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Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
368
SERVICE AND MAINTENANCE
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Usage
Fluid/Lubricant
Automatic Transmission
DEXRON-ULV Automatic Transmission Fluid (GM Part No. 19352619, in
Canada 19352620).
Engine Coolant
50/50 mixture of clean drinkable water and use only DEX-COOL Coolant.
Engine Oil (3.6L V6 Engine)
Engine oil meeting the dexos1 specification of the proper SAE viscosity grade.
ACDelco dexos1 full synthetic is recommended. See
Engine Oil (4.2L V8 Twin Turbo Engine) Engine oil meeting the dexos2 specification of the proper SAE viscosity grade.
ACDelco dexos2 is recommended. See
Hood Latch Assembly, 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 (Except V-Series)/Front Axle
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88863089, in
Canada 88863090).
Rear Axle (V-Series)
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88862624, in
Canada 88862625).
Transfer Case (All-Wheel Drive)
Transfer Case Fluid (GM Part No. 19331044, in Canada 19331045).