I dunno... the motor is pretty loud... and seems to lose power after the car warms up to operating temps and then starts to heat up under medium-high load. Its starting to sound like that might be the issue. I just wonder where I can take it to have it tested. IPD is located here in portland... they're volvo specialists but since its a diesel, I kinda expect them to have never seen one before.
Also, yes its holding pressure and not eating coolant... haven't checked the thermostat though, I'll replace that sometime soon. I'm moving to Eugene next week so I'm a bit busy
