Quote:
Originally Posted by KRAM36
That's still nowhere near $15k.
IMS Retrofit is blown out of proportion, there was a list, surprised Perfectlap has not seen it, that showed the IMSB failure rate was around 2% or lower. Keep an eye on your oil filter, do your own oil changes. I can probably find 5 stories on here that the person just had their oil changed when the IMSB failed. I think that's another reason LN came up with the screw on type oil filter adapter. You have to make sure the Porsche oil filter went on correctly.
To the OP, be your own mechanic. Fall in love with the machine and give it your attention when needed. The reward of knowing the job was done right is worth more then paying some fool to screw up your car and they do, all the time, they are not there to baby your baby, they are there to get it done and out the door as fast as possible.
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To the OP, Checking your own oil is NOT a deterrent to the IMSB issue. If you see metal in the filter (cracked pepper corn size or larger)...it is already
too late to do the IMSB swap and you face very costly decisions -- engine rebuild or straight up engine replacement. As has been stated infinite number of times by the actual experts on this forum, the time to do the IMS swap is when the only thing in the oil filter is oil. Checking the oil filter only tells you that you are procrastinating while playing the odds at the same time.
KRAM36, as I stated before the IMS failure rate has never been determined. That 2% figure you've been citing is about as useful to most as Ben & Jerry's ice cream in their oil pan.
There are polls in the 996 and Boxster forums on other Porsche websites where owners report failures in the 10-13% range. Also as useful as ice cream in the oil pan. It is impossible to nail down the % of failures because the rate is not static, nor is it tracked and the fleet is still relatively young since most never drove these cars every day. What we do know for certain is that oil starvation and contamination over time will compromise this bearing. How does a second-hand owner know if their car was managed properly against oil starvation and contamination by the previous owners? Most don't even ask.
The figures I think you are alluding to "from a list", are from the class action litigation.
This list is incomplete. It only contained the cars that Porsche NA was made aware of from their in-house mitigation and engine replacement program. It did NOT include all the cars where the owners sorted out the issue on their own (or just ate the total loss), since most of these cars were well past the warranty period. And to my knowledge, no post litigation settlement report of the number of known failures either through Porsche or independent shops was ever calculated and released to the public, which would run contrary to the idea of a confidential settlement. The failure rate, at any one point in time, is one huge guess... all for a KNOWN problem that can be easily addressed in one day your local Porsche shop.
p.s.
You've had a high mileage, out-of-warranty, German sports car requiring expensive parts, driven in cold winters and hot summers, year round,
for only two years? then you're only just scratching the surface of parts that are reaching their sell by date. If you were in Souther California different story.
Porsche did not engineer the 986 as a daily driven 100K mile car for kinds of conditions you and I drive. They engineered it to be a once a week car, that saw little use during winter and would be nowhere near 100K miles during its warranty period... because that's what the typical buyer did with it. Exactly as their quality control experts predicted to cut costs to the bone since they were in a precarious financial state when they engineered this car.
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