Question about 1999 Chrysler 300M
Yes the water pump does run of the timing belt system.
Directly from the service manual:
The 3.5L water pump has a die cast aluminum
housing and a plastic swept vane impeller. It bolts
directly to the right rear timing belt cover using an
O-ring for sealing. The water pump is
driven by the engine timing belt.
The water pump on all models can be replaced
without discharging the air conditioning system.
WARNING: DO NOT REMOVE PRESSURE CAP
WITH THE SYSTEM HOT AND UNDER PRESSURE
BECAUSE SERIOUS BURNS FROM COOLANT CAN
NOTE: It is normal for the water pump to weep a
small amount of coolant from the weep hole (black
stain on water pump body). Do not replace the
water pump if this condition exists. Replace the
water pump if a heavy deposit or a steady flow of
engine coolant is evident on water pump body from
the weep hole (shaft seal failure). Be sure to perform
a thorough analysis before replacing water
(1) Drain cooling system (Refer to 7 - COOLING -
(2) Remove accessory drive belts (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
NOTE: The water pump is driven by the timing belt.
(3) Remove engine timing belt (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT AND
SPROCKETS - REMOVAL).
(4) Remove water pump mounting bolts (Fig. 31).
Note position of longer bolt for proper re-installation.
(5) Remove water pump body from engine
Here is link to get a factory service manual relatively cheap.
2004 Chrysler 300M Service Manual Covers every serviceable part.
Posted on Sep 27, 2009
Water pump is run off the timing belt and is located under the timing covers in the front of the engine BEAWARE this is a NONfreewheeling engine the valves WILL hit the pistons if the belt is damaged and skips a few teeth or breaks
Posted on Sep 26, 2009
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Posted on Jan 02, 2017
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