Quote:
Originally Posted by edherrin
My 2007 Cayman S has ~68,000 miles and I am about to install a new water pump, and 160 degree thermostat.
My question is should I remove the radiators and have them power flushed at the same time?
The car will maintain normal operating temperatures when moving, but a little too much time at a stop light on a hot day and the temperature goes up significantly.
If anyone has insight or experience with this please weigh in.
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We do this for customers all the time; the 160F thermostat is an excellent addition to help keep the engine's hot spot development under control, and will bring the car to a steady state operating temp of around 175F or so. It also goes a long way to improving the oil's life expectancy due to the oil to water cooler. When stuck in traffic, your coolant temps will still rise until the fans kick in, but will cool back down to the same steady state temperature once you get moving again.
Unless the cooling system has been gummed up, you really don't need to flush the radiators, they stay pretty clean as long as the coolant is in good shape.