[DML] Moo-ing Noise

["thebrave65" <johnny.sawyer@xxxxxxxxx>]

Not too long ago, my fuel pump got rather hot on a road trip here in
AZ and began it's noisy complaining.  Putting fresh fuel in the tank
always gave it a temporary cure until it got hot again.

Now, it seems to do it on and off but I can't be totally sure about
the sound.  It happens mostly when the A/C is on and it kinda sounds
like one of the fans instead of the pump.  

So I ran the engine in the garage and waited until the fans came on
(both by themselves and using the A/C) and there is no moo-ing sound.
 I take her out on the road and the moo-ing is back using the A/C. 
The sound increases and decreaes in pitch during accel/deccelerations
(I have an automatic).

I'm starting to think that it's one of the fans, but I really don't
know.  The fan fail light has not come on and both fans do function
properly as I gave them a visual exam.  I have the fused bypass.

Any opinions?  Fuel or fan?

Johnny
5518







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