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Old 03-27-2007, 05:47 PM   #1
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loosing coolant

June 1999 build date. Engine replaced 9/04, 38K miles. Mass air sensor 11/05 47K miles. Final drive seals and tranmission fluids replaced 6/06 50K miles. Coolant bottle replaced 8/06 52K. Coolant light came on just as I was getting home. I checked the coolant bottle and none was visable. After it cooled I refilled. I took it out for a drive and within a mile it was overheating. Got back and the bottle was empty again. I checked the carpet in the trunk and it is dry as is the garage floor. I plan on having it towed to the dealer tomorrow. Any SERIOUS thoughts comments?
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Old 03-27-2007, 06:51 PM   #2
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Has the oil level been rising?

Any sweet smelling white smoke from the tail pipes?
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Old 03-27-2007, 07:15 PM   #3
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loosing coolant

No white smoke. I just checked the oil level and it is a little above full.
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Old 03-27-2007, 07:24 PM   #4
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garyj, keep an eye on the oil level, and the apperance of the underside on the oil filler cap.
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Old 03-28-2007, 06:11 PM   #5
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When I got home I filled the coolant and idled the car for 10 minutes and nothing. No leak and the temp guage hardly moved. I decided to drive it around the block and within .25 miles the water temp elevated so I stopped to take a look. I had a steady stream of coolant flowing by the right rear tire. Can anyone speculate on what has happened? What am I getting myself into to correct this problem. Is it time to move on and start looking for a new ride?
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Old 03-28-2007, 06:16 PM   #6
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Don't drive it anymore and get to a qualified Porsche mechanic.
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Old 03-28-2007, 06:34 PM   #7
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Might be as simple as a bad hose or hose clamp....
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1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster bought new. Installed used motor at 89k.
1987 924S . 2002 996TT. PST2
Owned and repaired Porsches since 1974. Have driven them all the way the Dr intended...
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Old 03-28-2007, 06:43 PM   #8
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The Porsche mechanic at my dealership is out for training this week. I'm making arrangements to have it towed on Friday. Thanks to everyone who took the time to comment.
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Old 03-28-2007, 07:03 PM   #9
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Hi,

Most likely a coolant hose/clamp issue, though with a drain that fast, I suspect the Reservoir again even though you already replaced it...

Happy Motoring!... Jim'99
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