2005 Santa Fe with noise

I have a 2005 Santa Fe with 2564 miles. Engine is 2.7 with auto. I have abnormal noise/sound from engine compartment. ONLY under power and IN GEAR. I can be going up a grade and noise will be there. Take
it out of gear and put it in neutral and apply gas and noise is NOT there. Put it back in gear (any gear this takes place) and noise is there. NO heater, A/C, radio running. Weather conditions not factor. Windows moonroof closed. Brought new and noise not there when new. Of course Service Manager says that is normal. Thanks for any help :(
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what kind of noise???

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Describe the noise very specifically ; is it a whir, a knock, a hiss, a clicking, a vibration, high pitched/low pitched,etc ??
Have you tried this : Have a driver sit in the suv with trans. in Drive, parking brake on, foot on the brake pedal, and chocks in front of the wheels ...and as the driver gives it bit of gas... you stand to the side of the car with the hood open and listen .
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Set up the video camera for this one, this could be one of those "me and my brother-in-law tried this once" moments. LOL :) But may be a good way to try and isolate area of noise.

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Set up the video camera for this one, this could be one of those "me and my brother-in-law tried this once" moments.   LOL :)   But may be a good way to try and isolate area of noise.
Describe the noise very specifically ; is it a whir, a knock, a hiss, a clicking, a vibration, high pitched/low pitched,etc ?? Have you tried this : Have a driver sit in the suv with trans. in Drive, parking brake on, foot on the brake pedal, and chocks in front of the wheels ...and as the driver gives it   bit of gas... you stand to the side of the car with the hood open and listen .
REPLY: The O.P. did this , and he emailed me. He said the noise occured. Theres nothing wrong with doing it this way, so long as safety is considered above all else.
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No offense intended, Dave. You did specify good safety precautions.
It just brings me back to some of my own ill conceived and hair brained schemes or watching my Dad "troubleshoot" equipment over the years. He woke up once lying beside his pickup in the snow! The tow rope broke, snapped back, caught him on the top of his head as he poked it outside and around the open drivers door. Big welt, big headache, and big laughs. Course how many times have we had our nuckles whacked by the fan, or picked up a good shock from the plug wires.
didn't mean to hijack coco's thread.
G
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Theres nothing like getting your Timing Light cord in the fan as your checking Timing on an engine ; all of a sudden everything leaves your hands in a hurry and youre left holding nothing !
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Yeah, what kind of noise. If its like marbles in a can, it is pre-ignition. Get some better gas or retard the timing at touch.
Gordo

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