Segment:
Executive Sedan (E-segment).
Brand Identity:
Known for sporty driving dynamics, distinctive Italian design, and luxurious interiors.
Key Competitors:
BMW 5 Series, Mercedes-Benz E-Class, Audi A6, Jaguar S-Type, Volvo S80.
Design Philosophy:
Giugiaro-designed exterior, elegant and driver-focused interior.
Driving Experience:
Engaging handling, responsive steering, comfortable ride.
Target Audience:
DIY enthusiasts, independent repair shops, and professional mechanics.
Benefit:
Saves time and money by providing accurate, detailed repair and maintenance information.
Vehicle Scope:
All Alfa Romeo 166 models equipped with the 2.0 TB engine.
Geographical Scope:
Global (reflecting European market specifications).
Estimated Pages:
Refer to specific digital manual file size, typically 1000+ pages for comprehensive coverage.
Type:
Full Service and Repair Manual
Delivery Method:
Instant Download
File Type:
Disc Image File (.ISO) / Application (.exe)
Powertrain:
Engine mechanical (2.0 TB Twin Spark Turbo), cooling, lubrication, fuel, ignition, exhaust, emission controls.
Transmission:
Manual and Automatic transmission systems (overhaul, diagnostics, fluid services).
Drivetrain:
Front-wheel drive system, differential, drive axles, CV joints.
Suspension:
Front and rear suspension components, shock absorbers, springs, bushings, alignment procedures.
Steering:
Power steering system, steering column, tie rods, steering rack.
Brakes:
Hydraulic brake system, ABS, EBD, brake calipers, discs, pads, lines, master cylinder, bleeding procedures.
Electrical System:
Battery, charging system, starter, lighting, ignition, body control modules, fuse box diagrams, wiring schematics.
HVAC:
Heating, Ventilation, and Air Conditioning system (refrigerant, compressor, blower motor, climate control).
Body And Chassis:
Body panels, doors, windows, interior trim, chassis components, corrosion protection.
Diagnostics:
On-Board Diagnostics (OBD) II procedures, fault code interpretation, troubleshooting flowcharts.
Maintenance:
Routine servicing (oil changes, filter replacements, fluid checks, spark plugs, timing belts).
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon faults.
Repair:
Detailed instructions for component removal, disassembly, repair, and reassembly.
Installation:
Procedures for installing new or replacement parts and components.
Rebuilds:
Comprehensive instructions for engine and transmission rebuilds.
Calibration:
Procedures for calibrating sensors and control modules.
Level:
Comprehensive from basic DIY to professional workshop level.
Detail Level:
Step-by-step instructions with exploded views, diagrams, torque specifications, and diagnostic data.
File Type Details:
ISO image requires mounting software (e.g., DAEMON Tools, Virtual CloneDrive) or extraction software. EXE application may be self-executing or require specific runtime environments.
Printable:
Full Printable (allows users to print specific sections or the entire manual).
Zoom Functionality:
YES (allows detailed viewing of diagrams and text).
Binding:
Digital (downloadable ISO/EXE).
Paper Type:
N/A (digital format).
Engine Code:
166.040 (likely for 2.0 TB)
Engine Type:
Inline 4-cylinder, turbocharged, Twin Spark (2 spark plugs per cylinder).
Displacement:
1970 cc (2.0 Liters)
Bore X Stroke:
83.0 mm x 91.0 mm (typical for this engine family).
Compression Ratio:
8.5:1 (approximate, may vary with specific turbocharger setup).
Horsepower:
205 PS (approx. 202 bhp) @ 5500 rpm
Torque:
280 Nm (approx. 207 lb-ft) @ 2500 rpm
Fuel Delivery:
Bosch Motronic M1.5.5 or M2.10.4 engine management with multi-point fuel injection and turbocharging.
Turbocharger:
Garrett T25 or similar, intercooled.
Required Octane:
Premium Unleaded (95 RON or higher recommended).
ECU Type:
Motronic M1.5.5 or M2.10.4
Emission Standards:
Euro 3 compliant.
Type:
5-speed Manual (Getrag 250 series or similar).
Type:
4-speed Automatic (ZF 4HP20).
Manual Clutch:
Hydraulic actuation.
Manual Transmission Fluid:
API GL-4 SAE 75W-90 or SAE 80W-90 synthetic gear oil (refer to manual for exact specification).
Automatic Transmission Fluid:
ZF LifeguardFluid 5 (or equivalent ATF with Dexron III/Mercon specifications).
Crash Test Results:
Limited official crash test data available; generally considered to have a robust chassis structure for its era. Refer to Euro NCAP archives for similar models if available.
ABS:
Standard Anti-lock Braking System.
Ebd:
Electronic Brake-force Distribution (on some models).
Traction Control:
ASR (Antislittaggio in accelerazione) often available.
Airbags:
Front airbags for driver and passenger; side airbags optional on later models.
Seatbelts:
Pre-tensioning seatbelts with load limiters.
Oil Change Interval:
Every 15,000 km (9,300 miles) or 12 months, whichever comes first (using synthetic oil).
Timing Belt Replacement:
Every 90,000 km (56,000 miles) or 5 years for the 2.0 TB Twin Spark engine. Crucial to adhere to this to prevent catastrophic engine damage.
Spark Plug Replacement:
Every 30,000 km (18,600 miles) for the Twin Spark system (both sets of plugs).
Engine Oil Capacity:
Approx. 4.5 Liters (with filter).
Engine Oil Specification:
API SL/SM, ACEA A3/B3 or A3/B4, SAE 5W-40 or 10W-40 synthetic (refer to manual for specific viscosity and approvals).
Coolant Type:
Ethylene glycol based coolant with anti-corrosion additives (e.g., Paraflu UP).
Electrical Gremlins:
Common for older Italian cars; issues with window regulators, central locking, dashboard lights, and sensors can occur due to wiring loom degradation or minor module failures. The manual provides diagnostic flowcharts.
Suspension Wear:
Front wishbone bushings, ball joints, and drop links are subject to wear, affecting handling and ride comfort. The manual details replacement procedures.
Exhaust Manifold Cracks:
The exhaust manifold on the 2.0 TB can be prone to cracking due to heat cycles, leading to exhaust leaks and ticking noises. Manual covers inspection and replacement.
Turbocharger Issues:
Oil leaks from turbo seals or actuator problems can occur. Regular oil changes and ensuring proper oil flow are critical. Manual assists in diagnosis.
Brand Origin:
Italian automotive manufacturer founded in Milan in 1910.
Brand Philosophy:
Focus on performance, sporty design, and driving passion ('La meccanica delle emozioni').
Predecessor:
Alfa Romeo 164.
Successor:
No direct successor in the traditional sense; Alfa Romeo's executive sedan segment evolved with models like the Alfa Romeo Giulia and Stelvio later on.
Facelifts:
The Alfa Romeo 166 received a significant facelift in 2003, which included revised styling (especially the front grille), updated interior, and improved features.
Manufacturing Plant:
Grugliasco and Rivalta, Italy.
Production Period:
1998-2007 (with the 2.0 TB engine offered throughout this period).
