bar, rotate the crankshaft to align the timing marks with the timing chain sprockets (1, 2).
    GC0088129Courtesy of CHRYSLER GROUP, LLC
  9. Retract the chain tensioner arm (1) until the hole in the arm lines up with the hole in the bracket.
    GC0088063Courtesy of CHRYSLER GROUP, LLC
  10. Install the Tensioner Pin (special tool #8514A, Pins, Tensioner) (1) into the chain tensioner holes.
    CAUTION:

    Never attempt to disassemble the camshaft phaser, severe engine damage could result.

    GC0088130Courtesy of CHRYSLER GROUP, LLC
  11. Remove the camshaft phaser retaining bolt (1) and remove the timing chain with the camshaft phaser and crankshaft sprocket.
    GC0088063Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Inspect the timing chain tensioner and timing chain guide shoes for wear and replace as necessary.

  12. If the timing chain tensioner is to be replaced, remove the retaining bolts (3) and remove the timing chain tensioner (2).
    GC0088131Courtesy of CHRYSLER GROUP, LLC
  13. If the timing chain guide (1) is to be replaced, remove the retaining bolts (2) and remove the timing chain guide (1).