the compression numbers are not great, if the compression is leaking through exhaust valve then it might burn the valve, it might be carboned up. i cleaned an engine with seafoam, let it sit 2 hrs, then cranked over to expel the gunk, then added seafoam to the gas tank, it smoked a bit but cleaned ...

Hey everyone !! I do my compression test 4 cyl : 125 kPa With no leak The first cylinder from the left has 100 kPa No leak I changed the vvt sensor which has been the same since 2001, with the new one which replaces the one after Volvo The explosions are fewer and less strong but still present By an...

Ahem, the compression of a healthy B5244S/S2/SG/S6 engine should be 180 psi at least. Those are naturally aspirated, for turbo I'd imagine slightly lower than this. The most important thing is to check for evenness in compression, you don't want to see more than 5% difference between any cylinder. ...

Thank you friends!


It makes me happy to receive help from a community based all over the world
Does anyone have repair documentation? It would be to know the compression values ​​🫣

I'll keep you informed !

When i unplug and try angain The engine blows, no huge explosions or none at all Hère vidéo whitout VTT VID_20231118_122406.mp4 It is misfiring. When I plug it back in and try again the explosions are back Vidéo : VID_20231118_123318.mp4 What did you think? :| :mrgreen: Here it is back fires. Proba...

Right Here is a direct link to order it!

Good luck !
https://www.fcpeuro.com/products/volvo- ... o-30665561

Hi ! , Complicated found I had difficulty and still I don't have the part id but it can help:

Look at number 23

https://parts.niellovolvosacramento.com ... 80284.html

Try placing a large screwdriver on different parts of the engine and sticking your ear to the end of the screwdriver, you will be able to target the noise

We are waiting for your beautiful video, good luck!

ignatz wrote: ↑18 Nov 2023, 05:13 Check the compression before you spend too much time on this. Make sure your working on a good engine.

I'm going to do the compression test. The owner who sold me the car did a complete rebuild of the engine at Volvo before it broke down again.

Thanks for the advice my friend!

Hello everyone ! How are you ? Step 1 unplug the VVT solenoid connector and see if it still idles badly. Step one done Please note that I am not accelerating in the videos, only started When i unplug and try angain The engine blows, no huge explosions or none at all Hère vidéo whitout VTT VID_202311...