I responded to your questions in the Boxster section, and those responses still apply.
Looks like you have the basic issues covered in your questions. You might try looking on Planet-9, as they're more Cayman centric. I would suggest looking thru the 987 Cayman & Boxster Chat, then the Problem & Complaints and Service & Tech sections for issues and solutions.
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GPRPCA Chief Driving Instructor
2008 Boxster S Limited Edition #005
2008 Cayman S Sport - Signal Green
1989 928 S4 5 spd - black
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