2014 BUICK Regal LFW/LF4 (Epsilon II)

Epsilon II / Sedan / Wagon / North America / China

LFWLF4Exakter Jahres-/Varianten-DatensatzSilver

Engine identity

Engine code

LFW, LF4

Engine summary

The 2014 Buick Regal was offered mainly with two turbocharged 4-cylinder engines. North America received a 2.0L turbo (LFW) inline-4 and a 2.4L naturally aspirated inline-4 was phased out by 2014 in favor of turbo engines. China offered a 2.0L turbo and a 2.4L engine (LF4) depending on trim and market.

Displacement

1998 cc (2.0L turbo), 2378 cc (2.4L NA)

Power

2.0L turbo: approx 259 hp (varies by market); 2.4L: approx 182 hp

Torque

2.0L turbo: approx 295 lb-ft; 2.4L: approx 172 lb-ft

Fuel system

Direct fuel injection with turbocharging (2.0L); multiport fuel injection (2.4L)

Timing drive

Chain-driven timing for 2.0L turbo engine

OBD-Port

Verify by VIN and market

Oils and fluids

Öltyp

SAE 5W-30 synthetic recommended, meeting GM dexos1™ (or equivalent)

Ölmenge

Approx 5.7 liters (5.1 qt) service-fill with filter change for 2.0L turbo engine

Kühlmittel

Approx 9.0 liters

Flüssigkeit

GM-approved ATF Dexron VI for automatic transmissions

Differential fluid

Dexron VI or equivalent for front-wheel-drive differential

Bremsflüssigkeit

DOT 3 or DOT 4 brake fluid recommended

Service and parts data

Manual transmission

Not available in North America; China market had 6-speed manual on certain trims

Automatic transmission

6-speed automatic (North America); 6-speed manual or 6-speed automatic in China

Spark plugs

Iridium-tipped plugs recommended, gapped to OEM specs

Service interval

Oil change every 7,500 miles (12,000 km) or 12 months; more frequent checks for turbo engine

Reifengrößen

225/50R17, 245/45R18 (depending on trim)

Radmoment

Verify by VIN and market

Common and chronic problems

Turbocharger wastegate issues
Ignition coil failures on higher mileage engines

First checks

Inspect turbocharger and boost control system
Check ignition coils and spark plugs
Verify oil level and change history

Vor dem Teiletausch

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

Different engine trims and transmissions were offered depending on market. North America focused on the turbocharged 2.0L (LFW) with automatic transmission only.
China market offered additional engine configurations and manual transmission choices.

Häufige Codes

Source and verification notes

General Motors official 2014 Buick Regal technical specifications and service manuals
Global automotive market sales and specification databases confirming engine and transmission variations

Kompatible Werkzeuge

Verify by VIN and market

Häufige Fragen

What engine code does the 2014 BUICK Regal LFW/LF4 (Epsilon II) use? 2014 BUICK Regal LFW/LF4 (Epsilon II) is listed here with engine code LFW, LF4; engine summary: The 2014 Buick Regal was offered mainly with two turbocharged 4-cylinder engines. North America received a 2.0L turbo (LFW) inline-4 and a 2.4L naturally aspirated inline-4 was phased out by 2014 in favor of turbo engines. China offered a 2.0L turbo and a 2.4L engine (LF4) depending on trim and market..
What oil and capacity does the 2014 BUICK Regal LFW/LF4 (Epsilon II) use? 2014 BUICK Regal LFW/LF4 (Epsilon II) is listed with SAE 5W-30 synthetic recommended, meeting GM dexos1™ (or equivalent) and oil capacity Approx 5.7 liters (5.1 qt) service-fill with filter change for 2.0L turbo engine. Confirm market and engine option before service.
What are common 2014 BUICK Regal LFW/LF4 (Epsilon II) problems? Highlighted checks for 2014 BUICK Regal LFW/LF4 (Epsilon II): Turbocharger wastegate issues, Ignition coil failures on higher mileage engines.

Engine identity

Engine code

LFW, LF4

Engine summary

Displacement

1998 cc (2.0L turbo), 2378 cc (2.4L NA)

Power

2.0L turbo: approx 259 hp (varies by market); 2.4L: approx 182 hp

Torque

2.0L turbo: approx 295 lb-ft; 2.4L: approx 172 lb-ft

Fuel system

Direct fuel injection with turbocharging (2.0L); multiport fuel injection (2.4L)

Timing drive

Chain-driven timing for 2.0L turbo engine

OBD-Port

Verify by VIN and market

Oils and fluids

Öltyp

SAE 5W-30 synthetic recommended, meeting GM dexos1™ (or equivalent)

Ölmenge

Approx 5.7 liters (5.1 qt) service-fill with filter change for 2.0L turbo engine

Kühlmittel

Approx 9.0 liters

Flüssigkeit

GM-approved ATF Dexron VI for automatic transmissions

Differential fluid

Dexron VI or equivalent for front-wheel-drive differential

Bremsflüssigkeit

DOT 3 or DOT 4 brake fluid recommended

Service and parts data

Manual transmission

Not available in North America; China market had 6-speed manual on certain trims

Automatic transmission

6-speed automatic (North America); 6-speed manual or 6-speed automatic in China

Spark plugs

Iridium-tipped plugs recommended, gapped to OEM specs

Service interval

Oil change every 7,500 miles (12,000 km) or 12 months; more frequent checks for turbo engine

Reifengrößen

225/50R17, 245/45R18 (depending on trim)

Radmoment

Verify by VIN and market

Häufige Fragen

What engine code does the 2014 BUICK Regal LFW/LF4 (Epsilon II) use? 2014 BUICK Regal LFW/LF4 (Epsilon II) is listed here with engine code LFW, LF4; engine summary: The 2014 Buick Regal was offered mainly with two turbocharged 4-cylinder engines. North America received a 2.0L turbo (LFW) inline-4 and a 2.4L naturally aspirated inline-4 was phased out by 2014 in favor of turbo engines. China offered a 2.0L turbo and a 2.4L engine (LF4) depending on trim and market..

What oil and capacity does the 2014 BUICK Regal LFW/LF4 (Epsilon II) use? 2014 BUICK Regal LFW/LF4 (Epsilon II) is listed with SAE 5W-30 synthetic recommended, meeting GM dexos1™ (or equivalent) and oil capacity Approx 5.7 liters (5.1 qt) service-fill with filter change for 2.0L turbo engine. Confirm market and engine option before service.

What are common 2014 BUICK Regal LFW/LF4 (Epsilon II) problems? Highlighted checks for 2014 BUICK Regal LFW/LF4 (Epsilon II): Turbocharger wastegate issues, Ignition coil failures on higher mileage engines.

2014 BUICK Regal LFW/LF4 (Epsilon II)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Vor dem Teiletausch

Important notes

Scanning Engine...

2014 BUICK Regal LFW/LF4 (Epsilon II)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Vor dem Teiletausch

Important notes