Question about 2000 Pontiac Montana

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Bearing noise I sometime hear a kind of a bearing noise when i am accelerating on the road. Then I stop the van on the side of the road ,put it on park and shut of the engine. After restarting the engine if I still hear that noise and want to drive again then the transmission switch rufly at all the 4 speed. If instead the noise dissapeared , everything after is ok. It is in intermitent problem. Would you now what defective part could affect the transmission shifting ????? would it be the alternator ? or a transmission electronic controler. I hope you can help me Thank you Will

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Thanks for trying Ajkill, it is not a wheel bearing problem. I still hearing the noise aven when I am on Park and rising the engine.
I am quite shure that it is an electronic problem. Please somebidy help me !!!!

Posted on May 20, 2008

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