Well you open it with your hands... Seriously how can you not open a hood
Yes. They are exactly the same as long as the newer wagon is also a 240 (not a 740). All 240 hoods are interchangeable from 1986 on.
Under the hood by the left hood hinge.
15.8 Gallons
Yes I believe actually the 1986 to 1992 Volvo 240 4 doors are all interchangeable parts but I'm not sure for 1985 and earlier models.
Battery Group is 47
5 x 108
no,k10042 is an older unit
Above your left Knee when you are driving
Connected to the intake air duct.
5.25 inch
It's under the hood on the passenger side by the firewall.