Segment:
Premium compact executive sedan and estate
Designer Philosophy:
Italian style, sporty handling, luxury appointments
Key Competitors:
BMW 3 Series, Audi A4, Mercedes-Benz C-Class, Volvo S60
Platform:
GM Epsilon platform (shared with Opel Vectra C)
Chassis Dynamics:
Renowned for excellent ride and handling balance, especially with the Q4 AWD system
Design Language:
Distinctive Alfa Romeo 'Scudetto' grille, sharp lines, elegant profile
Primary Coverage:
Full workshop service and repair
Regions Covered:
Global (factory specifications)
Estimated Page Count:
Hundreds (as described as highly detailed with hundreds of photos and illustrations)
Type:
Workshop Service Repair Manual
Language:
English (inferred from typical factory manuals and product description)
Engine Mechanical:
Complete disassembly, assembly, diagnostics, repair of all engine variants
Engine Management:
Fuel injection, ignition, emissions control, ECU diagnostics
Transmission Manual:
Service, repair, and overhaul procedures
Transmission Automatic:
Service, repair, and overhaul procedures
Drivetrain AWD:
Q4 All-Wheel Drive system maintenance and repair
Suspension:
Front (double wishbone), Rear (multi-link), steering system, wheel alignment
Brakes:
Hydraulic system, ABS, EBD, brake pad/rotor replacement, caliper service
Electrical System:
Wiring diagrams, component testing, battery, charging system, lighting
Body And Chassis:
Body panel removal/installation, interior trim, glass, structural repair
Climate Control:
HVAC system service, refrigerant handling, diagnostics
Safety Systems:
Airbag system, seatbelts, pre-tensioners
Maintenance:
Oil changes, filter replacements, fluid checks, scheduled services
Troubleshooting:
Diagnostic procedures for common and uncommon faults
Repair:
Step-by-step instructions for all major components and systems
Rebuilds:
Complete engine and transmission rebuilds
Diagnostics:
Fault code interpretation, sensor testing, actuator checks
Calibration:
Component calibration procedures (e.g., sensors, steering angle)
Depth Level:
Factory-level detail, suitable for professional mechanics and advanced DIYers
Detail Level:
Comprehensive, covering complete disassembly to reassembly
Documentation Style:
Illustrated, step-by-step instructions
Engine Options:
1.9 JTDm (16v), 2.4 JTDm (20v), 1.75 TBi, 2.2 JTS, 3.2 V6 JTS (GM-sourced)
Horsepower Range:
120 HP (1.9 JTDm) to 260 HP (3.2 V6 JTS)
Torque Range:
280 Nm (1.9 JTDm) to 320 Nm (2.4 JTDm) and 300 Nm (1.75 TBi)
Injection Type:
Common Rail Direct Injection (JTDm), Direct Injection (JTS, TBi)
Turbocharging:
Variable Geometry Turbocharger (VGT) on diesel engines and TBi
1.9 Jtdm 16V:
937A5.000, 939A1.000, 939A7.000
Transmission Type FWD:
6-speed manual
Transmission Type Auto:
6-speed automatic (Q-Tronic)
Transmission Type AWD:
6-speed manual or 6-speed automatic (Q4 AWD)
AWD System:
Alfa Romeo Q4 permanent all-wheel drive with Torsen central differential
Manual Transmission Fluid Type:
GL-4 SAE 75W-90 (check specific manual for exact spec)
Automatic Transmission Fluid Type:
Tutela AT Fluid (or equivalent DEXRON III/VI - consult manual for exact spec)
Euro Ncap Rating:
5 Stars (2006)
ABS:
Standard Anti-lock Braking System
Ebs:
Standard Electronic Brakeforce Distribution
Esp:
Standard Electronic Stability Program with Hill Holder (Hill Start Assist)
Airbags:
Front, side, and window airbags standard
Seatbelts:
Pre-tensioning seatbelts with load limiters
Infotainment System:
Blue & Me (Bluetooth connectivity, USB, voice control), optional navigation system
Cruise Control:
Optional cruise control
Parking Sensors:
Optional front and rear parking sensors
Bluetooth:
Standard or optional via Blue & Me system
Oil Change Interval Petrol:
12,500 miles or 1 year (whichever comes first)
Oil Change Interval Diesel:
12,500 miles or 1 year (whichever comes first), or based on DPF regeneration cycles
Timing Belt Interval Petrol:
60,000 - 70,000 miles or 5 years (check specific engine)
Timing Belt Interval Diesel:
70,000 - 80,000 miles or 5 years (check specific engine)
Engine Oil Specification Petrol:
Selenia Star Pure Energy 0W-30 or Selenia K P.E. 5W-40 (ACEA C3)
Engine Oil Specification Diesel:
Selenia WR Forward 0W-30 or Selenia Digitek Plus 0W-30 (ACEA C2/C3)
Coolant Specification:
Paraflu UP (OAT - Organic Acid Technology) - Blue color
Brake Fluid Specification:
DOT 4 (e.g., Tutela DOT 4)
Diesel Dpf Issues:
Diesel Particulate Filter (DPF) clogging common with short-distance driving
Suspension Wear:
Front suspension components (e.g., wishbones, ball joints) can wear prematurely
Egr Valve Issues:
Exhaust Gas Recirculation (EGR) valve can become clogged or faulty on diesel models
Thermostat Failure:
Thermostat housing failure leading to coolant leaks or temperature regulation issues
Electrical Gremlins:
Various minor electrical issues can occur, often related to wiring or sensors