390 Service and Maintenance
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Usage Fluid/Lubricant
Engine Oil Engine oil meeting the dexos1™ specification of the proper SAE viscosity
grade. ACDelco dexos1 Synthetic Blend is recommended. See Engine
Oil 0 314.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL
®
Coolant.
See Engine Coolant 0 320.
Hydraulic Brake System DOT 4 Hydraulic Brake Fluid (GM Part No. 19299570, in
Canada 19299571).
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection
requirements.
Automatic Transmission DEXRON
®
-VI Automatic Transmission Fluid.
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.
Key Lock Cylinders, Hood and Door
Hinges
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or
Dielectric Silicone Grease (GM Part No. 12345579, in Canada 10953481).
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