MAINTENANCE & FLUIDS
2015 Chevrolet Silverado 1500 Transfer Case Fluid & 4WD Service
The 2015 Silverado 1500 factory fluid chart lists DEXRON-VI for the 4WD transfer case, with an approximate capacity of 1.5 L (1.6 US qt).
Confirm the engine, trim, drivetrain, market and installed equipment before using a part number, capacity or repair procedure.
2015 Silverado 1500 4WD transfer case service
| Item | 2015 published value |
|---|---|
| Transfer case fluid | DEXRON-VI automatic transmission fluid |
| Approximate transfer case capacity | 1.5 L / 1.6 US qt |
| Severe-use fluid interval | 45,000 mi / 72,000 km |
| Extreme-use fluid interval | 22,500 mi / 36,000 km |
Intervals follow the specific severe or extreme use schedule; identify the unit and confirm current GM instructions.
Find the correct transfer case
The 2015 GM owner-manual fluid chart lists DEXRON-VI automatic transmission fluid for the four-wheel-drive transfer case. The capacity table gives approximately 1.5 L (1.6 US qt). This is an approximate total fill figure; the final level is established using the fill opening and the correct service procedure for the installed transfer case.
Signs of trouble
Grinding, delayed shifts into four-wheel drive, warning messages or a fluid leak may involve the transfer case, actuators, switches or wiring. Confirm whether the issue occurs in 2HI, 4HI, 4LO or AUTO, if fitted. Do not engage 4LO while moving unless the official procedure allows the stated conditions.
- Check the extreme-duty and severe-service intervals.
- Investigate drivetrain noises before extended 4WD use.
- Use exact fill and level procedures for the installed unit.
Use the correct model-year manual and current service information. Stop if instructions or safety precautions are unclear, and use a qualified technician for work you cannot verify.
References and further reading
This independent guide is not endorsed by the vehicle manufacturer. Let us know if you spot an error.