Automatic Transmission Overhaul - 4L60-E: Identification
Vehicle model is identified by 4th character (cars), or 5th character (trucks) of Vehicle Identification Number (VIN). VIN is stamped on metal pad on top of left end of instrument panel, near windshield. See MODEL IDENTIFICATION table.
The Hydrw-Matic 4L60-E transmission can be identified by a letter code contained in identification number. Identification number is stamped on transmission case above oil pan rail on right rear side, or to rear of oil pan. See Fig 1 . Identification number contains information which must be used when ordering replacement parts. Transmission RPO code is M30.
MODEL IDENTIFICATION
| Model | Body Code (1) | ||
|---|---|---|---|
| 2WD Pickup, Sierra, Silverado, Suburban, Tahoe & Yukon | C | ||
| Camaro & Firebird | F | ||
| Cutaway, Express, RV Cutaway & Savana | G | ||
| 4WD Pickup, Sierra, Silverado, Suburban, Tahoe, Yukon & AWD Escalade | K | ||
| AWD Astro & Safari | L | ||
| 2WD Astro & Safari | M | ||
| 2WD Blazer, Envoy, Jimmy, Sonoma & S10 Pickup | S | ||
| 4WD Blazer, Bravada, Envoy, Jimmy, Sonoma & S10 Pickup | T | ||
| Corvette | Y | ||
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