Crankshaft Main Bearings; Standard Procedure - Crankshaft; Main Bearing Fitting - Chrysler 300M Service Manual

LH
CRANKSHAFT (Continued)
Fig. 63 Main Bearing Identification
Fig. 64 Thrust Washer Installation
1 - FRONT THRUST WASHER
(5) Lubricate lower main bearings with clean
engine oil.
NOTE: Lubricate main bearing cap bolts with
engine oil before installation.
(6) Install each main cap and tighten bolts finger
tight.
The main bearing cap bolts must be tightened in
the proper sequence. First the inner main cap bolts,
secondly the windage tray bolts, lastly the main cap
tie (horizontal) bolts.
(7) Install the inside main bearing cap bolts and
tighten to 20 N·m + 1/4 turn (15 ft. lbs. + 1/4 turn).
(8) Measure crankshaft end play. (Refer to 9 -
ENGINE/ENGINE BLOCK/CRANKSHAFT - STAN-
DARD PROCEDURE)
(9) Install connecting rods and measure side clear-
ance. (Refer to 9 - ENGINE/ENGINE BLOCK/CON-
NECTING ROD BEARINGS
PROCEDURE)
(10) Install windage tray. Lubricate bolts with
engine oil and tighten to 27 N·m + 1/4 turn (20 ft.
lbs. + 1/4 turn).
(11) Install the main cap tie (horizontal) bolts and
tighten to 28 N·m (250 in. lbs.).
(12) Install rear crankshaft oil seal retainer and
oil seal. (Refer to 9 - ENGINE/ENGINE BLOCK/
CRANKSHAFT REAR
INSTALLATION) (Refer to 9 - ENGINE/ENGINE
BLOCK/CRANKSHAFT
INSTALLATION)
(13) Install oil pump assembly. (Refer to 9 -
ENGINE/LUBRICATION/OIL PUMP - INSTALLA-
TION)
(14) Install dowel pin in crankshaft. (Refer to 9 -
ENGINE/ENGINE
SEAL - FRONT - INSTALLATION)
(15) Install crankshaft sprocket. Refer to Front
Crankshaft Oil Seal Removal and Installation for
procedure.
(16) Install camshaft sprockets and timing belt.
(Refer to 9 - ENGINE/VALVE TIMING/TIMING
BELT/CHAIN AND SPROCKETS - INSTALLATION)
(17) Install timing belt covers. (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION)
(18) Install crankshaft vibration damper. (Refer to
9 - ENGINE/ENGINE
DAMPER - INSTALLATION)
(19) Install idler pulley for accessory drive belt.
(20) Install oil pickup tube and tighten bolt to 28
N·m (250 in. lbs.).
(21) Install oil pan. (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - INSTALLATION)
(22) Install engine assembly. (Refer to 9 - ENGINE
- INSTALLATION)
(23) Fill engine crankcase with proper amount of
oil.
CRANKSHAFT MAIN
BEARINGS
STANDARD PROCEDURE - CRANKSHAFT MAIN
BEARING FITTING
The main bearings are a "select fit" to achieve
proper oil clearances. For main bearing selection, the
block and crankshaft have grade identification
marks.
ENGINE 9 - 45
- STANDARD
OIL SEAL RETAINE
OIL SEAL - REAR
BLOCK/CRANKSHAFT
BLOCK/VIBRATION
-
-
OIL