To replace a wheel bearing on a 2007 Volvo S40 you need to remove the caliper bolts first and then extract the car's rotor. Then you must put the new bearing on the knuckle.
"Roadwheel bolts....110Nm 81 lbf ft" per Haynes VOLVO S70, V70 &C70 1996 to 1999 Repair manual
2 gal per hr for a volvo 25 on short runs in 6 wheel dr. Eddie
Try heating the bolts. Hopefully, as the heated bolts (which has expanded on heating) cools down and contracts, the corroded bond will have been broken. Try spraying with WD40, or dabbing on diesel, while the bolts are still hot.
No, The Volvo C30 is not 4 wheel Drive. It is in fact front wheel drive
The 2014 Volvo S60 has front wheel drive.
The 2005 Volvo S80 has front wheel drive.
The 2007 Volvo XC90 has front wheel drive.
The 2014 Volvo XC70 has front wheel drive.
The 2012 Volvo XC60 has front wheel drive.
The 2003 Volvo S60 has front wheel drive.
The 2015 Volvo XC60 has front wheel drive.