How did this S80 lose this module? Why is it being put up for sale in this condition? If this was car-parts theft, the title and Carfax history may come with permanent blemishes. I'd be looking for red-flags in the documentation -- those cannot be fixed at any price.

Be thinking about passing smog test with whatever repair you do. The air cleaner box costs about $180, and is very easy to replace.
If the smog inspector sees a DIY repair, they will usually flag it (part of visual inspection).

Have you looked at the condition of the radiator fins? The Volvo P3 radiator has very delicate, aluminum fins...they bend flat with little force. I had about 50% of mine flattened on a used 2013 XC70 I bought. I had to open up these fins to airflow, or else coolant on the verge of boilover in summer...

You don't remove the pass. side headlight assy., but just slide it forward an an inch or two.

Volvo USA has added a valuable new free service available to all Volvo owners. It's called Tow For Life. Volvo will pay for towing of any breakdown car, so long as the towing destination is an authorized Volvo Service Center. All model years are eligible. The car must incapable of driving, or show a...

This first appeared 4 months ago as a P0456 EVAP System Leak. There were also P0442 EVAP System Small Leak, and the "Missing or Damaged Gas Cap" alert on the console. When I filled the gas tank 100%, raw gas drips came down, about 1 drop (25 uL) every 30 seconds, coming from rear of tank on passenge...