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2500HD/3500 HD Trucks & Drivetrain Discussion Forum for the 2001 & newer 2500HD/3500 Trucks, Transmissions & Drivetrain

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Old 09-18-2019, 05:13 PM
Joe_Pool Joe_Pool is offline
Join Date: Sep 2019
Location: USA, MO
Posts: 1
Default Missing Allison Info tag

Is there any way to determine the Build Date or Serial Number for an Allison LCT1000 6 speed in a 2010 GMC Sierra? The VIN # is 1GT4K1B62AF107097 (This is the title number, but the tag on the truck is missing the last 7 --worn off or didn't print). I'm asking because the cheap stick on tag is missing from the transmission (great going GM, saved a nickel by eliminating the metal tags)
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Old 09-28-2019, 05:30 AM
a5150nut's Avatar
a5150nut a5150nut is online now
Join Date: Jan 2001
Location: Knoxville,Tennessee
Posts: 2,270

10 days and no replies? That's unusual.

Maybe one of the admins will jump in here.

Robyn or MorePower?
"The Constitution is not an instrument for the government to restrain the people, it is an instrument for the people to restrain the government."
-Patrick Henry

2006 K3500 D/A
94 6.5 4x4 5spd Sold
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Old 09-28-2019, 05:57 AM
DmaxMaverick's Avatar
DmaxMaverick DmaxMaverick is offline
Join Date: Apr 2001
Location: CA
Posts: 12,560

Info can be found on your RPO/Build sheet (glove box sticker), but it won't reference actual serial numbers for any component. A full printout can be had from a dealer, but they may not show it, either. You'll need to have a dealer contact a regional service representative to obtain factory build details. Probably not a "free" service, but it's free to ask.
1985 Blazer 6.2
2001 GMC 2500HD D/A
2014 Chevy Cruze Diesel - Fabulous car, no problems at all, but sold Nov. 2016 @ 55K miles.
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