Chrysler 1998 Voyager Service Manual page 1249

NS/GS
REMOVAL AND INSTALLATION (Continued)
Fig. 60 Piston Ring Side Clearance
Fig. 61 Piston Ring Identification
assembly, determined by the numbers stamped on
the crown of individual pistons. Engine cylinders are
numbered starting from gear train end of the engine.
Face chamber recess side of piston towards
camshaft. Therefore, the numbers stamped on con
rod big end should also face in the same direction. To
insert piston into cylinder, use a ring compressor as
shown in (Fig. 63).
PISTON PIN—INSTALLATION
(1) Secure connecting rod in soft jawed vice.
(2) Lubricate piston pin and piston with clean oil.
(3) Position piston on connecting rod.
CAUTION: Ensure combustion recess in piston
crown and the bearing cap numbers on the con-
necting rod are on the same side.
(4) Install piston pin.
(5) Install clips in piston to retain piston pin.
(6) Remove connecting rod from vice.
PISTON—INSTALLATION
(1) Before installing pistons, and connecting rod
assemblies into the bore, be sure that compression
ring gaps are staggered so that neither is in line with
oil ring rail gap (Fig. 62).
Fig. 62 Piston Ring Gap Location
Fig. 63 Installing Piston
(2) Before installing the ring compressor, make
sure the oil ring expander ends are butted and the
rail gaps located as shown in (Fig. 62).
(3) Immerse the piston head and rings in clean
engine oil, slide the ring compressor, over the piston
and tighten with the special wrench (Fig. 63).
Ensure position of rings does not change dur-
ing this operation.
ENGINE 9 - 71