Chrysler 1998 Voyager Service Manual page 1113

NS
SERVICE PROCEDURES (Continued)
Fig. 3 Auto Lash Adjuster—Function Check
FITTING CONNECTING ROD BEARINGS
CONNECTING ROD CLEARANCE
(1) Following procedures specified in the Standard
Service Procedures Section for Measuring Main Bear-
ing Clearance and Connecting Rod Bearing Clear-
ance (Fig. 4). Refer to Connecting Rod Specification
Chart.
(2) Tighten nuts to 52 N·m (38 ft. lbs.).
(3) Remove connecting rod cap and measure Plas-
tigage (Fig. 4).
CAUTION: Do not rotate crankshaft or the Plasti-
gage may be smeared.
Fig. 4 Connecting Rod—Checking Bearing
Clearance
CONNECTING ROD SIDE CLEARANCE
Using a feeler gauge, check connecting rod side
clearance (Fig. 5). Refer to Connecting Rod Specifica-
tion Chart.
Fig. 5 Checking Connecting Rod Side Clearance
CONNECTING ROD SPECIFICATION CHART
Connecting Rod Bearing Oil Clearance
New Part: 0.018 - 0.036 mm
(0.0007 - 0.0014 in.)
Connecting Rod Side Clearance
New Part: 0.10 - 0.25 mm
(0.004 - 0.010 in.)
Wear Limit: 0.4 mm (0.015 in.)
FITTING MAIN BEARING
INSPECTION
Visually check the main and connecting rod bear-
ing journals for wear, scuffs or scoring and replace if
necessary.
CRANKSHAFT OIL CLEARANCE—
MECHANICAL MEASUREMENT
Measure the journal outside diameter and the
main bearing inside diameter (Fig. 6) & (Fig. 7). If
the clearance exceeds the specifications limit, replace
the main bearing(s) and if necessary replace the
crankshaft. Refer to Crankshaft Clearance Specifica-
tion Chart.
PLASTIGAGE MEASUREMENT
(1) Remove oil from journal and bearing shell.
(2) Install crankshaft.
(3) Cut plastigage to same length as width of the
bearing and place it in parallel with the journal axis
(Fig. 8).
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