Thanks for the reply! Do you think this is something that the shop did or should have noticed before returning it to me? It doesn't sound good. Sounds expensive or coming to the end of the road...

thanks again!
I'll keep you posted!

Hi all, Hoping someone can shed some light on my problem. I recently got a '99 s80 t6 with 75k. It had an oil pressure problem, the Volvo repair shop said bad o-rings on the pump pick up. They replaced various o ring and said it was all set. I drove it home and there was some strange whirring like n...