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Home >> Dodge and Ram >> 2023 >> ProMaster 2500 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.6L Engine (Service Information) (2 Of 2) >> Engine Block >> Ring(S), Piston >> Removal

Ring(S), Piston: Removal

GC0144293Courtesy of CHRYSLER GROUP, LLC
NOTE:

Typical piston shown.

  1. Remove the piston and connecting rod(s). Refer to PISTON FITTING .
    CAUTION:

    To avoid damage to the piston rings, they must be removed in the following order:

    • No. 1 (upper) piston ring (1)
    • No. 2 (intermediate) piston ring (2)
    • Oil ring upper side rail (3)
    • Oil ring lower side rail (4)
    • Oil ring expander (5)
    GC0081636Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Typical piston shown.

  2. Remove the No. 1 (upper) piston ring using a ring expander tool.
  3. Remove the No. 2 (intermediate) piston ring using a ring expander tool.
    GC0081637Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Typical piston shown. Do not use a piston ring expander to remove the oil ring side rails.

  4. Remove the oil ring upper side rail.
  5. Remove the oil ring lower side rail.
  6. Remove the oil ring expander (1).
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