I should be getting my '05 V8 XC 90 back from the dealer next week. The counter-balance shaft and bearing are being replaced at VCNA's expense. I'm also having the timing chain replaced at the service manager's recommendation. Alternator will be replaced before engine goes back in. My confidence in the vehicle has been shaken, though VCNA and my dealer have been great. I love the vehicle and would like to keep it for a couple more years. It is very comfortable, powerful, and relatively efficient consistently returning 23-25 mph on the highway and 17-19 average mpg overall. It now has 140K miles but has been dealer serviced since new. This has been an eye-opening experience to the extremely high cost of repairs when repairs are required, easily double maintenance costs of my Cadillac Seville STS. My questions are mainly directed to those who have had the counter-balance shaft and bearing replaced. Did you keep your XC90? How many miles did you drive before your confidence in the vehicle was restored? Would you keep it or sell it?