on the 1988 Vovlo 240, the fuel filter is loca
Under Dash Passenger side to the right of the kick panel
at a junkyard
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.
To fix the ac system on the 1988 240 Volvo, check the freon level first. Check the fuse, the relay, then the compressor clutch to find the defective part.
Inside the reservoir.
ebay, salvage yards, craigslist, local used foreign/volvo shops
There isn't one. you have to use a key.
It is located under the drivers side rear door.
under the dash, driver side