Grand Cherokee 2WD L6-4.0L VIN S (1997)
3. The second compression ring has a slight chamfer on the bottom of the inside edge and a dot on the top for correct installation.
4. Using a ring installer, install the second compression ring with the dot facing up.
5. Using a ring installer, install the top compression ring (either side up).
RING GAP ORIENTATION
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Position the gaps on the piston as shown.
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Oil spacer - Gap on center line of piston skirt.
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Oil rails - gap 180° apart on centerline of piston pin bore.
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No. 2 Compression ring - Gap 180° from top oil rail gap.
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No. 1 Compression ring - Gap 180° from No. 2 compression ring gap.
