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2004 Chevrolet Tahoe Question: can a faulty transmission cause inaccurate speedometer readings ?

 

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gid, Queensbury, NY, November 07, 2011, 23:30
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seem to be going faster--according to the troopers --than speedometer says . waiting for transmission repair for slipping and rumbling over 50mph .

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    mastertech6371 November 08, 2011, 06:02
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     Master

    if you changed the size of the tires, that is the most common issue. it can be calibrated by a speedometer repair shop.

    Roy

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    gid, November 08, 2011, 07:26
     Rookie

    the tires are 17's rather than 16's that are standard . would that cause the speedometer to read lower than actual speed ? thanks again

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    mastertech6371, November 08, 2011, 09:16
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     Master

    yes it would the roll speed is slower with bigger tires.

    Roy

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