Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
hi my name is***** will try and help...Is it coming from the front of the motor by the accessories and pulleys?
does it shift normal? hows the tranny fluid? any warning lights on?
have you tried having a shop diagnose t on a lift?
we need to narrow down if its from bellhousing or the pulley side
likely the transmission pump they are common to make noise when they are starting to fail
usually around 1600 to 2500 depending on extent of damage and labor rate
generally its a overhaul at that point the whole unit needs to be torn down
which is 21 hours labor