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About isitdav

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  • Porsche Club
    PCA (Porsche Club of America)
  • Present cars
    Cayenne Turbo '04

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  1. Thanks for the Welcome!!! :thumbup: Great information and important regarding battery sensor location. I am surprised that the battery CCA is only rated at 520. Dealers will tell customers that the O.E.M. battery is problematic. So when replacing specify Interstate. The resident vehicle software needs to be reset to the new spec. as U state and must be critical to its operation. The owner's manual on the third gen. vehicle does not even show how to replace it. On the first gen. it did. The assumption must be that it is to complicated for the typical owner. I had to replace one on an
  2. Hi there! Do you have battery part no.s and spec.s for a '11 Bi-turbo stop/start vehicle. Local dealer can't seem to contact Porsche to find out. Since I know from previous experience it is probably a Varta brand item and manufactured by Johnson Controls. The dealer was able to tell me that it is an AGM(Absorbant Glass Mat) type internal configuration. After poking around found that Johnson Controls mfg.s this. So imagine it is patented and proprietary. Johnson Control provided a nice response but could not provide specifications relative to Porsche vehicles other than to state they a
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