Lamp replacement
| headlight bulbs | Trading number | Power at 12.8V Watts | Quantity |
| 2-lamp system | |||
| far/near | 46054 | 65/35 | 2 |
| 4-lamp system | |||
| Near | 9006 | 55 | 2 |
| Further | 9005 | 65 | 2 |
| Outdoor lamps | |||
| front marker | 194 | 2 | |
| Parking and turning | 2357NA | 4 | |
| Rear parking | 3057 | 2 | |
| Rear stop and turning | 3957 | 2 | |
| Reverse | 3156 | 2 | |
| Marker on the roof* | 194 | 5 | |
| License plate lighting | 194 | 2 | |
| under the hood | 93 | 1 | |
| backlights | 232 | 1 | |
| Lamps internal | |||
| Interior lighting | 211-2 | 2 | |
| For reading | 211-2 | 4 | |
| Roof consoles* | 168 | 2 | |
| Door lights | 194 | 2/4* | |
| 4-drive indicator | 194 | 1 | |
| 4-actuator arm | 194 | 1 | |
| glove box | 194 | 1 | |
| Ashtrays | 194 | 1 | |
| cosmetic mirror | 74 | 4 |
*Suburban only
Engine differences
| Engine | «VORTEC» 5700 | «VORTEC» 7400 |
| Type | V8 | V8 |
| RPO Code | L31 | L29 |
| VIN Code | R | J |
| Fuel system | SFP | SFI* |
* Sequential fuel injection
Wheels and tires
| Model | Fastening | Torque |
| From 1500 | 5 bolts (14 mm) | 190 N-m |
| K 1500, S-K 2500 | 6 bolts (14 mm) | 190 N-m |
| S-K 2500 | 8 bolts (14 mm) | 190 N-m |
| Tire pressure | See certificate (tire card on the rear edge of the driver's door) or vehicle documentation. | |
Spare parts for proper maintenance
The spare parts listed in this section are based on the latest information available at the time of printing. If a part listed in this manual is not the same as your vehicle or if you have questions, please contact your dealer.
| Engine | «VORTEC» 5700 | «VORTEC» 7400 |
| VIN | R | J |
| Oil filter | AC type PF1218 | AC type PF1218 |
| Air filter | AC type A1300C | AC type A1300C |
| Spark plug | AC type 41-932 | AC type 42-932 |
| spark plug cap | 1.52 mm | 1.52 mm |
| Fuel filter | AC type GF626 | AC type GF626 |
| Front wipers | GM Part N22154886 | GM Part N22154886 |
| Front wiper | Trico | Trico |
| Wiper length | 45 cm | 45cm |
| Rear wiper | GM Pari N22154396 | GM Part N22154396 |
| Rear wiper | Trico | Trico |
| Wiper length | 35.5 cm | 35.5 cm |
Engine cooling capacity
After filling, the level must be checked.
| Engine | VIN | Quantity without rear heater | Quantity with rear heater |
| «VORTEC» 5700 | R | 16.5 liters | 19 liters |
| «VORTEC» 7400 | J | 23.5 liters | 26 liters |
Engine oil sump capacity
After filling, the level must be checked.
| Engine | VIN | Quantity with filter |
| «VORTEC» 5700 | R | 4.8 liters |
| «VORTEC» 7400 | J | 6.5 liters |
Fuel tank capacity
| Type | Quantity |
| Utility standard | 133 liters |
| Suburban standard | 159 liters |