GENERAL SPECIFICATIONS & VIN IDENTIFICATION
| Model | (1) Body Code | (2) Engine | ENG. ID | Fuel System | Ignition System |
|---|
| Astro & Safari Safari | M, L | 4.3L (L35) | W | CSI 33 | (3) Magnetic |
| Blazer, Bravada, Jimmy, Sonoma,S10 Pickup | S, T | (4) 2.2L (LN2) 55 | 4 | SFI | Magnetic |
| 4.3L (L35) | W | CSI (5) | (3) Magnetic |
| 4.3L (LF6) | X | CSI (5) | (3) Magnetic |
| Commercial Van & Motorhome (P32/P42) | P | 5.7L (L31) | R | CSI 33 | Magnetic |
| 6.5L (L57) | Y | Diesel | N/A |
| 6.5L (L65) | F | Turbo Diesel | N/A |
| 7.4L (L19) | N | TBI | Magnetic |
| 7.4L (L29) | J | CSI (5) | Magnetic |
| Van | G | 4.3L (L35) | W | CSI (5) | (3) Magnetic |
| 5.0L (L30) | M | CSI (5) | Magnetic |
| 5.7L (L31) | R | CSI (5) | Magnetic |
| 6.5L (L65) | S | Turbo Diesel | N/A |
| 7.4L (L29) | J | CSI (5) | Magnetic |
| Pickup | C, K | 4.3L (L35) | W | CSI (5) | (3) Magnetic |
| 5.0L (L30) | M | CSI (5) | Magnetic |
| 5.7L (L31) | R | CSI (5) | Magnetic |
| 6.5L (L65) | F | Turbo Diesel | N/A |
| 6.5L (L56) | S | Turbo Diesel | N/A |
| 7.4L (L29) | J | CSI (5) | Magnetic |
| Silhouette, Trans Sport & Venture | U | 3.4L (LA1) | E | SFI | Magnetic |
| Suburban | C, K | 5.7L (L31) | R | CSI (5) | Magnetic |
| 6.5L (L65) | F | Turbo Diesel | N/A |
| 7.4L (L29) | J | CSI (5) | Magnetic |
| Tahoe, Yukon | C, K | 5.7L (L31) | R | CSI (5) | Magnetic |
| 6.5L (L56) | S | Turbo Diesel | N/A |
| (1) Series designation. (2) Engine code is stamped on engine block. See ENGINE CODE LOCATION . (3) Uses Enhanced Electronic Ignition (OBD-II), utilizing a camshaft and crankshaft position sensor. (4) 2WD only. (5) Central Sequential Port Injection (CSI). |
| (3) | Uses Enhanced Electronic Ignition (OBD-II), utilizing a camshaft and crankshaft position sensor. |
| (5) | Central Sequential Port Injection (CSI). |
1997 MODEL IDENTIFICATION
VIN DEFINITION
- 1 G C F C 3 4 J 8 V Z 1 0 0 0 0 1
- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
- 1 Indicates Nation Of Origin.
- 2 Indicates Manufacturer.
- 3 Indicates Vehicle Division.
- 4 Indicates Carline Body Code.
- 5 Indicates Carline/Series (Sales Code).
- 6 Indicates Body Type.
- 7 Indicates Restraint System.
- 8 Indicates Engine ID.
- 9 Indicates Check Digit.
- 10 Indicates Model Year.
- 11 Indicates Assembly Plant.
- 12-17 Indicates Plant Sequential Number.
MODEL YEAR VIN CODE APPLICATION
| VIN Code | Model Year |
|---|
| S | 1995 |
| T | 1996 |
| V | 1997 |
MODEL YEAR VIN CODE APPLICATION
ENGINE CODE LOCATION
| Engine Code | Location |
|---|
| L19, L29, L30, L31, L35 & LF6 | On front of engine block, on right side above timing gear cover, OR on left side of engine block, on engine -to-transmission mating flange. |
| L56, L57 & L65 | On front of engine block, right side of timing gear housing casting, OR on top of engine block, near left cylinder head-to-engine block mating surface, at front, OR left side of engine block, on engine-to-transmission mating flange. |
| LA1 | On left side of engine block, on engine-to-transmission mating flange. |
| LN2 | On left side of engine block, under exhaust manifold, OR on left rear of engine, on bellhousing flange. |
| (1) See 1997 MODEL IDENTIFICATION table for engine code prefix. |
