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2014 Chevy Silverado
Platform: Truck, GMT 400, 800, & 900

2005 chev silverado 2500hd 6.6l 4x4

   
Old Jan 28, 2016 | 11:50 PM
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mark atkinson
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Default 2005 chev silverado 2500hd 6.6l 4x4
Which code denotes a 5 or 6 speed allison trans.i have mw7 but not sure which one that is.
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Old Jan 29, 2016 | 8:37 AM
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tech2
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does it have a manual shift mode like later models?
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Old Jan 29, 2016 | 9:01 AM
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intheburbs
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MW7 Transmission, Allison 1000 6-speed automatic
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Old Jan 29, 2016 | 5:38 PM
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Originally Posted by tech2
does it have a manual shift mode like later models?
Cheers I think it is sorted it has column shift with towmode button on the end,fairly sure it is a six speed with the older model lly engine
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Old Jan 29, 2016 | 5:42 PM
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Originally Posted by intheburbs
MW7 Transmission, Allison 1000 6-speed automatic
Cheers it has MW7 on the serv codes id ,because it had the older lly engine I thought it might have had the five speed
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