3.3l engine noise

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worksta

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I have a 2005 grand caravan 3.3l. when driving it seems to have a slight rattle in the engine, once we hit around 43mph it turns to a slight whistle or similar to a high pitched frequency sound. the faster we drive the more profound it gets. It only does this while giving it gas. I brought it back to the dealer (still under warranty) they say it is just normal drivetrain noise. I find this hard to believe. we love the van but this sound is too annoying.
 
I have a 2005 grand caravan 3.3l. when driving it seems to have a slight rattle in the engine, once we hit around 43mph it turns to a slight whistle or similar to a high pitched frequency sound. the faster we drive the more profound it gets. It only does this while giving it gas. I brought it back to the dealer (still under warranty) they say it is just normal drivetrain noise. I find this hard to believe. we love the van but this sound is too annoying.
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Keep taking it back to the dealer!
Lushy
 
I have a 2005 grand caravan 3.3l. when driving it seems to have a slight rattle in the engine, once we hit around 43mph it turns to a slight whistle or similar to a high pitched frequency sound. the faster we drive the more profound it gets. It only does this while giving it gas. I brought it back to the dealer (still under warranty) they say it is just normal drivetrain noise. I find this hard to believe. we love the van but this sound is too annoying.
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Why not get a second opinion?

Glenn Beasley
Chrysler Tech
 
My 2003 T&C, with the 3.3l, had an alternator that started to make noise last year when it had about 40000 miles. I don't remember the exact noise, but I used a 'mechanics ear' to locate it to the alternator. I think the noise was probably coming from the pulley damper that is attached to the alternator pulley. I went ahead and replaced the alternator, which came with the pulley and damper, and the noise went away.

Marvin Stockman
 
thanks I'll put my ears on

My 2003 T&C, with the 3.3l, had an alternator that started to make noise last year when it had about 40000 miles. I don't remember the exact noise, but I used a 'mechanics ear' to locate it to the alternator. I think the noise was probably coming from the pulley damper that is attached to the alternator pulley. I went ahead and replaced the alternator, which came with the pulley and damper, and the noise went away.

Marvin Stockman
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they don't want opinions they want results! fix the first tiem isn't that your dealer mo
 
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