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Home › Jeep › 2021 › Cherokee Altitude, FWD › Repair and Diagnosis › Engine Mechanical › Mechanical › 2.4L Engine (Service Information) › Valve Timing › Chain And Sprockets, Timing › Removal › Timing Chain

Timing Chain

  1. Remove the timing chain cover. Refer to REMOVAL  .
  2. Inspect the timing chain for stretching prior to removal. Refer to INSPECTION  .
    GC0171653Courtesy of CHRYSLER GROUP, LLC
  3. Position the number one cylinder piston to top-dead-center on the compression stroke.
    NOTE:

    If the timing chain plated links (2) can no longer be seen, the timing chain links corresponding to the timing marks must be marked prior to removal if the chain is to be reused.

  4. Mark chain link (2) corresponding to crankshaft timing mark (1).
    GC0156434Courtesy of CHRYSLER GROUP, LLC
  5. While maintaining this alignment, verify that the camshaft dowel (2) is at the 12 o'clock position. The dowel center line (1) will be 90° from the horizontal surface line at the top of the cylinder head (3).
    GC0171740Courtesy of CHRYSLER GROUP, LLC
  6. Mark the chain links (1) corresponding to camshaft and crankshaft timing marks (2).
    GC0171624Courtesy of CHRYSLER GROUP, LLC
  7. Reset the timing chain tensioner. Refer to ENGINE/VALVE TIMING/STANDARD PROCEDURE .
    GC0155886Courtesy of CHRYSLER GROUP, LLC
  8. Hold the camshaft stationary by the wrench flats (1).
    GC0156185Courtesy of CHRYSLER GROUP, LLC
  9. Using the (special tool #2074000090, Wrench, Camshaft Gear), remove the camshaft sprocket bolt (1).
  10. Once the sprocket (2) is clear of the alignment dowel, lower the sprocket and remove the timing chain.
    GC0169101Courtesy of CHRYSLER GROUP, LLC
  11. If required, remove the tensioner arm bolt (3), bushing and tensioner arm (4).
  12. If required, remove the fixed chain guide bolts (2) and the timing chain guide (1).
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