Engine 3.4L 6-Cylinder OHV
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Recommended Oil Viscosity: 5W-30
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Oil certification: API
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Drain plug torque: 18 ft-lbs
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Oil capacity: 4.0 quarts
Spark Plug Gap
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3.4L 6-Cylinder: 0.060''
Engine 3.8L 6-Cylinder
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Recommended Oil Viscosity: 5W-30
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Oil certification: API
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Drain plug torque: 18 ft-lbs
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Oil capacity: 4.0 quarts
Spark Plug Gap
- 3.8L 6-Cylinder : 0.060''
- Capacity: 1.0 kg (2.3 lbs)
Cooling System Including Reservoir
- Capacity
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3400 V6 Engine: 11.3 quarts (10.7 L)
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3800 V6 Engine: 11.7 quarts (11.0 L)
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3800 Supercharged V6 Engine: 11.7 quarts (11.0 L)
Engine Coolant
- Type: 50/50 mixture of clean, drinkable water and use only DEX-COOL® Coolant
Hydraulic Brake System
- Type: Delco Supreme 11 Brake Fluid or equivalent DOT-3 brake fluid.
Windshield Washer Solvent
- Type: GM Optikleen® Washer Solvent.
Power Steering System
- Type: GM Power Steering Fluid (GM Part No. U.S. 89021184, in Canada 89021186).
Key Lock Cylinders
- Type: Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474)
Supercharger
- Type: Supercharger Oil (GM Part No. U.S. 12345982, in Canada 10953513).
Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor, and Release Pawl
- Type: Lubriplate Lubricant Aerosol (GM Part No. U.S. 12346293, in Canada 992723) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Hood and Door Hinges
- Type: Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474)
Weatherstrip Conditioning
- Type: Dielectric Silicone Grease (GM Part No. U.S.12345579, in Canada 992887)
Automatic Transaxle
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Type: DEXRON®-III Automatic Transmission Fluid. Look for “Approved for the H-Specifification” on the label
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Capacity
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Pan Removal and Replacement: 7.4 quarts (7.0 L)
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After Complete Overhaul (When draining/replacing converter, more fluid may be needed.):10.0 quarts (9.5 L)
Powertrain
Engine
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3.4 L LA1 V6 (gasoline)
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3.8 L L36 V6 (gasoline)
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3.8 L L67 V6 SC (gasoline)
Transmission
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4-speed 4T65-E automatic
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4-speed 4T65E-HD automatic
Fuel Consumption

Safety Ratings

References
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2005 CHEVROLET IMPALA Owners Manual
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CHEVROLET IMPALA - Wikipedia.org
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US Department of Energy - FuelEconomy.gov
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NHTSA | National Highway Traffic Safety Administration - NHTSA.gov
Lights
Front Lights
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Front Fog Light Bulb: 893
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Front Sidemarker Light Bulb: 194
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Front Turn Signal Light Bulb:
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3157-SCK
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3457NAK
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High Beam Headlight Bulb: 9005
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Low Beam Headlight Bulb: 9006
Rear Lights
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Back Up Light Bulb: 921
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Brake Light Bulb:
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3157-SCK
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3057
-
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Center High Mount Stop Light Bulb: LED
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License Plate Light Bulb: 194
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Parking Light Bulb:
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3157-SCK
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3457NAK
-
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Rear Sidemarker Light Bulb: 194
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Rear Turn Signal Light Bulb:
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3157-SCK
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3057
-
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Tail Light Bulb:
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3157-SCK
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3057
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Interior Lights
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Ash Tray Light Bulb: 194
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Courtesy Light Bulb: 192
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Dome Light Bulb: 578
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Glove Box Light Bulb: 194
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Map Light Bulb: 192
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Trunk Light Bulb: 912