Segment:
Mid-size family car (Large Family Car class).
Competitors:
Ford Mondeo, Volkswagen Passat, Opel Vectra, Peugeot 407, Citroën C5, Toyota Avensis, Mazda6.
Distinction:
Known for its distinctive styling, comfortable ride, spacious interior, and advanced safety features for its era. Offered in hatchback, saloon, and estate body styles.
Covered Years:
2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Type:
Service and Repair Manual
Powertrain:
Engine mechanicals, fuel system, ignition system, exhaust system, engine management (ECU), cooling system, lubrication system, turbocharging (where applicable).
Transmission:
Manual and automatic transmission overhaul, clutch system, driveline, driveshafts, differential.
Chassis:
Suspension (front and rear), steering system, brake system (including ABS and ESP), wheel bearings, chassis components.
Electrical:
Complete electrical system diagrams, battery, charging system, starter motor, lighting system, instrumentation, body control modules (BCM), multiplexing (CAN bus), infotainment system wiring.
Bodywork:
Body panel removal and installation, interior trim, doors, windows, locks, seats, sunroof, paint and corrosion protection.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt replacement.
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics, wiring diagram interpretation.
Repair:
Detailed step-by-step repair procedures for all major vehicle systems, component replacement, overhaul and rebuilding instructions.
Special Tools:
Identification and usage of specialized tools required for specific repairs and diagnostics.
Depth:
Comprehensive coverage from basic maintenance to complete engine and transmission rebuilds, including electrical system diagnostics and body repair.
Petrol Variants:
1.6L (K4M), 1.8L (F4P), 2.0L (F4R), 2.0L Turbo (F4RT), 3.0L V6 (L7X).
Diesel Variants:
1.9L dCi (F9Q), 2.0L dCi (M9R), 2.2L dCi (G9T).
2.0L Dci (F9Q) Power:
Approx. 115-120 PS (85-88 kW) and 270-290 Nm torque.
3.0L V6 (L7X) Power:
Approx. 211 PS (155 kW) and 285 Nm torque.
Injection Type:
Multi-point fuel injection (MPI) for petrol, Common Rail Direct Injection (CRDi) for diesel.
Fuel Type:
Unleaded gasoline (Petrol), Diesel fuel.
Body Styles:
Hatchback (5-door), Saloon (4-door), Estate/Wagon (5-door).
Length:
Approx. 4,595 mm (Hatchback/Saloon), 4,735 mm (Estate).
Height:
Approx. 1,420 mm (Hatchback/Saloon), 1,480 mm (Estate).
Passenger Capacity:
5 occupants.
Boot Space:
Varies by body style, e.g., approx. 460 litres (Hatchback), 530 litres (Saloon), 520 litres (Estate - with rear seats up).
Curb Weight:
Starts from approx. 1,300 kg, up to 1,600 kg+ for V6 and diesel models.
Euro Ncap:
Achieved a 5-star Euro NCAP safety rating (2001) – one of the first cars in its class to do so. Frontal impact: 15 points, Side impact: 16 points, Child occupant: 3 stars, Pedestrian: 15 points.
Braking Systems:
ABS (Anti-lock Braking System), EBD (Electronic Brakeforce Distribution), Brake Assist (BA), ESP (Electronic Stability Program) often standard or optional.
Traction Control:
ASR (Anti-Slip Regulation) often linked with ESP.
Airbags:
Front airbags (driver and passenger), side airbags, curtain airbags (depending on trim level and options).
Seatbelts:
Pre-tensioning seatbelts with load limiters, ISOFIX child seat anchor points.
Body Structure:
Reinforced safety cell, crumple zones.
Audio System:
Factory fitted radio/CD player with steering wheel controls. Optional satellite navigation system (Carminat).
Display:
Central information display (CID) for vehicle status, trip computer, and navigation. Optional color screen for Carminat.
Cruise Control:
Available on many models, often with speed limiter function.
Parking Sensors:
Rear parking sensors were an option on later models.
Multiplexing:
Extensive use of multiplexed wiring (CAN bus) for communication between electronic control units, impacting diagnostics and repair.
Keyless Entry:
Keyless Entry and Start (Card Key System) was a signature feature of the Laguna II, though prone to electronic issues.
Oil Change:
Typically every 15,000 km (9,300 miles) or 1 year, whichever comes first, for both petrol and diesel. Some models with specific oils and conditions might extend this. Always check manual for specific engine.
Timing Belt:
For models with timing belts (e.g., 1.6L K4M, 1.8L F4P, 1.9L F9Q diesel), replacement is typically recommended at 90,000 to 120,000 km (56,000 to 75,000 miles) or 5 years. Some diesel engines use timing chains. Crucial to verify for specific engine.
Brake Fluid:
Recommended replacement every 2 years.
Engine Oil Petrol:
API SL/SM or ACEA A3/B4, viscosity 5W-40 or 10W-40 depending on climate and engine. Refer to manual for exact specifications (e.g., RN 0700, RN 0710).
Engine Oil Diesel:
API CF/CG-4 or ACEA B4/B3/C3 (for DPF models), viscosity 5W-40 or 10W-40. Refer to manual for exact specifications (e.g., RN 0710, RN 0720 for DPF).
Coolant:
Renault specified coolant (G11 or G12 equivalent, typically orange or blue) – long-life coolant, concentration 50/50 with distilled water.
Transmission Fluid Manual:
API GL-4 or GL-5, SAE 75W-80 or 75W-90 viscosity (specific to gearbox type).
Transmission Fluid Automatic:
ATF Dexron III or equivalent (refer to manual for specific Renault spec).
Electronic Faults:
Known for electrical gremlins, particularly ECU issues, sensor failures (crankshaft/camshaft position), and problems with the Body Control Module (BCM). Display issues (instrument cluster) were also common.
Diesel Engines:
Certain 1.9 dCi (F9Q) engines experienced issues with turbocharger failures, EGR valve clogging, and injector problems. 2.2 dCi (G9T) could suffer from timing chain stretch or guide wear.
Suspension Components:
Front suspension top mounts and ball joints can wear prematurely. Rear trailing arm bushes can also require replacement.
Air Conditioning:
AC compressor clutch failure or refrigerant leaks are not uncommon.
Safety Award:
5-star Euro NCAP rating (as mentioned in Safety section), a benchmark at its launch.
Reliability Perception:
Initial reliability perceptions were mixed, particularly concerning its complex electronics, but later models and improved manufacturing saw some improvements.
Emissions Standards:
Compliant with European emissions standards relevant to its production years (e.g., Euro 3, Euro 4).
