completely new oil lines were put in with the last 2 turbos that have blown since I bought the car. I also have been letting the car cool down - I've religious about that, not wanting to have another blow out - and I don't have a heavy foot in general and particularly when beginning. I also have heard that replacing with a volvo turbo is better than a generic brand. My mechanic has worked with volvos for 20 years but also works on other foreign cars. He may not be the most expert on turbos. Any other thoughts? Thanks for responding to my first message. SEB