Drive train noises
#1
Drive train noises
I have a 1995 G20 Van. New axles, new bearings. But I get a loud noise from either the differential or tranny. Changes pitch at different speeds. Sounds kinda like howl or a low pitched siren. Any ideas what the issue is?
#6
Super Moderator
Professional Mechanic
Professional Mechanic
It would be very hard to diagnose a noise over the computer as none of us can hear it and everyones description of noises is different. Does it only make the noise while on the gas pedal and go away when off? Find a safe place while it is making the noise put it in neutral, turn the engine off. Does it go away? Does it change at all when turning the steering wheel?
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#8
CF Veteran
I bet it is the tranny. You have a 4L80 I bet. Check the build sheet in the glove box and if there is a MXO I think that you have the 4L80 and it has a whine to it at low speeds.
#9
Super Moderator
Professional Mechanic
Professional Mechanic