Vehicle Segment:
Full-size sedan
Key Competitors:
Ford Crown Victoria, Mercury Grand Marquis, Toyota Avalon, Chrysler Concorde
Model Highlights:
Comfortable ride, spacious interior, powerful engine options, iconic American sedan
Benefits To Owner:
Enables DIY repairs, reduces maintenance costs, provides factory-accurate information
Engine Mechanics:
Complete engine diagnosis, repair, and overhaul (including V6 and V8 configurations)
Fuel System:
Fuel injection, fuel pump, fuel filter, pressure regulator, evaporative emission control (EVAP)
Ignition System:
Spark plugs, ignition coils, crank/cam sensors, ignition timing
Cooling System:
Radiator, water pump, thermostat, coolant, fan clutch, HVAC integration
Exhaust System:
Manifolds, catalytic converter, mufflers, O2 sensors, emissions controls
Drivetrain:
Front-wheel drive (FWD) transaxle (automatic transmission), drive axles, CV joints
Suspension System:
Front struts, rear shocks, control arms, ball joints, bushings, stabilizer bars
Steering System:
Power steering pump, rack and pinion, tie rods, steering column
Brake System:
Front disc brakes, rear drum brakes (standard), ABS system components, hydraulic lines, master cylinder
Electrical System:
Battery, alternator, starter motor, fuses, relays, lighting, power windows, locks
Body And Chassis:
Body panels, doors, bumpers, interior trim, chassis components, corrosion prevention
HVAC:
Air conditioning system, heater core, blower motor, climate controls, refrigerant handling
Diagnostic Troubleshooting:
OBD-II diagnostic trouble codes (DTCs), diagnostic procedures for all major systems
Maintenance Procedures:
Oil changes, filter replacements, fluid checks and top-offs, belt inspections, spark plug replacement
Repair Procedures:
Detailed step-by-step instructions for component removal, installation, and adjustment
Troubleshooting Guides:
Symptom-based diagnostic trees and repair recommendations
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle circuits
Technical Specifications:
Torque values, clearances, fluid capacities, pressure specifications
Depth:
Factory-level diagnostics and repair procedures
Engine 1:
3.8L V6 (Series II 3800)
Engine 1 Displacement:
3791 cc (231 cu in)
Engine 1 Bore X Stroke:
96.5 mm x 87.0 mm (3.80 in x 3.43 in)
Engine 1 Compression Ratio:
9.4:1
Engine 1 Horsepower:
200 hp @ 5200 rpm
Engine 1 Torque:
230 lb-ft @ 4000 rpm
Engine 1 Valvetrain:
OHV, 12 valves (2 valves per cylinder), Sequential Fuel Injection (SFI)
Engine 2:
4.0L V8 (Northstar)
Engine 2 Displacement:
3990 cc (243 cu in)
Engine 2 Bore X Stroke:
86.0 mm x 87.0 mm (3.39 in x 3.43 in)
Engine 2 Compression Ratio:
10.3:1
Engine 2 Horsepower:
240 hp @ 6000 rpm
Engine 2 Torque:
275 lb-ft @ 4400 rpm
Engine 2 Valvetrain:
DOHC, 32 valves (4 valves per cylinder), Sequential Fuel Injection (SFI)
Fuel Delivery:
Electronic Fuel Injection (EFI) with Sequential Port Injection (SPI)
Fuel Type:
Unleaded gasoline, 87 octane (minimum)
Oil Change Interval:
Every 7,500 miles (12,000 km) or 6 months, whichever comes first (synthetic blend or full synthetic recommended)
Air Filter Replacement:
Every 30,000 miles (48,000 km)
Spark Plug Replacement V6:
Every 100,000 miles (160,000 km) (Platinum or Iridium plugs)
Spark Plug Replacement V8:
Every 100,000 miles (160,000 km) (Platinum or Iridium plugs)
Engine Oil Capacity V6:
4.5 quarts (4.3 L) with filter (API SJ or higher, SAE 5W-30 recommended)
Engine Oil Capacity V8:
4.5 quarts (4.3 L) with filter (API SJ or higher, SAE 5W-30 recommended)
Coolant Capacity:
11.0 quarts (10.4 L) (GM specified orange coolant recommended)
Common Issues V6:
Intake manifold gasket leaks, fuel pump failures, torque converter shudder (on early models of the 3800 Series II)
Common Issues V8:
Oil leaks from rear main seal, timing chain tensioner issues, spark plug thread stripping (on some Northstar applications)
Common Issues General:
Window regulator failures, HVAC blower motor failures, ABS sensor issues
Chevrolet Legacy:
Long-standing American automotive manufacturer with a history of popular sedans and performance vehicles.
Impala Lineage:
The Impala nameplate has a rich history, evolving from a full-size, rear-wheel-drive flagship to a front-wheel-drive platform in its later iterations. The 2001 model is part of the ninth generation, introduced in 1994.
Production Location:
General Motors Oshawa Car Assembly, Oshawa, Ontario, Canada