General Motors Introduction - Trucks
| MODEL | BODY CODE (1) | ENGINE (2) | ENGINE ID | FUEL SYSTEM | IGNITION SYSTEM |
|---|
| Astro & Safari | L, M | 4.3L (L35) | W | SFI | Magnetic (3) |
| Blazer, Bravada, Envoy & Jimmy | S, T | 4.3L (L35) | W | SFI | Magnetic (3) |
| Cab & Chassis & Suburban | C, K | 5.7L (L31) | R | SFI | Magnetic (3) |
| — | — | 6.5L (L65) | F | Turbo Diesel | N/A |
| — | — | 7.4L (L29) | J | SFI | Magnetic (3) |
| Cutaway | G | 5.7L (L31) | R | SFI | Magnetic (3) |
| — | — | 6.5L (L57) | Y | MECHFI (4) | N/A |
| — | — | 7.4L (L29) | J | SFI | Magnetic (3) |
| Escalade | K | 5.7L (L31) | R | SFI | Magnetic (3) |
| Express & Savana | G | 4.3L (L35) | W | SFI | Magnetic (3) |
| — | — | 5.0L (L30) | M | SFI | Magnetic (3) |
| — | — | 5.7L (L31) | R | SFI | Magnetic (3) |
| — | — | 6.5L (L65) | F | Turbo Diesel | N/A |
| — | — | 7.4L (L29) | J | SFI | Magnetic (3) |
| Forward Control (P42) | P | 4.3L (L35) | W | SFI | Magnetic (3) |
| — | — | 5.7L (L31) | R | SFI | Magnetic (3) |
| — | — | 6.5L (L57) | Y | MECHFI (4) | N/A |
| Montana, Silhouette & Venture | U | 3.4L (LA1) | E | SFI | DIS Magnetic |
| Motorhome (P32) | P | 6.5L (L65) | F | Turbo Diesel | N/A |
| — | — | 7.4L (L29) | J | SFI | Magnetic (3) |
| Pickup (5) | C, K | 5.0L (L30) | M | SFI | Magnetic (3) |
| — | — | 5.7L (L31) | R | SFI | Magnetic (3) |
| — | — | 6.5L (L65) | F | Turbo Diesel | N/A |
| — | — | 7.4L (L29) | J | SFI | Magnetic (3) |
| RV Cutaway | G | 5.7L (L31) | R | SFI | Magnetic (3) |
| — | — | 6.5L (L65) | F | Turbo Diesel | N/A |
| Sierra & Silverado | C, K | 4.3L (L35) | W | SFI | Magnetic (3) |
| — | — | 4.8L (LR4) | V | SFI | DIS Magnetic |
| — | — | 5.3L (LM7) | T | SFI | DIS Magnetic |
| — | — | 6.0L (LQ4) | U | SFI | DIS Magnetic |
| Sonoma & S-10 Pickup | S, T | 2.2L (LN2) | 4 | SFI | DIS Magnetic |
| — | — | 4.3L (L35) | W | SFI | Magnetic (3) |
| — | — | 4.3L (LF6) | X | SFI | Magnetic (3) |
| Tahoe & Yukon | C, K | 5.7L (L31) | R | SFI | Magnetic (3) |
| Tracker | E, J | 1.6L (L01) | 6 | MFI | DIS Magnetic |
| — | — | 2.0L (L34) | C | MFI | DIS Magnetic |
| (1) Series designation. (2) Engine code is stamped on engine block. See ENGINE CODE LOCATION . (3) Uses Enhanced Electronic Ignition, utilizing a camshaft and crankshaft position sensor. (4) Mechanical fuel injection. (5) Except Sierra and Silverado. |
| (3) | Uses Enhanced Electronic Ignition, utilizing a camshaft and crankshaft position sensor. |
| (4) | Mechanical fuel injection. |
| (5) | Except Sierra and Silverado. |
VIN Character Position & Definition. Scheme 1
Scheme 1: VIN Character Position & Definition
MODEL/YEAR VIN CODE APPLICATIONS
| VIN Code | Model Year |
|---|
| V | 1997 |
| W | 1998 |
| X | 1999 |
MODEL/YEAR VIN CODE APPLICATION
ENGINE CODE LOCATION
- L01 & L34 On lower left side of engine block, on engine-to-transmission mating flange.
- L29, L57 & L65 On rear left side of engine block, on engine-to-transmission mating flange.
- L30, L31, LM7, LQ4 & LR4 On rear left side of engine block, below left-side cylinder head.
- L35 & LF6 On rear left side of engine block, on engine-to-transmission mating flange, OR on rear right side of engine block, below intake manifold.
- LA1 On left side of engine block, above starter.
- LN2 On top front of rocker cover, OR on rear left side of engine block, above starter.
