1. 4L60-E Electronically Controlled Automatic Transmission:
- Use Dexron III/Dexron VI automatic transmission fluid.
- Recommended service intervals: 30,000-60,000 miles (50,000-100,000 km) or as specified in your vehicle's owner's manual.
2. NV3500 Manual Transmission:
- Use SAE 75W-90 manual transmission fluid.
- Recommended service intervals: 30,000-60,000 miles (50,000-100,000 km) or as specified in your vehicle's owner's manual.
It is important to consult your vehicle's owner's manual or a reputable repair guide to verify the exact type of transmission fluid required for your specific Chevy truck model and transmission. Failure to use the recommended fluid can affect transmission performance and longevity.
