mine had a leaky rear main seal. That was not a fun job. Fortunatly, my brother is an experienced auto mechanic (with ~$50k of SnapOn tools). So we were able to get it done, but there is no way I could have done it myself. The vehicle had 300k on the odometer and ran perfectly when I sold it last year for more than I paid. The reason I sold it was that the plastics had got brittle from the UV in the new mexico sun, so much of the interiod was falling apart.