Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
474 Service and Maintenance
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Fluids and lubricants identified below by name or specification, including fluids or lubricants not
listed here, can be obtained from your dealer.
Usage Fluid/Lubricant
Automatic Transmission (8-Speed
Transmission)
DEXRON-HP Automatic Transmission Fluid.
Automatic Transmission (10-Speed
Transmission)
DEXRON ULV Automatic Transmission Fluid.
Chassis Lubrication Chassis lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See
Cooling System 0 386.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity grade.
ACDelco dexos1 full synthetic is recommended. See Engine Oil 0 378.
Hood Latch Assembly, Secondary Latch,
Pivots, Spring Anchor, and Release Pawl
Lubriplate Lubricant Aerosol or lubricant meeting requirements of NLGI #2,
Category LB or GC-LB.
Hydraulic Brake System DOT 4 Hydraulic Brake Fluid.
Key Lock Cylinders, Hood and Door
Hinges
Multi-Purpose Lubricant, Superlube. See your dealer.
Manual Transmission DEXRON III Automatic Transmission Fluid.
Rear Axle/Front Axle (All-Wheel Drive) See your dealer.
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection
requirements.
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