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Standard Procedure - Piston Ring Fitting

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Measuring Piston Ring End Gap
GC0104500Courtesy of CHRYSLER GROUP, LLC
  1. Wipe the cylinder bore clean.
  2. Using a piston, to ensure that the ring is squared in the cylinder bore, slide the ring downward into the cylinder to a position 12 mm (0.50 in.) from the bottom of the cylinder bore.
  3. Using a feeler gauge (1), check the ring end gap. Replace any rings not within specification.
    Ring Position Ring End Gap
    No. 1 (top) Ring 0.25 - 0.40 mm (0.010 - 0.016 in.)
    No. 2 (center) Ring 0.30 - 0.45 mm (0.012 - 0.018 in.)
    Oil Control Ring (Steel Rail) 0.15 - 0.66 mm (0.006- 0.26 in.)
    Fig 2: Checking Piston Ring Grooves Clearances
    GC0104501Courtesy of CHRYSLER GROUP, LLC
  4. Clean the piston ring grooves. Remove any nicks or burrs.
  5. Measure the ring side clearance as shown in illustration. Make sure the feeler gauge (1) fits snugly between the ring land and the ring. Replace any ring not within specification.
Ring Position Ring Side Clearance
No. 1 (top) Ring 0.025 - 0.033 mm (0.0010 - 0.0013 in.)
No. 2 (center) Ring 0.030 - 0.078 mm (0.0012 - 0.0031 in.)
Oil Control Ring (Steel Rails) 0.007 - 0.173 mm (.0003 - 0.0068 in.)
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