Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 1678
DAMPER - VIBRATION
REMOVAL
1. Disconnect negative battery cable.
2. Raise and support the vehicle.
3. Remove both front lower splash shields.
4. Remove the transmission thermo-block (2), and the
cooler
lines
(1)
between
the
block
(2)
and
transmission.
5. Remove the starter blank.
6. Install # 9102 crankshaft lock (1).
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7. Release the accessory drive belt tension by reset-
ting the drive belt tensioner (1) and installing a
retaining pin.
8. Remove the vibration damper (2) bolt.
9. Install #9544 vibration damper puller (1)
CAUTION: Care must be taken when removing the
damper. DO NOT damage or gouge the front
crankshaft seal
10. Remove the vibration damper (2).
INSTALLATION
NOTE: To prevent potential oil leaks, DO NOT touch the front crankshaft inner seal.
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ENGINE - 3.0L TD SERVICE INFORMATION
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1. Align the alignment key in the crankshaft with the
key way in the damper and install the vibration
damper. Torque bolt to 304 N·m, plus 90° (224 ft.
lbs., plus 90°).
2. Position the drive belt back onto the pulleys and
release the belt tensioner.
3. Remove #9102 crankshaft lock.
4. Install the transmission thermal bypass valve and
transmission cooler lines.
5. Install the intermediate and front underbody splash
shields.
6. Lower the vehicle.
7. Connect negative battery cable.
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VACUUM PUMP
DESCRIPTION
The vacuum pump is a constant displacement, vane-
type pump. Vacuum is generated by vanes mounted in
the pump rotor. The rotor is located in the pump hous-
ing and is pressed onto the pump shaft.
The vacuum pump operates by a slotted extension
attached to the vacuum pump shaft. The vacuum
pump shaft slotted extension fits into, and is driven by,
the exhaust camshaft gear.
The vacuum pump rotating components are internally
lubricated and the vacuum pump has no serviceable
parts. Do not disassemble or attempt to repair the
pump.
OPERATION
Vacuum pump output is transmitted to the Heater,
Electronic, Vacuum, Air Conditioner (HEVAC) and
brake vacuum booster, systems through a supply
hose. The hose is connected to an outlet port on the
pump housing and uses an in-line check valve to
retain system vacuum when vehicle is not running.
Pump output ranges from a minimum of 8.5 to 25
inches vacuum.
The pump rotor and vanes are rotated by the slotted
pump drive gear which fits into the camshaft drive
gear.
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