RepairSurge online repair manual for the 2009 Volvo Xc90. When your vehicle is backfiring through the exhaust, is vibrating during driving, does not start up, has worn out parts, leaks oil from under the engine, feels sluggish, needs a new fuse, is overheating, does not run smoothly, or needs any other kind of repair, this easy to use product can resolve your car problems.