Is the speed actually changing or perhaps are the HVAC doors moving and the
distribution (and sound) changing.

I could be a vacuum leak.


"Jay" <jay.jones7@BOLLOCKSntlworld.com> wrote in message
news:ScrHg.267$M6.202@newsfe3-gui.ntli.net...
>
>> Your talking about the fan on the engine? If so, that's normal
>> because it has a clutch. At high RPMs the clutch is designed to
>> relax. Usually the jeep is at speed and there is enough air just
>> from forward motion.
>>
>
>
> Thanks for the speedy answer Doug. I was talking about the heater/blower
> fan. It slows down as the engine revs but in every other car I have had it
> has always stayed the same or increased in speed slightly. I am bewildered
> as to why it would slow down as the engine is producing more electric.
>