Join Date: May 2015
Location: Altadena, CA (Southern California)
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For Porsche, "seepage" became an addressable condition with the 2006 GT3-RS. That reference even made it into the Owner's Manual. Owners were advised to drive their cars daily in order to keep pressure onto the seals and limit seepage. That became a huge issue with at least a couple of owners.
Of course, this does not necessarily apply to Macan engines -- but the problem is not new in itself. After all, ask me or friends about any of our early 911s...
So, for entertainment, this is a quote from a letter to an owner ---
"Please be advised that GT3 engines have a design which is unique from other 911's because of it's exposure to very high
RPM's. The rear main seal of these engines is held tight by a vacuum created inside the engine block. If the vehicle is not
used for prolonged periods of time this vacuum pressure may decrease allowing a small amount of oil to seep past the
seal. Due to this special design, oil seepage can occur in GT3 vehicles that are not driven on a regular basis.
Your warranty manual indicates that your responsibility for normal vehicle use is for your vehicle to be driven daily over
a distance of several miles. Your vehicle was designed with the assumption that it would be used within these guidelines.
If it is not, you may experience some oil seepage; however, this is not a defect in the vehicle but simply a result of lack of
Please just laugh and don't start a new round of angry flaming...
Member - Porsche Club of America (1986- )
> High Performance Driving Instructor
> National Master Concours Judge
> Region Tech Advisor
'70 914 -- '72 914 -- '68 912 -- '77 Carrera 3.0 -- '99 996 Carrera -- '15 Macan S