GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
GMC C Sierra - 2WD
🢒
Transmission/Transaxle
🢒
Automatic Transmission - Allison
🢒 Transmission Identification Information
Figure
1:
Nameplate Location
(1)
Nameplate
Figure
2:
Nameplate Components with Ten Group Spaces
(1)
Model (Series)
(2)
Engineering Group Number
(3)
Transmission Identification Number
(4)
Engineering Feature Configuration Number
(5)
Serial Number
(6)
Date of Manufacture
Figure
3:
Nameplate Components with Twelve Group Spaces
(1)
Model (Series)
(2)
Date of Manufacture
(3)
Engineering Feature Configuration Number
(4)
Transmission Identification Number
(5)
Engineering Group Number
(6)
Serial Number