My -94 940 b230FD made a weird noise:

https://youtu.be/3_PDqfLf2iU

So i took the cold air tube off. The noise came from the flap not closing fully:

https://youtube.com/shorts/wLP65oJIVx0

So i just drilled a hole into the flap and the Y housing, put a nyloc screw and bolt throught the hole to ...

On the other forum I got a little help with diagnosing the pump.

I took the pump out to test it. First put +12 V on Yellow / Red wire and ground to green. Pump starts, but does not make any vacuum. So I thought that the pump is somehow broken.

I don't know why, but I tried to ground ALSO the 3 ...

Hello.

I have a 940 with non functioning cruise control. At first I checked the vacuum pipes. Vacuum bellow had pipe and the pipe from pedals were under brake booster, but had no T fitting. Vacuum pump had no pipe at all.

So I got new pipes, and connected them . Vacuum pump to T junction and ...

It has a Turbo, if that helps for the diagnosis. Where should I connect the other end ( in the third picture). The lone tube just stands in between fan and throttle body.

Hei, blackVolo

That looks like on the connections to the airbox valve for the heater flap. There should be two pipes sticking out the rear (towards driver) of the air cleaner housing with two hoses/elbows on them on your car, if it does NOT have a turbo

You will need this working in Finland in ...

Took some photos. Here is connection to pcv nipple:

PhotoPictureResizer_191209_161156489_crop_1872x2385.jpg

Here is the elbow:
PhotoPictureResizer_191209_161353421_crop_2541x1835.jpg

And here is one lone tube that is not connected to anything, any idea where this should go?

IMG_20191209 ...

I had the pcv system changed about 3 months ago. Isn't that hose a part of the pcv system? If so than I believe that this hose is changed. And if so ,would that mean that something else is the problem for my car?

EDIT:

in this picture it is hose with parts 14-11-10-13?

https://usparts.volvocars ...

I think I have to do this on my -98 2.5T AWD, it gives EFI 232 after 20 km in the city. One question, the picture does not show to me, where the other end the hose is supposed to go?

Ok, thank you for all the help

Local volvo bmw parts store sells pcv kit for 98 EUR. Made by Professional parts sweden.

Is this ok quality kit, any experience?