Reason #5: It helps prevent coolant foaming
Another uninvited guest in your coolant is foam and that can happen when your antifreeze gets contaminated. A coolant flush sends all that foam packing and allows the fresh new antifreeze to work better for you.
Reason #6: It helps keep the water pump lubricated
High quality coolant contains additives that help lubricate your water pump, which is another vital part of your Porsche's cooling system. A regular flush of your cooling system increases the life expectancy of your water pump.
Reason #7: It keeps rust from building up in your water pump
Flushing your radiator helps clean out your entire cooling system, and that includes the water pump and its components. Your water pump can take on rust deposits with the passage of time and a good flush lets you bid a fond farewell to rust. That helps your water pump function better and last longer.
Reason #8: It extends water pump bearing life
Replacing a Porsche water pump is something you don't want to do very often. One of the best ways to help your water pump keep pumping faithfully is with a regular coolant flush. Because old coolant takes on contaminants over time, that debris can start to settle into the pump seal. That, in turn, can cause scratching and damage the sealing surface, which can lead to early pump failure. A coolant flush helps prevent that.
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