Lubrication Specifications
LUBRICATION SPECIFICATIONS
| Application |
Specification |
| Automatic Transmission |
Dexron-III ATF |
| Brake Master Cylinder |
Delco Supreme 11 Or DOT 3 |
| Hydraulic Clutch System |
Delco Supreme 11 Or DOT 3 |
| Cooling System |
DEX-COOL & Water 50/50 Mix |
| Engine Oil |
| Light Duty Gasoline (GVWR 8500 Or Less) |
| Operating Temperature |
| All Climate Conditions |
SAE 5W-50 API SH/CD |
| More Than 0°F (-10°C) |
SAE 10W-30 API SH/CD |
| Heavy Duty Gasoline (GVWR 8501 Or More) |
| Operating Temperature |
| More Than 0°F (-10°C) |
SAE 10W-30 API SH Preferred |
| Less Than 60°F (16°C) |
SAE 5W-30 API SH |
| Diesel Engines |
| Operating Temperatures |
| More Than 0°F (-18°C) |
SAE 15W-40 CF-4/SH or CE/SH |
| Less Than 32°F (0°C) |
SAE 10W-30 CF-4/SH or CE/SH |
| More Than 40°F (4°C) |
SAE 30 CF-4/SH or CE/SH |
| Power Steering |
Power Steering Fluid (GM 1050017) |
| Differential |
| Rear (Non-Locking) |
SAE 80W-90 API GL-5 |
| Rear (Locking) |
SAE 80W-90 API GL-5 |
| 3500HD |
SAE 80W-90 GL-5 or SAE 75W-140 Synthetic Gear Lubricant |
| Wheel Bearings |
NLGI Grade 2 Category GC-LB |
| Drive Shaft U-Joints |
NLGI Grade 2 Category GC-LB |
| Steering Linkage |
NLGI Grade 2 Category GC-LB |
| Ball Joints |
NLGI Grade 2 Category GC-LB |
| King Pin Bushings |
NLGI Grade 2 Category GC-LB |
| Weatherstrip |
Dielectric Silicone Grease |