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Originally Posted by 97E300D
How reliable are these v12's. Can they go 100K or are they in need of a lot of replacement parts as they age and acumualte higher milege. Are there a list of things to look for?
Also what other engine(s) share the same parts, do the 12's run the same pistons rings, head and vlaves as a 6? I gues that would make it a 6.4L unless they shorted the stroke. I'm just wondering if parts are very unique...
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Greetings, keep in mind I'm paraphrasing what some knowledgeable mechanics have said to me in the past.
The v-12 is identical to two 3.0 liter 6s. That means it has two separate engine management systems so there's two of everything. I don't know if they changed the bore or stroke. It is one block though.
Mine has been very reliable. I had a water pump seize up and an incredibly expensive cam cover oil leak that could be the result of me having a warranty so they maxed it out.
All the other problems I've had are brake master cylinder, ADS-Power steering pump, bad steering damper and an ADS sensor.
Unfortunately, my warranty ran out and now I'm stuck with a miss but I asked for help and got a good recommendation of a shop to do the troubleshooting but I think I should just buy an OBDII scanner so I have it for the future.
Keep in mind I've driven over 30k miles with good reliability (it's my daily driver). You absolutely have to use good oil and change it regularly; I also had them flush my transmission and replace its filter last year. The tranny is supposed to be lifetime filled but it doesn't hurt to do maintenance on it.
I've got to make a choice soon to either trade it in on another one or keep it and budget for some big ticket items that will come up sooner or later. Such as:
Transmission
Electronic throttles (2)
Timing chain.
Oil tubes in heads.
All in all though, it has been a reliable car that I have been very happy with and has gobs of silky smooth torque. If you buy the 600 model you also get a lot of items standard such as:
Napa leather.
CD changer.
ADS.
Useless built in cell phone (its analog).
Xenon headlights