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Home › Dodge and Ram › 2021 › ProMaster 2500 › Repair and Diagnosis › Engine Mechanical › Mechanical › 3.6L Engine (Service Information) › Valve Timing › Cover(S), Engine Timing › Removal

Cover(S), Engine Timing: Removal

NOTE:

It is NOT necessary to remove the water pump, thermostat or the coolant outlet housing for engine timing cover removal. These components only need to be removed if replacing the timing cover.

  1. Disconnect and isolate the negative battery cable.
  2. Drain the cooling system. Refer to STANDARD PROCEDURE .
  3. Remove the right and left cylinder head covers. Refer to COVER(S), CYLINDER HEAD, REMOVAL .
    GC0144270Courtesy of CHRYSLER GROUP, LLC
  4. Remove the upper radiator hose (2) from the thermostat housing (1).
    GC0144271Courtesy of CHRYSLER GROUP, LLC
  5. Remove the heater core return hose (1) from the water pump housing.
  6. Remove the lower radiator hose (2) from the water pump housing.
    GC0144272Courtesy of CHRYSLER GROUP, LLC
  7. Remove the heater core supply hose (1) from the coolant outlet housing (2).
    GC0144401Courtesy of CHRYSLER GROUP, LLC
  8. Remove the bolts (2) and reposition the heater core supply tube (1).
  9. Remove the accessory drive belt. Refer to BELT, SERPENTINE, REMOVAL .
  10. Remove the accessory drive belt tensioner. Refer to TENSIONER, BELT, REMOVAL .
  11. Remove the accessory idler pulley. Refer to PULLEY, IDLER, REMOVAL .
  12. Remove the crankshaft vibration damper. Refer to DAMPER, VIBRATION, REMOVAL .
  13. Remove only the lower oil pan, the upper may remain in place. Refer to PAN, OIL, REMOVAL .
    GC0183994Courtesy of CHRYSLER GROUP, LLC
  14. Remove the five oil pan to timing cover bolts (1).
    NOTE:

    Four of the five front bolts are accessed through the lower oil pan opening.

  15. Remove the right engine mount isolator and bracket. Refer to INSULATOR, ENGINE MOUNT, REAR, REMOVAL .
    GC0144966Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    It is not necessary to remove the water pump or the coolant outlet housing for engine timing cover removal.

  16. Remove the twenty-two M6 bolts (3) and one M8 bolt (4) from the timing cover.
    GC0144269Courtesy of CHRYSLER GROUP, LLC
  17. Using the seven indicated pry points, carefully remove the timing cover.
    NOTE:

    If necessary, the use of a heat gun may assist in removing the timing cover.

    GC0144267Courtesy of CHRYSLER GROUP, LLC
  18. If required, remove the remaining four M6 bolts (2) and the coolant outlet housing (1) from the engine timing cover.
  19. If required, remove the remaining four M6 bolts (4) and the water pump (3) from the engine timing cover.
    GC0144268Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    Do not use oil based liquids, wire brushes, abrasive wheels or metal scrapers to clean the engine gasket surfaces. Use only isopropyl (rubbing) alcohol, along with plastic or wooden scrapers. Improper gasket surface preparation may result in engine fluid leakage.

  20. Remove all residual sealant from the timing chain cover, cylinder head and engine block mating surfaces. Refer to STANDARD PROCEDURE .
    GC0184003Courtesy of CHRYSLER GROUP, LLC
  21. Insert a shop cloth (1) into the front opening of the oil pan and remove all residual sealant (2) from the oil pan and engine block mating surfaces. Refer to STANDARD PROCEDURE .
    GC0144266Courtesy of CHRYSLER GROUP, LLC
  22. Remove and discard the coolant outlet housing gasket (1) and the water pump gasket (2).
    NOTE:

    Take this opportunity to measure timing chain wear. Refer to VALVE TIMING, STANDARD PROCEDURE .

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