Hello, I went in for a tune up on my Volvo 880 with d16 motor and the tune up could not be performed because one headvalve appeared to be pressed...
I'm not sure about the boost increasing but I don't thi k it did. But the truck pulls and performs very nicely. It's just the loud whistle sound...
If it's a boost leak then shouldn't the loud whistle noise always appear? there's no noise if I drove without the trailer but only when I'm...
I've noticed that it does this load whistle with the trailer on and when putting the engine under pressure.
It starts the loud whistle noise from about 15 psi to 30 psi
I just replaced the turbo. Drove a out 1000 miles on it and its defiantly the turbo that's producing the noise.
Volvo with the D16 motor suddenly started to have a loud whine/whistle coming from the turbo when put into load (going up hill, loaded). What can...