You do not have to remove turbo and exhaust manifold as a unit. I just dealt with this on my 2004 XC90 T6. I learned that Volvo does not sell just the turbo cartridge which is what you want to replace and/or rebuild. They sell the entire turbo/manifold/wastegate acutator as one assembly - and for bi...

3. Failed Purge Valve (fuel vapor recovery) That could be the problem. Where is this located on my car? https://www.freel2.com/gallery/albums/userpics/13868/Butterfly.jpg https://www.freel2.com/gallery/albums/userpics/13868/193F3C21-6DEE-4B27-97D9-57B7A614AC6E.jpeg When mine failed the Engine was m...

AWD Volvo's Angular Gear, Haldex and differential fluid LEVEL is determined in accordance with the instructions of Volvo in a manner that has always puzzled me. All 3 units - after leveling the fluid with the leveling port hole - we are instructed to remove an additional amount: 100ml for the angle ...

Is your sound better with pulling dip stick up?
Hard to suggest something without having audio/video clip. But pcv diaphragm on 3.2 is a common problem.

The intake tube has a sound suppressor that can leak false air into the engine. You can disconnect the MAF and the engine will run on the MAP. And if the intake tube is the problem then the noise will be there but the engine will run fine instead of “NO POWER” Let us know if this makes a difference ...

The PCV should be silent. Credit to VOVA585 You will need to start with the PCV. The intake manifold has a variable runner length to give more power at high RPM and more torque at lower RPM. That’s what you see on the intake manifold. There are two flaps and the connectors look identical but they ar...