The hose next to the oil cap is part of the PCV system. It connects a vent on the head to the oil vapor separator box on the side (front) of the cylinder block. It's a major air leak in your system.

How do you like BlackBetty? Is she a typical Volvo or being an XC70 she is considered high maintenance? Oh, me? She seems good so far. I think Betty's issues are mostly because she was taken in for regular service, at a reputable independent, but he used aftermarket bargain parts which didn't last,...

Betty could use a little brother..

Looks great.

uh oh...

It -could- be two burned valves in two adjacent cylinders, but that’s highly unlikely. A “leak down” test will tell you where the air is leaking out. You can do this. Do you need the car anytime soon? Slow & careful is my pattern on new things. DIYs are invaluable. Ask questions here. Everything...

Neutral - yes.

TheOtherside wrote: ↑12 Nov 2019, 08:39I dont see a drank anywhere.

Mine will only open about 2 or 3 inches, then hits something or jambs. I think I need a drank.

Front sway bar end link? I had a loose fastener there and it made a loud click / pop at every bump.

Yes. Pretty expensive unit, then a lot more labor to install, pipe, and exhaust it. More efficient, yes.