Chrysler 1997 Stratus Convertible RHD Service Manual page 794

PISTON
9 - 58 2.5L ENGINE
SERVICE PROCEDURES (Continued)
Fig. 3 Measure Cylinder Bore
Fig. 4 Measure Piston
(1) Bore to specified clearance between the piston
O.D. and cylinder. The measuring point of the piston
O.D. is shown in (Fig. 4).
(2) Based on measured piston O.D., calculate bor-
ing finish dimension. Boring finish dimension equals
piston O.D. plus 0.03 to 0.05 mm (.0012 to .002 inch)
(clearance between piston O.D. and cylinder) minus
0.02 mm which is the boring margin.
(3) Bore all cylinders to calculated boring finish
dimension. Then bore the final finish dimension (pis-
ton O.D. plus cylinder clearance).
(4) Check clearance between piston and cylinder,
clearance should be 0.02 to 0.04 mm (0.0008 to
0.0016 inch).
FITTING PISTONS
Measure approximately 2mm (.080 inch) above the
bottom of the piston skirt and across the thrust face
(Fig. 5). See Boring Cylinder Block.
FITTING PISTON RINGS
(1) Wipe cylinder bore clean. Insert ring and push
down with piston to ensure it is square in bore. The
ring gap measurement must be made with the ring
positioning at least 16mm (0.63 in.) from bottom of
O.D. MENT LOCATION MEASURE-
Fig. 5 Measuring Piston for Clearance andWear
cylinder bore. Check gap with feeler gauge (Fig. 6).
Refer to (Fig. 7) for specification.
Fig. 6 Check Gap on Piston Rings
Fig. 7 Piston Ring Specifications
(2) Check piston ring to groove clearance (Fig. 8);
Refer to Piston Ring Specification Chart (Fig. 7).
FEELER GAUGE
JX