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Showing results for tags 'coolant overheating'.
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USMC9953 posted a topic in 996 Series (Carrera, Carrera 4, Carrera 4S, Targa)Hi Guys and Gals... I've got a '99 Carrera that I recently purchased. This afternoon I noticed a coolant smell and at slow parking lot speeds I saw steam coming from the rear. The temp gauge isn't registering hot but the light at the upper right of the gauge is blinking. Pulling in to my drive I saw a trail of liquid (obviously coolant) behind the car. So, with this information I did some research via the owner's manual that says "permanent" coolant. I've never heard of such a thing. It also says to pre-mix the coolant based on ambient temperatures, which makes me think it's just like any other coolant. More research online. Porsche recommends Porsche coolant (go figure) the same way Harley Davidson recommends HD oil. More research. I read that Porsche uses an "organic" coolant that if mixed with other coolants will turn into a gel and, well, BOOM -- a very expensive boom at that. I'm looking for educated guesses here. I don't know what coolants (if any) the previous owners used. If they used Porsche coolant, is there a brand that is similar or exceeds this spec? Is there a way to tell what kind of coolant the previous owners used? I mean, it smells like coolant, but I can't see the colors that were described in other articles -- pink-ish, green, or yellow. Should I just drain the entire cooling system and start from scratch? What do the pros here recommend...???