| Engine Oil |
The engine requires engine oil approved to the dexos™ specification. Oils meeting this specification can be identified with the dexos™ certification mark. Look for and use only an engine oil that displays the dexos™ certification mark of the proper viscosity grade. SAE 5W-30 is the best viscosity grade for the vehicle. Do not use other viscosity oils such as SAE 10W-30, 10W-40, or 20W-50. |
| Engine Coolant |
50/50 mixture of clean, drinkable water and use only DEX-COOL® Coolant GM P/N 12346290 (Canadian P/N 10953464). |
| Hydraulic Brake System |
DOT 3 Hydraulic Brake Fluid GM P/N 12377967 (Canadian P/N 89021320) |
| Windshield Washer |
Optikleen® Washer Solvent |
| Power Steering System |
GM Power Steering Fluid GM P/N 89021184 (Canadian P/N 89021186) |
| Automatic Transmission - 2ML70 |
DEXRON®-VI GM P/N 88861003 (Canadian P/N 88861004) |
| Key Lock Cylinders |
Multi-Purpose Lubricant, Superlube GM P/N 12346241 (Canadian P/N 10953474) |
| Chassis Lubrication |
Chassis Lubricant GM P/N 12377985 (Canadian P/N 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB |
| Front Axle - 1500 Series Vehicles with Four-Wheel Drive |
SAE 80W-90 Axle Lubricant GM P/N 89021671 (Canadian P/N 89021672) |
| Front Axle - 2500 Series Vehicles with Four-Wheel Drive |
Synthetic Gear Oil GM P/N 89021677 (Canadian P/N 89021678) |
| Rear Axle |
Synthetic Gear Oil GM P/N 89021677 (Canadian P/N 89021678) |
| Transfer Case - Four-Wheel Drive |
DEXRON®-VI GM P/N 88861003 (Canadian P/N 88861004) |
| Front Axle Propshaft Spline or One-Piece Propshaft Spline - Two-Wheel Drive with Automatic Transmission |
Spline Lubricant, Special Lubricant GM P/N 19257121 (Canadian P/N 19257122) |
| Hood Hinges |
Multi-Purpose Lubricant, Superlube GM P/N 12346241 (Canadian P/N 10953474) |
| Outer Tailgate Handle Pivot Points |
Multi-Purpose Lubricant, Superlube GM P/N 12346241 (Canadian P/N 10953474) |
| Weatherstrip Conditioning |
Weatherstrip Lubricant GM P/N 3634770 (Canadian P/N 10953518) or Dielectric Silicone Grease GM P/N 12345579 (Canadian P/N 10953481) |
| Weatherstrip Squeaks |
Synthetic Grease with Teflon, Superlube GM P/N 12371287 (Canadian P/N 10953437) |