Crankshaft Oil Seal - Front; Removal - Chrysler 300M Service Manual

9 - 48 ENGINE
CRANKSHAFT MAIN BEARINGS (Continued)
When installing a new upper bearing shell, slightly
chamfer the sharp edges from the plain side.
(1) Lubricate main bearing with clean engine oil.
(2) Start bearing in place, and insert Main Bearing
Tool C-3059 into oil hole of crankshaft (Fig. 69).
(3) Slowly rotate crankshaft counterclockwise slid-
ing the bearing into position. Remove Special Main
Bearing Tool C-3059.
NOTE: Lubricate main bearing cap bolts with
engine oil before installation.
(4) Lubricate and install lower bearing half and
main cap Tighten bolts finger tight.
(5) For installing thrust washers at the No. 2 main
bearing location, use the following procedure:
(a) Move crankshaft forward to limit of travel.
Lubricate and install the front thrust washer by
rolling the washer onto the machined shelf
between the No. 2 upper main bulk head and
crankshaft thrust surface (Fig. 71).
(b) Move crankshaft rearward to limit of travel.
Lubricate and install the rear thrust washer by
rolling the washer onto the machined shelf
between the No. 2 upper main bulk head and
crankshaft thrust surface.
Fig. 71 Thrust Washer Installation
1 - FRONT THRUST WASHER
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.
(6) Install each main bearing cap and tighten
inner bolts finger tight.
(7) Tighten inner main bearing cap bolts 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 windage tray. Lubricate bolts with
engine oil and tighten to 27 N·m + 1/4 turn (20 ft.
lbs. + 1/4 turn).
(10) Install the main cap tie (horizontal) bolts and
tighten to 28 N·m (250 in. lbs.).
(11) Install oil pick-up tube.
(12) Install oil pan. (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - INSTALLATION)
(13) Fill engine crankcase with proper oil to cor-
rect level.
CRANKSHAFT OIL SEAL -
FRONT

REMOVAL

(1) Remove the crankshaft sprocket. (Refer to 9 -
ENGINE/VALVE TIMING/TIMING
AND SPROCKETS - REMOVAL)
(2) Tap the dowel pin out of the crankshaft (Fig.
72).
Fig. 72 Crankshaft Dowel Pin - Removal/Installation
1 - PIN PUNCH
2 - DOWEL
(3) Remove crankshaft seal using Special Tool
6341A (Fig. 73).
CAUTION: Do not nick shaft seal surface or seal
bore.
LH
BELT/CHAIN