Fluid and Lubricant Recommendations
| Usage | Fluid/Lubricant |
|---|---|
| Automatic Transmission (Except CTS-V and V-Sport) | DEXRON®-HP Automatic Transmission Fluid (GM Part No. 19355656, in Canada 19355657) |
| Automatic Transmission (CTS-V and V-Sport Only) | AW-1 Automatic Transmission Fluid (GM Part No. 19256039, in Canada 19256040) |
| Electronic Limited-Slip Differential (eLSD) Hydraulic Apply Fluid (CTS-V and V-Sport Only) | DEXRON®-VI Automatic Transmission Fluid (GM Part No. 88865601, in Canada 19367328) |
| Engine Coolant | 50/50 mixture of clean, drinkable water and DEX-COOL Coolant (GM Part No. 12346290, in Canada 10953464) |
| Engine Oil | Engine oil meeting the dexos1™ specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. In all engines except for the 6.2L (LT4) V8 engine use SAE 5W-30 viscosity grade engine oil. In the 6.2L (LT4) V8 engine use SAE 0W-40 viscosity grade engine oil. If 0W-40 dexos2 oil is not available, SAE 5W-30 dexos1 full synthetic engine oil may be used for street use. |
| Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor, and Release Pawl | Lubriplate Lubricant Aerosol (GM Part No. 89021668, in Canada 89021674) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB. |
| Hydraulic Brake System | DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in Canada 19353127) |
| Key Lock Cylinders, Hood and Door Hinges | Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474) |
| Rear Axle/Front Axle (All-Wheel Drive) | SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88863089, in Canada 88863090) meeting GM Specification 9986285. |
| Rear Axle (Limited-Slip Differential) | SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88862624, in Canada 88862625) meeting GM Specification 9986290. |
| Rear Axle (Non-Limited Slip Differential) | SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88863089, in Canada 88863090) meeting GM Specification 9986285. |
| Transfer Case (All-Wheel Drive) | Transfer Case Fluid (GM Part No. 88861950, in Canada 88861951) |
| Weatherstrip Conditioning | Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or equivalent |
| Windshield Washer | Optikleen Washer Solvent (GM Part No. 1051515, in Canada 10951147) |