Positioning:
The Alfa Romeo 166 was positioned as a premium executive sedan, competing with established German luxury brands. It was known for its distinctive styling, engaging driving dynamics, and luxurious interior.
Competitors:
Key competitors included the BMW 5 Series, Mercedes-Benz E-Class, and Audi A6 of the same era.
Design Philosophy:
Emphasized Italian design flair, powerful performance, and a driver-centric experience.
Benefit To Owner:
An inexpensive way to keep the vehicle working properly, empowering owners to perform maintenance and repairs efficiently.
Scope:
Complete official full factory service repair manual
Page Count:
Not specified, but described as 'COMPLETE' and covering 'every single detail'
Manual Type:
Service Repair Workshop Manual
File Format:
Disc Image File (.ISO) / Application (.exe)
Delivery Method:
Instant download
Engine:
Detailed coverage of the 3.0 V6 engine, including disassembly, assembly, diagnostics, and repair.
Fuel System:
Comprehensive information on the fuel system, including fuel injection, pump, lines, and filters.
Throttle Body:
Detailed procedures for servicing and diagnosing the throttle body system.
Cooling System:
Information on radiators, water pumps, thermostats, hoses, and coolant specifications.
Lubrication System:
Details on oil pump, oil pan, oil filter, and lubrication system maintenance.
Chassis:
Covers suspension, steering, brakes, and wheel alignment procedures.
Electrical System:
Extensive coverage of the vehicle's electrical components, including battery, charging system, starter, lighting, and accessories.
Wiring Diagrams:
Includes detailed wiring diagrams for all vehicle systems, crucial for electrical troubleshooting.
Emission Control:
Information related to emission control systems and troubleshooting.
Maintenance:
Covers all periodic maintenance tasks, from routine fluid changes to component inspections.
Troubleshooting:
Provides diagnostic procedures and solutions for common and complex issues.
Repair:
Step-by-step repair instructions for virtually every component of the vehicle.
Disassembly Assembly:
Detailed procedures for complete vehicle disassembly and reassembly.
Depth:
Designed for both do-it-yourself enthusiasts and experienced mechanics, offering detailed instructions and diagrams.
Diagrams:
Includes high-quality diagrams, exploded views, and illustrations to aid understanding and execution of repairs.
Engine Type:
Naturally aspirated V6
Displacement:
3.0 Liters (2959 cc)
Engine Code Examples:
Examples like AR34201 might be found, though specific codes are best confirmed in the manual.
Horsepower Range:
Approximately 220-230 PS (162-169 kW; 217-227 hp) depending on specific market and tuning.
Torque Range:
Around 270-280 Nm (199-207 lb-ft).
Fuel Delivery:
Multi-point fuel injection (MPI)
Recommended Fuel:
Premium Unleaded Gasoline (95 RON or higher)
ECU Type:
Likely Bosch Motronic or similar electronic engine control units, detailed in the manual.
Timing Belt Interval:
Crucial maintenance item. Typically recommended at 60,000 - 100,000 km (37,000 - 62,000 miles) or 5-7 years. Manual will specify exact interval and parts.
Transmission Type:
Typically a 5-speed manual transmission was standard on many 3.0 V6 models.
Transmission Type:
A 4-speed automatic transmission (e.g., from ZF) was also available as an option.
Gear Ratios:
Specific gear ratios for both manual and automatic transmissions will be detailed in the manual.
Manual Transmission Fluid:
Likely a high-quality GL-4 or GL-5 gear oil. Manual will specify viscosity and API rating.
Automatic Transmission Fluid:
Specific ATF (Automatic Transmission Fluid) type, e.g., Dexron III or equivalent. Manual will confirm exact specification.
Length:
Approx. 4,753 mm (187.1 in)
Width:
Approx. 1,763 mm (69.4 in)
Height:
Approx. 1,437 mm (56.6 in)
Wheelbase:
Approx. 2,700 mm (106.3 in)
Curb Weight:
Typically in the range of 1500-1600 kg (3300-3500 lbs) depending on specification.
Trunk Volume:
Around 510 liters (18.0 cu ft), expandable with folding rear seats.
Euro Ncap Rating:
Information may vary by testing year. Earlier models might have less comprehensive data compared to later standards.
Braking System:
Typically ABS with EBD. Larger front discs for the 3.0 V6 models.
Traction Control:
ASR (Anti-Slip Regulation) or similar traction control system was often available.
Airbags:
Driver, passenger, and side airbags were common features, with later models potentially offering more.
Seat Belts:
Pre-tensioned seat belts with load limiters.
Audio System:
Premium audio systems, often Bose, were available. Manual covers head unit operation and speaker system details.
Navigation:
Factory-fitted GPS navigation systems were offered on higher trims.
Cruise Control:
Standard on most 3.0 V6 models.
Parking Sensors:
Optional rear parking sensors were available.
Phone Integration:
Early Bluetooth or cradle-based phone integration might be present on later models.
Oil Change Interval:
Typically every 10,000-15,000 km (6,000-9,000 miles) or annually. Manual specifies exact interval and oil type.
Timing Belt Replacement:
Critical. As mentioned, 60,000-100,000 km or 5-7 years. Failure leads to catastrophic engine damage. The manual provides the exact procedure and torque specifications.
Engine Oil Type:
Likely a synthetic or semi-synthetic oil, e.g., 10W-40 or 10W-30, conforming to specific API/ACEA standards. Manual will detail exact specification (e.g., Selenia or equivalent).
Coolant Type:
Ethylene glycol-based antifreeze with corrosion inhibitors. Manual will specify type and mixture ratio (e.g., Paraflu UP).
Brake Fluid Type:
DOT 4 brake fluid. Manual will specify replacement interval and bleeding procedures.
Electrical Gremlins:
Some owners report minor electrical issues or sensor faults, common in vehicles of this era. The manual's wiring diagrams and diagnostic sections are invaluable here.
Suspension Wear:
Front suspension components, particularly bushings and ball joints, can wear over time, affecting handling. The manual details inspection and replacement procedures.
Engine Oil Leaks:
Can occur from valve cover gaskets or crankshaft seals. The manual provides torque specs and seal replacement guidance.
Alfa Romeo Legacy:
Alfa Romeo has a rich history of producing stylish, sporty, and driver-focused vehicles with a strong racing pedigree.
166 Development:
The 166 succeeded the Alfa Romeo 164, continuing the tradition of a large, executive-class sedan. It was designed by Walter de Silva and featured a distinctive 'scudetto' grille and elegant lines.
Facelift:
The 166 received a significant facelift in 2003, with updated styling, improved interior, and revised powertrains, including enhancements to the V6 engine.
Production Period:
1998-2007 (with sales continuing into 2008 in some markets).
Manufacturing Plant:
Primarily manufactured at the Fiat Avio S.p.A. plant in Rivalta di Torino, Italy.
Design Awards:
While specific awards for the 166 might not be widely publicized, its design by Walter de Silva was critically acclaimed for its elegance and distinctiveness.
Performance Reviews:
Often praised by automotive journalists for its engaging handling, comfortable ride, and powerful V6 engine, despite facing stiff competition.
