Transmission Problem - Diesel Bombers



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

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  #1  
Old 09-19-2011, 03:47 PM
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Default Transmission Problem

I have a 2005 duramax with an allison transmission at take off or after letting off of the throttle and reapplying the throtlle I have alittle play in the transmission. Does anyone have any suggestions what it might be or know a good transmission shop for allisons in the Winchester, VA area or around there.
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Old 09-19-2011, 08:42 PM
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how many miles are on the truck, how is the fluid level and when was the last time you swapped the filters
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Old 09-19-2011, 08:56 PM
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The truck has around 84,000 and the fluid level is good but it has ben awhile since I changed the filter.
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Old 09-19-2011, 09:16 PM
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I change the filter with every oil change

Sounds like you might have some shift flare or a sloppy tq converter
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Old 09-20-2011, 03:45 PM
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there is also an internal filter, sometimes it can wiggle around causing a small vacum leak on accel and decel
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Old 09-25-2011, 08:28 PM
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Brite White Ram is there a way to tell for sure that is is the tq converter and if it is the converter what is the best way to fix it replace it?
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Old 09-26-2011, 05:07 PM
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a good scan tool can can do that for you. some one with a tech 2, snapon scan tool , or efi live.
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Old 09-27-2011, 10:27 AM
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2500 Heavy Duty my truck isnt showint any trouble codes so if there isnt any codes showing how or what will the scanner pick up.
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Old 09-27-2011, 11:58 AM
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i mean to measure tcc slip to see if the torque convertor is your problem. but i doubt it
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