LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1681 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Description And Operation) >> Description and Operation >> Transmission Identification Information

Transmission Identification Information

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Toledo Build
GM2047980Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 9 = 2009
2 Model
3 Hydra-Matic 4L60-E
4 Julian Date or Day of the Year
5 Shift Built, See Shift Build Chart
6 Serial Number
7 Case/Pan Frame Rail Location
7 Case/Pan Frame Rail Location
8 Optional Transmission ID Location, Tag is Used as a Back-up if Unable to Etch Case/Pan Area and to Bar Code Scan
Fig 2: Ramos Arizpe, Mexico Build
GM2047981Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 9 = 2009
2 Model
3 Hydra-Matic 4L60-E
4 Plant of Manufacture, 4 is Ramos
5 Julian Date or Day of the Year
6 Shift Built, See Shift Build Chart
7 Transmission Serial Number
8 Optional Transmission ID Tag Location, Tag is Used as a Back-up if Unable to Etch Case/Pan Area and to Bar Code Scan
9 Case/Pan Frame Rail Area
9 Case/Pan Frame Rail Area
Fig 3: Bar Code Label Contents
GM2047982Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 9 = 2009
2 Model
3 Hydra-Matic 4L60-E
4 Transmission Asm. as Shipped Number
5 9 = Model Year
6 Julian Date or Day of the Year
7 Letter After Julian Date Identifies the Plant Shift Build, See Shift Build Chart
8 Bar Code
9 Serial Number
10 Broadcast Code
11 Transmission ID
12 Build Location Y = Toledo, OH, 4 = Ramos Arizpe, Mexico
Plant and Shift Build Chart

Plant Build Line 1st Shift 2nd Shift 3rd Shift
Toledo, OH ML1 J W X
ML2 A C Not Used
ML3 B H Not Used
ML4 S L V
ML5 K E Z
Ramos Arizpe, Mexico 1 A - -