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Originally Posted by jwh
I need advice; I have a beautiful 1998 Boxster with 23K miles on it that I am trying to sell... an interested buyer told me that he had learned of potential problems with Boxster engines that are a big liability... that he would not buy without having a separately purchased warranty in place. Is there really a systematic problem with these engines that can lead to serious failure or is this guy exaggerating? If so, what are the warning signs? Thank you!
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Hi,
Hate to be the bearer of Bad news, but yes, there are inherent flaws in the M96 Engine (986, 987 + S, 996, 997, Cayman S - not the TT) Porsche never got the Rear Main Seal correct (actually casting the Block) and so a relatively high number do fail, probably between 10-15%, maybe more because Porsche isn't telling.
Also, the Car can suffer from Intermediate Shaft failure, mostly post '02 because Porsche redesigned it and removed one of three bearings. The signs of RMS are Oil leaking from the center underside of the motor, usually progressive, but sometimes catastrophic failure. Intermediate shaft has no warning signs, one minute you're OK, the next - adios Seňor Motor...
All is not lost, your car is coming to the far side mileage of when these usually occur. Doesn't mean you're out of the woods, but the odds are building in your favor. Be upfront to a prospect if they mention it, but also let them know that not all cars experience this and those which do are usually at lower miles than yours is currently. Who'd ever thought that higher mileage would be a benefit in selling a car?...
Happy Motoring!... Jim'99
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