Since there's been a rash of questions on 2001 Volvos with this transmission ( AW55-50SN for FWD cars and AW55-50 for AWD cars), here's a sticky topic we can use to share notes and experiences. A highly concentrated AW55-50 info topic. After this topic grows, I'll unsticky it and roll it into Links ...

Joining the new 2nd Gen XC90 forum is the official MVS page on this hugely important model for Volvo.

Hmm, I don't get anything more than quote and report and I'm on a computer.

You can make Seafoam treatment much cheaper than buying it. This is the reference I used but to simplfy it and give you more info: Typical Seafoam application is 473mL Therefore for a 4:2:1 ratio 270 ml Diesel 135 ml Coleman Camping Fuel 68 ml 99% Rubbing alcohol The Diesel lubricates the fuel pump ...