Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 1514
CHAIN AND SPROCKETS-TIMING
REMOVAL
TIMING CHAIN
1. Disconnect negative battery (1) cable.
2. Drain cooling system (Refer to 7 - COOLING/EN-
GINE - STANDARD PROCEDURE).
3. Remove upper intake manifold (Refer to 9 -
ENGINE/MANIFOLDS/INTAKE
MANIFOLD
-
REMOVAL).
4. Remove cylinder head covers, crankshaft vibration
damper, and timing chain cover (Refer to 9 -
ENGINE/CYLINDER
HEAD/CYLINDER
HEAD
COVER(S) - REMOVAL) (Refer to 9 - ENGINE/EN-
GINE BLOCK/VIBRATION DAMPER - REMOVAL)
(Refer to 9 - ENGINE/VALVE TIMING/TIMING
BELT / CHAIN COVER(S) - REMOVAL).
CAUTION: When aligning timing marks, always
rotate engine by turning the crankshaft. Failure to
do so will result in valve and/or piston damage.
5. Align crankshaft sprocket timing mark to mark on
oil pump housing (2). The mark on oil pump hous-
ing is 60° ATDC of #1 cylinder.
CAUTION: When the timing chain is removed and
the cylinder heads are still installed, DO NOT
rotate the camshafts or crankshaft without first
locating the proper crankshaft position. Failure to
do so will result in valve and/or piston damage.
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ENGINE - 2.7L DOHC - SERVICE INFORMATION
LX
6. Remove primary timing chain tensioner retainer
cap (2) and tensioner (1) from right cylinder head.
7. Disconnect and remove camshaft position sensor
(4) from left cylinder head.
8. Remove timing chain guide access plugs (3) from
cylinder heads.
NOTE:
When
camshaft
sprocket
bolts
are
removed, the camshafts will rotate in a clockwise
direction.
9. Starting with the right camshaft sprocket, remove
the sprocket attaching bolts. Remove camshaft
damper (1) (if equipped) and sprocket.
10. Remove left side camshaft sprocket attaching
bolts and remove sprocket.
11. Remove lower chain guide (7) and tensioner arm
(8).
12. Remove the primary timing chain (5).
13. For removal of crankshaft sprocket (6), (Refer to 9
-
ENGINE/ENGINE
BLOCK/CRANKSHAFT
-
REMOVAL).
LX
ENGINE - 2.7L DOHC - SERVICE INFORMATION
9 - 2081
CRANKSHAFT SPROCKET
1. Remove
primary
timing
chain
(Refer
to
9
-
ENGINE/VALVE
TIMING/TIMING
BELT/CHAIN
AND SPROCKETS - REMOVAL).
CAUTION: Use care not to turn crankshaft while
removing
crankshaft
sprocket,
as
damage
to
valves and or pistons could occur.
2. Remove crankshaft sprocket by first installing the
crankshaft damper bolt. Apply grease or equivalent
to damper bolt head and position Special Tools
5048-1(3), 5048-6 (2), and 8539 (1) on sprocket
and crankshaft nose. Remove sprocket using care
not to rotate the crankshaft.
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ENGINE - 2.7L DOHC - SERVICE INFORMATION
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INSTALLATION
TIMING CHAIN
1. Inspect all sprockets (4),(9),(11) and chain guides (2),(5),(10). Replace if worn.
2. For crankshaft sprocket installation procedures (Refer to 9 - ENGINE/ENGINE BLOCK/CRANKSHAFT - INSTAL-
LATION).
3. If removed, install right and left side short chain guides (11). Tighten attaching bolts to 28 N·m (250 in. lbs.).
4. Align crankshaft sprocket timing mark to the mark on oil pump housing(3).
NOTE: Lubricate timing chain and guides with engine oil before installation.
5. Place left side primary chain sprocket onto the chain so that the timing mark is located in between the two
(plated) timing links (1).
LX
ENGINE - 2.7L DOHC - SERVICE INFORMATION
9 - 2083
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