Chrysler 2004 Concorde Service Manual page 998

9 - 46 ENGINE
CRANKSHAFT MAIN BEARINGS (Continued)
The marks for the cylinder block main bore grade
are located on the left side pan rail, just rear of the
left engine mount bracket (Fig. 65). These grade
marks (1, 2, or 3) are read left to right, corresponding
to main bore 1, 2, 3, 4.
The grade marks for the crankshaft are located on
the rearmost crankshaft counter weight as shown in
(Fig. 66). The crankshaft journal grade marks (A, B,
or C) are read left to right, corresponding with jour-
nal number 1, 2, 3, 4.
Refer to the MAIN
CHART—3.2/3.5L to properly select the main bear-
ings. For an example, if the main bore grade is 3 and
the journal grade is B, the proper select fit bearing
would be a (2) +0.003 mm (+0.0002 in.).
NOTE: Service main bearings have a number from
(1–5) marked in ink on the bearing surface (Fig. 67).
For verification, refer to the MAIN BEARING SELEC-
TION CHART—3.2/3.5L for number to size identifica-
tion.
The upper main bearing has a oil feed hole and a
center groove to allow lubrication of the main journal
and must be properly positioned in the block.
Fig. 65 Cylinder Block Main Bore Grade Marking
BEARING SELECTION
Location
Fig. 66 Crankshaft Main Journal Grade Marking
Location - Rear Of Block (Inverted) View
Fig. 67 Main Bearing Grade Marks
1 - LOWER MAIN BEARING
2 - UPPER MAIN BEARING
3 - OIL FEED HOLE AND GROOVE
4 - GRADE SELECTION INK MARKS
LH