odd squeal

[Tree Trimmer]

sounds like a belt squealing.

its 100% associated with my right foot. drive it normal, zero squeal. try to pass, get on it, etc etc, it squeals. the harder i push, the louder/more it squeals. let off, it stops.

i have noticed lately it smokes more than it did. it used to be a thick haze, but now its pretty black.

not a boost leak.

ideas and suggestions please.

 

[White_monster]

Drivers side exhaust manifold is loose. Prob the rear most bolts too. Try that.