the network was interripted and left the SRS code as a telltale.
Vida might spot the glitch, I think iot can monitor 6 paramters on the fly.

do more testing, turn the AC on and see if the fan runs longer than a few seconds. The violet wire is the fan control wire, it passes through the power distribution box near the brake reservoir. It should be a good place to probe the wire for signal. The starter wire passes close by, maybe in the sa...

waste gate actuation.
can you read the boost and vac ?

you might lose steering wheel controls for the radio.

a compression test will show if the valves crashed. Did you hand rotate the engine before starting it? Oh yes I hand turned the engine a good number of times. Thanks for the question! Cheers if there was no interference then the mechanical noise on startup might be a wrench left on top of the engin...

From full open, start closing it and pull the fuse to stop it.
Reinsert fuse and close window normally, it should stay closed.

failed seals in the turbo was the cause for mine. feel for side to side play in the turbo shaft. Thank you! Do I disconnect the metered air intake hose connected to the turbo to feel the play in shaft? yes, its a reach, I could only reach with a finger. On cold start I got white smoke first, as the...

BlackBart wrote: ↑11 Sep 2025, 19:40 I don’t know the correct number.
Could it also be regulator related?

Vida says 55 psi on first prime, pressure regulator might be wonky.
My car doesn't have one so I've never tested it.

CHARM online service manuals for volvo, it looks identical to vida but its quicker than hooking up ther laptop to the car. free.
https://charm.li/Volvo/

if reusing the copper it can be annealed with a torch, I order extras. Theyre slippery little things.