Water pump w/ Thermostat

Cooling System Complications: Auxiliary Water Pumps. … This pump is not connected to the cooling of the engine. Its primary function is to circulate warm coolant to the heater core. If too little coolant is circulated, the blower fan will pull enough heat out of the coolant and cause the heater core to get cold.

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Description

AUDI – Q5(8R), 2010
OE