Chrysler 1998 Voyager Service Manual page 1148

9 - 98 3.3/3.8L ENGINE
SERVICE PROCEDURES (Continued)
Ring Position
Upper Ring
Intermediate Ring
Oil Control Ring
Fig. 9 Check Gap on Piston Rings
Fig. 10 Measuring Piston Ring Side Clearance
with an old bearing half. Do not file the rods or
bearing caps.
(1) Follow procedure specified in the Standard Ser-
vice Procedure Section for Measuring Main Bearing
Clearance and Connecting Rod Bearing Clearance
(Fig. 11).
NOTE: The rod bearing bolts should be examined
before reuse. If the threads are necked down the
bolts should be replaced (Fig. 13). Necking can be
checked by holding a scale or straight edge against
PISTON RING SPECIFICATION CHART
Ring Gap
0.30 - 0.55 mm 1.0 mm (0.039 in.)
(0.012 - 0.022 in.)
0.30 - 0.55 mm 1.0 mm (0.039 in.)
(0.012 - 0.022 in.)
0.25 - 1.00 mm 1.88 mm (0.074 in.)
(0.010 - 0.039 in.)
Wear Limit Groove Clearance
0.030 - 0.085 mm
(0.001 - 0.003 in.)
0.030 - 0.095 mm
(0.001 - 0.0037 in.)
0.014 - 0.266 mm
(0.0005 - 0.009 in.)
Fig. 11 Checking Connecting Rod Bearing
the threads. If all the threads do not contact the
scale the bolt should be replaced.
(2) Before installing the nuts the threads should
be oiled with engine oil.
(3) Install nuts finger tight on each bolt then alter-
nately torque each nut to assemble the cap properly.
(4) Tighten the nuts to 54 N·m PLUS 1/4 turn (40
ft. lbs. PLUS 1/4 turn).
(5) Using a feeler gauge, check connecting rod side
clearance (Fig. 12). Refer to Connecting Rod Specifi-
cation Chart.
FITTING MAIN BEARINGS
CRANKSHAFT OIL CLEARANCE
Measure the journal outside diameter as shown in
(Fig. 14). Refer to Crankshaft Specification Chart.
Maximum Clearance
0.10 mm (0.004 in.)
0.10 mm (0.004 in.)
0.266 mm (0.009 in.)
Clearance
NS