2009 CHEVROLET Impala LY7/LLT (GMX192)

GMX192 / Sedan / North America / select global markets

LY7LLTLMXLFXLUAFiche exacte année/versionGold

Engine identity

Engine code

LY7, LLT, LMX, LFX, LUA

Engine summary

V6 and V8 engines; primarily a 3.5L V6 (LY7) and 3.9L V6 (LLT) in North America; 3.6L V6 (LFX) available in later 2009 models; 5.3L V8 (LMX) as optional in some markets; 2.4L I4 (LUA) available in limited markets.

Displacement

3.5L - 5.3L (varied by engine code and market)

Power

211-303 hp depending on engine

Torque

214-323 lb-ft depending on engine

Fuel system

Sequential multi-port fuel injection

Timing drive

Chain-driven timing

Port OBD

Verify by VIN and market

Oils and fluids

Type d’huile

SAE 5W-30 synthetic recommended

Capacité d’huile

Approx. 6.0 qt (5.7 L) service-fill including filter (varies by engine)

Liquide de refroidissement

Approx. 12.0 qt (11.4 L) including radiator and engine block

Fluide

Dexron VI automatic transmission fluid

Differential fluid

Typically SAE 75W-90 synthetic gear oil

Liquide de frein

DOT 3 or DOT 4 brake fluid

Service and parts data

Manual transmission

Not available

Automatic transmission

4-speed automatic (early 2009), 6-speed automatic (late 2009 for V6 LFX engine)

Spark plugs

Iridium tip recommended, gap approx. 0.044 inch (1.1 mm)

Service interval

Oil change every 7,500 miles or 12 months under normal conditions

Dimensions des pneus

P225/60R16, P225/55R17

Couple de roue

Verify by VIN and market

Common and chronic problems

Fuel pump failure (early V6 models)
Ignition coil packs failure
Electrical system issues

First checks

Inspect fuel pump and ignition coils
Check transmission fluid condition

Avant de remplacer des pièces

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

Multiple engine options with regional variations, mostly confirmed for North America but some versions sold in other markets such as Middle East and China.
Service-fill oil capacity includes oil filter change.

Codes courants

Source and verification notes

2009 Chevrolet Impala Owner's Manual - Engine and Maintenance Specs
GM Powertrain Technical Service Bulletins and Repair Guides, 2009 Model Year

Outils compatibles

Verify by VIN and market

Questions fréquentes

What engine code does the 2009 CHEVROLET Impala LY7/LLT (GMX192) use? 2009 CHEVROLET Impala LY7/LLT (GMX192) is listed here with engine code LY7, LLT, LMX, LFX, LUA; engine summary: V6 and V8 engines; primarily a 3.5L V6 (LY7) and 3.9L V6 (LLT) in North America; 3.6L V6 (LFX) available in later 2009 models; 5.3L V8 (LMX) as optional in some markets; 2.4L I4 (LUA) available in limited markets..
What oil and capacity does the 2009 CHEVROLET Impala LY7/LLT (GMX192) use? 2009 CHEVROLET Impala LY7/LLT (GMX192) is listed with SAE 5W-30 synthetic recommended and oil capacity Approx. 6.0 qt (5.7 L) service-fill including filter (varies by engine). Confirm market and engine option before service.
What are common 2009 CHEVROLET Impala LY7/LLT (GMX192) problems? Highlighted checks for 2009 CHEVROLET Impala LY7/LLT (GMX192): Fuel pump failure (early V6 models), Ignition coil packs failure, Electrical system issues.

Engine identity

Engine code

LY7, LLT, LMX, LFX, LUA

Engine summary

Displacement

3.5L - 5.3L (varied by engine code and market)

Power

211-303 hp depending on engine

Torque

214-323 lb-ft depending on engine

Fuel system

Sequential multi-port fuel injection

Timing drive

Chain-driven timing

Port OBD

Verify by VIN and market

Oils and fluids

Type d’huile

SAE 5W-30 synthetic recommended

Capacité d’huile

Approx. 6.0 qt (5.7 L) service-fill including filter (varies by engine)

Liquide de refroidissement

Approx. 12.0 qt (11.4 L) including radiator and engine block

Fluide

Dexron VI automatic transmission fluid

Differential fluid

Typically SAE 75W-90 synthetic gear oil

Liquide de frein

DOT 3 or DOT 4 brake fluid

Service and parts data

Manual transmission

Not available

Automatic transmission

4-speed automatic (early 2009), 6-speed automatic (late 2009 for V6 LFX engine)

Spark plugs

Iridium tip recommended, gap approx. 0.044 inch (1.1 mm)

Service interval

Oil change every 7,500 miles or 12 months under normal conditions

Dimensions des pneus

P225/60R16, P225/55R17

Couple de roue

Verify by VIN and market

Questions fréquentes

What engine code does the 2009 CHEVROLET Impala LY7/LLT (GMX192) use? 2009 CHEVROLET Impala LY7/LLT (GMX192) is listed here with engine code LY7, LLT, LMX, LFX, LUA; engine summary: V6 and V8 engines; primarily a 3.5L V6 (LY7) and 3.9L V6 (LLT) in North America; 3.6L V6 (LFX) available in later 2009 models; 5.3L V8 (LMX) as optional in some markets; 2.4L I4 (LUA) available in limited markets..

What oil and capacity does the 2009 CHEVROLET Impala LY7/LLT (GMX192) use? 2009 CHEVROLET Impala LY7/LLT (GMX192) is listed with SAE 5W-30 synthetic recommended and oil capacity Approx. 6.0 qt (5.7 L) service-fill including filter (varies by engine). Confirm market and engine option before service.

What are common 2009 CHEVROLET Impala LY7/LLT (GMX192) problems? Highlighted checks for 2009 CHEVROLET Impala LY7/LLT (GMX192): Fuel pump failure (early V6 models), Ignition coil packs failure, Electrical system issues.

2009 CHEVROLET Impala LY7/LLT (GMX192)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Avant de remplacer des pièces

Important notes

Scanning Engine...

2009 CHEVROLET Impala LY7/LLT (GMX192)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Avant de remplacer des pièces

Important notes