Durango 2WD V8-4.7L VIN N (2001)
9. Install upper side rail (Fig. 79) by placing one end between the piston ring groove and the expander ring. Hold end firmly and press down the
portion to be installed until side rail is in position. Repeat this step for the lower side rail.
10. Install No. 2 intermediate piston ring using a piston ring installer (Fig. 80).
11. Install No. 1 upper piston ring using a piston ring installer (Fig. 80).
12. Position piston ring end gaps as shown in (Fig. 81). It is important that expander ring gap is at least 45°from the side rail gaps, but not on the
piston pin center or on the thrust direction.