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Chevy/GMC Duramax 04.5-05 LLY Discussion of Chevy and GMC Trucks with LLY Duramax Turbo Diesel Engines

speedometer problems

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  #1  
Old 11-19-2008, 05:58 PM
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Default speedometer problems
im having some issues with my speedometer, if its not working at all itll be regesitering at about 60mph when im going around 20mph and goes up to about 120mph when im going about 55-60mph. all the other gauges work perfectly.

if i bring it to the dealer there gonna charge me 85 bucks just to look at it. any help is greatly appreciated!
 
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  #2  
Old 11-19-2008, 06:01 PM
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Vehicle Speed Sensor???
 
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Old 11-19-2008, 06:12 PM
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It has a bad stepper motor. Very common problem. IIRC there may be an extended warranty on them.
 
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Old 11-19-2008, 06:22 PM
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Originally Posted by RickDLance
It has a bad stepper motor. Very common problem. IIRC there may be an extended warranty on them.

thanks!that was quick!
 
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  #5  
Old 11-20-2008, 04:47 PM
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There is a warranty on them up to 70,000 miles Its a common problem. Get ahold of the dealer and they will replace it for free.
 
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Old 03-25-2009, 08:35 PM
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If your truck is over 70k, ebay the stepper motor, its like 13 dollars, and takes like a half hour to install.
 
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Old 03-26-2009, 09:43 PM
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:benjami n:
 
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Old 03-26-2009, 09:46 PM
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Ahhhh ok?
 
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Old 03-27-2009, 12:51 AM
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Originally Posted by LarryJewell
:benjami n:
this happen to you too larry?
 
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Old 03-24-2010, 09:26 AM
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The Dmax I just bought does the same thing.
 
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