
Electric Auxiliary Coolant Pump | Audi A4 A5 A6 Allroad Q5 Q7 - Volkswagen Touareg | Replaces 059121012B 059121004J - Motiv8
Electric Auxiliary Coolant Pumps for Audi, Volkswagen 059121012B 059121004J Electric Auxiliary Coolant Pumps circulate coolant through the cooling system to provide cooling of not only the engine but also inverters, batteries, turbochargers, HVAC systems, and assists start-stop vehicles in engine-off conditions. If the engine temperature light is illuminated or the pump makes high pitch screeching noises than it's most likely time for a new coolant pump. Pump performance is very important for the proper functioning of the engine and all of its systems. Contaminated coolant, corrosion, or particles in the coolant can cause seals and internal pump parts to fail. Thus, before replacing your electric auxiliary coolant pump, ensure to flush the coolant system and use only the correct engine coolant as specified in the owner's manual. If the coolant system is not flushed, there is a chance the failure can return due to particles in the coolant damaging the pump impeller. Secondly, using t