Suggestyou have a look on the XC90 forum - this gearbox was used in all post 2005 Mk 1 XC90 and it gets a harder time in that platform due to the additional 500 Kg or so that it weighs. The general consensus is that you should change the oil about every 72k miles or sooner if it becomes black or smells burnt.
Customerwas complaining of engine oil consumption. During a oil consumption test found it was burning about 2 quarts in 4,000 miles. Compression and leak te S springsman Discussion starter. 8 posts ยท Joined 2008. #1 ยท Dec 6, 2020. I've been scouring the net for instructions to replace the PCV in my 2006 XC90 V8. I would like diagrams, pics, or videos. Once again, this is for the 4.4 liter V8 engine, so please don't refer me to the 5 cylinder engine instructions. Reply Like. . 14 320 163 483 467 404 123 354