The following is an update of the cooling fan issue I had and how it was solved. Time: Once replacement assembly arrives, this would take me no more 2.5 hours to do again Technical difficulty: 1.5/5 Frustration level: ~2.5/5 Disclaimer: I'm not a professional mechanic and YMMV if you choose to use t...

"I have read it is a fan control module and one replaces the whole dual fan frame and all ($525)."

You can get new fan control modules off eBay for $35.00. Search for Volvo part numer 940013801.
If you really want to spend $525 you can send the remaining $490 to me