Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 1672
HYDRAULIC LIFTERS
DESCRIPTION
Valve lash is controlled by hydraulic lifters (2) located
inside the cylinder head, in tappet bores below the
camshafts.
REMOVAL
1. Remove the appropriate camshafts. (Refer to 9 -
ENGINE/CYLINDER HEAD/CAMSHAFT(S) - LEFT
- REMOVAL) or (Refer to 9 - ENGINE/CYLINDER
HEAD/CAMSHAFT(S) - RIGHT - REMOVAL).
2. Remove the rocker arm (1) and lifter (2) assembly.
NOTE: When the hydraulic lifters are removed
from the engine, they must be stored upright and
in clean conditions.
3. Separate the lifter from the rocker arm.
INSPECTION
Clean each lifter assembly in cleaning solvent to remove all varnish and sludge deposits. Inspect for indications of
scuffing on the side and base of each lifter body.
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ENGINE - 3.0L TD SERVICE INFORMATION
LX
INSTALLATION
1. Assemble the hydraulic lifter (2) to the rocker arm
(1) with the retaining clip (3).
2. Install the rocker arm and lifter assembly onto the
cylinder head.
3. Install the camshaft(s). (Refer to 9 - ENGINE/CYL-
INDER HEAD/CAMSHAFT(S) - LEFT - INSTALLA-
TION) or (Refer to 9 - ENGINE/CYLINDER HEAD/
CAMSHAFT(S) - RIGHT - INSTALLATION).
LX
ENGINE - 3.0L TD SERVICE INFORMATION
9 - 2713
ENGINE BLOCK
DESCRIPTION
The 3.0L engine utilizes a cast aluminum cylinder block (2) molded around cast iron piston sleeves (1). The cylinder
angle is 72 degrees with cylinder spacing at 106 mm (4.173 in.). The cylinder block (2) has increased rigidity that
reduces structural flexing, plus a fractured connecting rod cap design that can not distort connecting rod cap fit. The
liner (1) surface is honed to a cross hatch angle between 40°-60°.
There is a stamped cylinder liner grading identification number located on the left front of the engine block, below
the high pressure pump location. This identification mark (A, X, or B) is used for piston selection. For example, an
“X” cylinder liner can use an “A”, “X” or “B” piston. An “A” cylinder liner can only use an “A” or an “X” piston, and
a “B” cylinder liner can only use a “X” or a “B” cylinder liner.
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ENGINE - 3.0L TD SERVICE INFORMATION
LX
Cylinders are numbered front to back, beginning with the right bank. The right bank cylinders are numbered 1, 2, 3.
The left bank cylinders 4, 5, 6. The injection order of the engine is 1–4–2–5–3–6.
LX
ENGINE - 3.0L TD SERVICE INFORMATION
9 - 2715
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