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		986 Forum - The Community for Porsche Boxster & Cayman Owners > Porsche Boxster & Cayman Forums > Boxster General Discussions
Too much pressure in coolant tank

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05-25-2015, 05:16 AM	#1
bglz42 Registered User Join Date: May 2008 Location: Dickinson, TEXAS Posts: 148	Too much pressure in coolant tank I have been struggling for over a year with an issue with my 01 Boxster S Tip. Condensation under trunk lid over the coolant cap. I am on my 6th 04 cap. Never overheats. No water in oil or oil in water that I can detect. Level stays pretty consistent. Pressurized tank to 20psi for 24 hours. Pressure tested cap, pops at 20.5. Getting desperate, I left the pressure gauge on the car and started it. After it warmed I got 20psi, (which is enough to pop the cap valve apparently.) Again, the car does great even in Texas heat. It just vents through the cap... any ideas? __________________ Be careful, the car/girl/boat you just bashed is someone's pride and joy! 2001 Boxster S, 2007 Cayman SOLD, 2013 Abarth Cabrio 1970 Donzi 18 Holman Moody

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