Noise squeal unique
Thread Starter
Heel & Toe
Joined: Jul 2014
Posts: 19
Likes: 0
From: Marco Island, Fl
Noise squeal unique
Hey guys, got a noise squeal in synch with throttle advancement. When coasting high speed nothing, as soon as I touch throttle squeal noise is back. Had a similar C5 do a similar noise that turned out to be a crack in the intake manifold. Could this be the same??
Thread Starter
Heel & Toe
Joined: Jul 2014
Posts: 19
Likes: 0
From: Marco Island, Fl
Team Owner
Joined: Mar 2002
Posts: 24,160
Likes: 78
If it changes with throttle position but not necessarily engine speed, then that is almost certainly a vacuum leak. Check every hose for cracks/pinholes. Replace any that feel stiff.
Sometimes you can track them down with smoke (matches, cigarettes, etc.) I usually just grab things until I feel air moving through my fingers. Vacuum is highest at idle, so you can usually find them without someone playing with the throttle to make the whistle hit a frequency you can hear.
Sometimes you can track them down with smoke (matches, cigarettes, etc.) I usually just grab things until I feel air moving through my fingers. Vacuum is highest at idle, so you can usually find them without someone playing with the throttle to make the whistle hit a frequency you can hear.
