It's possible that the one of the two vvt solenoids holes in between the timing belt and 1st cylinder could be uncut. Because I know some engines can only have the exhaust holes cut to be used for the solenoid and has the intake uncut. I'm not sure if it's due to the year or engine model, but that's...

1. Unless the job is fairly recent; in most cases yes you should do them all because once you are in there then you minus well do them all since it's just a few more bolts and pretty cheap parts, and if it's 50k in then it is all right to do the whole job. It's literally $35 for the belt $25 each fo...

https://www.ipdusa.com/products/22640/Main-PCV-Breather-Hose-Rebuild-Kit-P2-S60-V70-XC70-S80-XC90-MTC-171262-Volvo-30731068 Here's IPD's kit that includes the hose. My mechanic changed that same part for about $400+ if you don't want to do it. But yes, you don't have to remove the intake. You just w...

The locking ring should hold it in place, but yes it is suppose to look like the old one. If you couldn't yank off the axle then it should be good. It might be that they got lazy with the proper dimensions. Ok so you cheapened out on the axle. I did as well, and it lasted me under 2 years. I underst...

It's really all opinions. You'd already change a majority of the fluids only for the next round to be less than that. I only changed it once and never bothered doing another round.

I'd say you either do it back to back or whenever you get to it. Maybe just do it with your next oil change.

Isn't that their job???

You can either go to a dealership and they'll tell you the part number, or just call FCPEuro and give them the VIN.

Date should be on the boot. It looks like a clock with a ring and arrow; arrow pointing to month and year is between the arrow.

No, its almost always a tiny PCV hose under the intake manifold that needs to be replaced. The PCV job is the most intense DIY so you'd want to look into that, and to do the whole system is about $400 for parts and another $450 for labor for an indie last I checked.