2000-2005

Engine 3.4L 6-Cylinder OHV

• Recommended Oil Viscosity: 5W-30

• Oil certification: API

• Drain plug torque: 18 ft-lbs

• Oil capacity: 4.0 quarts

Spark Plug Gap

• 3.4L 6-Cylinder: 0.060''

Engine 3.8L 6-Cylinder

• Recommended Oil Viscosity: 5W-30

• Oil certification: API

• Drain plug torque: 18 ft-lbs

• 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

• 3400 V6 Engine: 11.3 quarts (10.7 L)

• 3800 V6 Engine: 11.7 quarts (11.0 L)

• 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 

• Type: DEXRON®-III Automatic Transmission Fluid. Look for “Approved for the H-Specifification” on the label

• Capacity

• Pan Removal and Replacement: 7.4 quarts (7.0 L)

• After Complete Overhaul (When draining/replacing converter, more fluid may be needed.):10.0 quarts (9.5 L)

Powertrain

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Engine

• 3.4 L LA1 V6 (gasoline)

• 3.8 L L36 V6 (gasoline)

• 3.8 L L67 V6 SC (gasoline)

Transmission

• 4-speed 4T65-E automatic

• 4-speed 4T65E-HD automatic

Fuel Consumption

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Safety Ratings

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References

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1. 2005 CHEVROLET IMPALA Owners Manual

2. CHEVROLET IMPALA - Wikipedia.org

3. US Department of Energy - FuelEconomy.gov

4. NHTSA | National Highway Traffic Safety Administration -  NHTSA.gov