Could be needs oil, dirt on the blower, loose mounting bolts, or
any of a bunch of problems. Yeah,I know. You didn't see an oil
hole. But, maybe a pro knows where to look.

Time to call a service company.

--

Christopher A. Young
You can't shout down a troll.
You have to starve them.
..

wrote in message
ups.com...
: I have a G50UH gas furnace by Lennox. My blower motor is
making a
: high pitched humm. The air filter on the intake is clean.
There is
: no oil and there isn't a belt. What could be making the noise?
Do I
: need a new blower motor??
:
:
: Thanks.
:
: Joe O'Connell
: