2004 Pontiac Grand AM SE... Pulsing hummm?

May 23, 2006 3 Replies
J

Hello -



I recently purcahsed a 2004 Grand AM SE. CarFax was clean and the car was a a great deal. I have one question/complaint... Seems at 5mph and above there is a pulsing hum that is coming form the car. This is not felt, but heard. The faster I go the faster the puls becomes. It reminds me if a Flex-fan on a chevy truck from the late 80's. It seems to be more related to the fan or tires and not the engine. Am I just crazy or is this a known sound with the Grand AM and I am good to ignore it? I have heard that the Grand AM is known for odd noises.



Thoughts?



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B

if the car is in park and u rev the engine, do you hear the sound?

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J

nope in park, reving the engine does not produce the sound. Seems only moving straight forward, not turning as much and above 10 mph or so...

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J

Try checking your tires, I used to drive a company truck years ago that had a blister on an inside sidewall that gave a pulsing thrum while going down the road.

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