>> mechanic replaced the blower motor & switch 300 miles ago. i've barely
>> used it....
>> it's now making a loud rumbling sound... louder as the fan speed is
>> increased....
>> also, when the mechanic replaced the blower motor, the a/c doesn't blow
>> cold anymore.

> Sounds like your mechanic ... botched the job.

I'm with E Meyer on this one. What was the original problem? I've got about
120,000 miles on my '88 Prelude blower. I had to replace the blower resistor
once but everything else just hums along.

--
Chuck