2016 CADILLAC CT6 LFX/LXT (C1)

C1 / Sedan 4-door / North America / China / selected global markets

LFXLXT3.0L TT V6 LGWRegistro exacto de año/versiónGold

Engine identity

Engine code

LFX, LXT, 3.0L TT V6 LGW

Engine summary

2016 Cadillac CT6 offered three main engines globally: a 2.0L turbo inline-4 (engine code LFK in China market), a 3.6L V6 (engine code LFX in North America and China), and a 3.0L twin-turbo V6 (LGW) for the North American flagship trim.

Displacement

2.0L I4, 3.6L V6, 3.0L Twin-Turbo V6

Power

2.0L: approx. 268 hp; 3.6L: 335 hp; 3.0L TT: 404 hp

Torque

2.0L: approx. 260 lb-ft; 3.6L: 284 lb-ft; 3.0L TT: 400 lb-ft

Fuel system

Direct Injection with VVT on gasoline engines

Timing drive

Chain-driven variable valve timing

Puerto OBD

Verify by VIN and market

Oils and fluids

Tipo de aceite

SAE 5W-30 synthetic motor oil meeting GM dexos1 Gen 2

Capacidad de aceite

Approximately 6.5 liters (including filter) for 3.6L and 3.0L engines; service-fill capacity including filter replacement

Refrigerante

Circa 11 liters, varies by engine variant and cooling configuration

Fluido

GM Dexron VI automatic transmission fluid

Differential fluid

Synthetic gear oil, specification per GM recommendation

Líquido de frenos

DOT 4

Service and parts data

Manual transmission

Not offered

Automatic transmission

8-speed automatic (GM 8L90 or 8L45) depending on engine

Spark plugs

Iridium-tipped, gap approx. 0.042 inches (1.1 mm)

Service interval

Typically 15,000 miles or 12 months oil change interval with synthetic oil; other maintenance intervals per owner's manual

Medidas de neumáticos

245/45R19, 245/40R20, 265/35R21

Torque de rueda

Verify by VIN and market

Common and chronic problems

Early build models had some air suspension sensor issues
Turbocharged engine variants may require periodic inspection of intercooler lines

First checks

Verify oil level and condition
Check transmission fluid level and quality
Inspect brake fluid and pads
Monitor for any engine fault codes especially on turbocharged variants

Antes de cambiar piezas

Save fault codes and freeze-frame data before clearing anything.
Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

CT6 was launched in North America and China in 2016; engine availability varies by market
No manual transmission offered; all sold CT6s have automatic transmissions

Códigos comunes

Source and verification notes

Official Cadillac 2016 CT6 technical specifications and owner's manuals
Automotive industry reviews and technical data sites covering global CT6 variants 2016

Herramientas compatibles

Verify by VIN and market

Preguntas frecuentes

What engine code does the 2016 CADILLAC CT6 LFX/LXT (C1) use? 2016 CADILLAC CT6 LFX/LXT (C1) is listed here with engine code LFX, LXT, 3.0L TT V6 LGW; engine summary: 2016 Cadillac CT6 offered three main engines globally: a 2.0L turbo inline-4 (engine code LFK in China market), a 3.6L V6 (engine code LFX in North America and China), and a 3.0L twin-turbo V6 (LGW) for the North American flagship trim..
What oil and capacity does the 2016 CADILLAC CT6 LFX/LXT (C1) use? 2016 CADILLAC CT6 LFX/LXT (C1) is listed with SAE 5W-30 synthetic motor oil meeting GM dexos1 Gen 2 and oil capacity Approximately 6.5 liters (including filter) for 3.6L and 3.0L engines; service-fill capacity including filter replacement. Confirm market and engine option before service.
What are common 2016 CADILLAC CT6 LFX/LXT (C1) problems? Highlighted checks for 2016 CADILLAC CT6 LFX/LXT (C1): Early build models had some air suspension sensor issues, Turbocharged engine variants may require periodic inspection of intercooler lines.

Engine identity

Engine code

LFX, LXT, 3.0L TT V6 LGW

Engine summary

Displacement

2.0L I4, 3.6L V6, 3.0L Twin-Turbo V6

Power

2.0L: approx. 268 hp; 3.6L: 335 hp; 3.0L TT: 404 hp

Torque

2.0L: approx. 260 lb-ft; 3.6L: 284 lb-ft; 3.0L TT: 400 lb-ft

Fuel system

Direct Injection with VVT on gasoline engines

Timing drive

Chain-driven variable valve timing

Puerto OBD

Verify by VIN and market

Oils and fluids

Tipo de aceite

SAE 5W-30 synthetic motor oil meeting GM dexos1 Gen 2

Capacidad de aceite

Approximately 6.5 liters (including filter) for 3.6L and 3.0L engines; service-fill capacity including filter replacement

Refrigerante

Circa 11 liters, varies by engine variant and cooling configuration

Fluido

GM Dexron VI automatic transmission fluid

Differential fluid

Synthetic gear oil, specification per GM recommendation

Líquido de frenos

DOT 4

Service and parts data

Manual transmission

Not offered

Automatic transmission

8-speed automatic (GM 8L90 or 8L45) depending on engine

Spark plugs

Iridium-tipped, gap approx. 0.042 inches (1.1 mm)

Service interval

Typically 15,000 miles or 12 months oil change interval with synthetic oil; other maintenance intervals per owner's manual

Medidas de neumáticos

245/45R19, 245/40R20, 265/35R21

Torque de rueda

Verify by VIN and market

Preguntas frecuentes

What engine code does the 2016 CADILLAC CT6 LFX/LXT (C1) use? 2016 CADILLAC CT6 LFX/LXT (C1) is listed here with engine code LFX, LXT, 3.0L TT V6 LGW; engine summary: 2016 Cadillac CT6 offered three main engines globally: a 2.0L turbo inline-4 (engine code LFK in China market), a 3.6L V6 (engine code LFX in North America and China), and a 3.0L twin-turbo V6 (LGW) for the North American flagship trim..

What oil and capacity does the 2016 CADILLAC CT6 LFX/LXT (C1) use? 2016 CADILLAC CT6 LFX/LXT (C1) is listed with SAE 5W-30 synthetic motor oil meeting GM dexos1 Gen 2 and oil capacity Approximately 6.5 liters (including filter) for 3.6L and 3.0L engines; service-fill capacity including filter replacement. Confirm market and engine option before service.

What are common 2016 CADILLAC CT6 LFX/LXT (C1) problems? Highlighted checks for 2016 CADILLAC CT6 LFX/LXT (C1): Early build models had some air suspension sensor issues, Turbocharged engine variants may require periodic inspection of intercooler lines.

2016 CADILLAC CT6 LFX/LXT (C1)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Antes de cambiar piezas

Important notes

Scanning Engine...

2016 CADILLAC CT6 LFX/LXT (C1)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Antes de cambiar piezas

Important notes