Grand Cherokee 2WD L6-242 4.0L VIN S MFI (1993)
Fig.19 Main Bearing Selection Chart (Journal 7).
The main bearing journal diameter is identified by a color-coded paint mark located on the adjacent cheek toward the rear (flanged) end of the crankshaft
,
except for the rear main journal mark which is located on the crankshaft rear flange. Color codes used to indicate journal and corresponding bearing
sizes are listed in Fig.16 through Fig.19.
