It isw mounted on(driven by) the front of the crankshaft, under the timing cover.
0W30 or 5w30
Castrol edge 0W30
7.1 US Quarts
7
Requires a special wrench tool. Look on eBay for "Volvo Oil Filter Wrench" They are about $10.
At least every 5000 miles to 3000 miles
inside the gas tank. its part of the fuel pump module.
To reset the oil change indicator on a 2005 Volvo XC90, turn the ignition to the "ON" position without starting the engine. Press the gas pedal three times within five seconds. After this, turn the ignition off and then start the engine to verify that the oil change indicator has been reset. If the light remains on, repeat the procedure.
2005 XC90: 19 mpg in-town; 24-26 mpg highway
The oil pump is located inside the oil pan; To get to the oil pump you have to take off the oil pan.
Aprox 8 qts with the 3.2 Engine, 7 qts with the T6 and 6 qt's with the 2.5
To drain the oil on a 2008 Volvo XC90, start by warming up the engine slightly to thin the oil for easier drainage, then turn it off and allow it to cool a bit. Place a drain pan under the oil pan, remove the oil drain plug with a wrench, and let the old oil flow out completely. Once drained, replace the drain plug securely, and refill with new oil through the oil fill cap. Always dispose of the old oil properly at a recycling center.