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Pontiac
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2000
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Grand AM V6-3.4L VIN E
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Cooling System
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Description and Operation
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Water Pump Description
Water Pump Description
The water pump is used to circulate coolant throughout the engine, radiator and
heater core
. The water pump is driven by the serpentine belt on the 3.4L applications and by the
timing chain
on the 2.4L applications.