what should I do with transmission system(gear)?

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NTP
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The changing of (automatic)gear speed from 2 to 3 is not smooth, clattering. This occurs every time I accelerate the car. What could I do?
The DIY technique, no need to go to Saab shop, the repair shop near my house can fix this should be better. Thank you very much.
Feb 1, 2012 at 1:14 AM
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MHPAUTOS
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You will require to get a professional auto tech to test this transmission first hand.
Feb 1, 2012 at 2:35 AM
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NTP
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That means my car should be checked with OBDII, techII or equivalent? May I have more question? Could you tell some of the problems which have a chance to occur and their solutions to fix?
Feb 2, 2012 at 2:45 AM
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MHPAUTOS
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A scan will be a good stating point.
Feb 2, 2012 at 2:51 AM
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NTP
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Thank you very much.
Feb 2, 2012 at 10:26 PM
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