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Old 06-08-2014, 04:08 AM   #1
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Overheating sometimes

I have a 99 Boxster, just turned 80k, have owned it little over a year. Problem I am having is when it starts getting hot here in the northeast, like 80 and up, the car runs hot and the warning light starts flashing. Last year I replaced both fans and I checked to make sure they are still working. while I was at it I cleaned the radiators. so the only thing I can think of is 1) air in the system and needs to be BURPED 2) thermostat 3) water pump. Any thing else that it could be? is there any way to test to determine if its the thermostat OR water pump? there is nothing leaking under the car and I have an S center radiator and coolant pipes I plan on installing.

anyone have any advice or thoughts?

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Old 06-08-2014, 04:41 AM   #2
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If the water pump hasn't been changed it may be time. They have a composite impeller, they breakdown over time this is one of the first signs. There are allot of post on water pump.
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Old 06-10-2014, 04:48 AM   #3
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ordered water pump, 160 thermostat, and front motor mount.
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Old 06-30-2014, 05:43 AM   #4
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I believe the thermostat was one problem. Other problem was the engine bay fan was binding and causing fuses to blow. Replaced both and back in action.

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