Keycard reader / immobiliser
Signs: 'Card not detected', won't start
Fix: Repair or replace the card reader
2001–2007 · Renault Laguna 2
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
The Renault Laguna II was built from 2001 to 2007.
For this generation we cover 3 engines and 18 known faults, each with the mileage range where it usually appears.
The most expensive known risk is Crankshaft (big-end) bearing failure: it usually appears at 150,000–250,000 km and costs €1,500–3,500 to fix.
In UK roadworthiness tests in 2024, at 150–200 thousand km this model most often failed on: lights, wipers and visibility (25.6 %), suspension (24.2 %), brakes (15.7 %). It fails more often than an average car of the same age and mileage on: suspension, steering. It fails less often than average on: body and corrosion, exhaust, emissions and leaks.
| Engine | Fuel | Timing drive | Oil |
|---|---|---|---|
| 1.4 / 1.6 16v (Renault K4J / K4M) | Petrol | Belt · 90,000 km / every 60 mo | 5W-40 / 10W-40 · Renault RN0700 / RN0710 · ~4.8 L · every 15,000 km |
| 1.9 dCi / dTi (Renault F9Q) | Diesel | Belt · 120,000 km / every 60 mo | 5W-40 · Renault RN0710 · ~4.6 L · every 10,000 km |
| 2.0 dCi (Renault-Nissan M9R) | Diesel | Chain | 5W-30 · Renault RN0720 · ~6.0 L · every 15,000 km |
Signs: 'Card not detected', won't start
Fix: Repair or replace the card reader
Signs: Window drops or jams
Fix: Replace the regulator
Signs: Parking brake warning, won't release
Fix: Repair or replace the actuator
Signs: Boot won't open
Fix: Replace the lock / switch
Signs: Misfire, flashing engine light — very common
Fix: Replace coil (and plugs)
Signs: Diesel-like rattle for a few seconds on start
Fix: Replace the variator pulley with the belt
Signs: Oil drips, burning smell
Fix: Replace gaskets
Signs: Belt failure bends valves
Fix: Replace belt kit with water pump on time
Signs: Knocking, oil light — engine failure
Fix: 10,000 km oil intervals; bearing replacement
Signs: Whistle, smoke, oil loss
Fix: Replace turbo, clean the oil feed
Signs: Limp mode
Fix: Clean or replace
Signs: Knocking, smoke
Fix: Test and replace
Signs: Knocking, smoke
Fix: Replace
Signs: Limp mode
Fix: Clean or replace
Signs: Knocking
Fix: Short oil intervals; bearings
Signs: Slipping, high bite point
Fix: Replace clutch kit
Signs: Gearbox warning, limp mode, harsh shifts
Fix: Solenoids / pressure sensor; fluid change
Signs: Delayed or harsh shifts
Fix: Fluid service, repair
Intervals and typical prices for the 1.4 / 1.6 16v (Renault K4J / K4M) engine. Other engines differ in oil, timing drive and some filters; the app gives the exact plan.
| Item | Interval | Typical price |
|---|---|---|
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Cabin (pollen) filterClimate | every 15,000 km or every 12 months | €15–40 |
| Brake fluidBrakes | every 24 months | €50–95 |
| A/C service (regas + desiccant)Climate | every 24 months | €70–150 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Spark plugsIgnition | every 60,000 km or every 48 months | €50–160 |
| Timing belt kit + water pumpEngine | every 90,000 km or every 60 months | €450–900 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
| Manual gearbox oilTransmission | every 150,000 km | €60–130 |
| Front brake padsBrakes | usually at 30,000–60,000 km | €60–150 |
| Front brake discs + padsBrakes | usually at 60,000–120,000 km | €150–320 |
| Rear brake padsBrakes | usually at 50,000–90,000 km | €50–130 |
| Tyres (set of 4)Wheels | usually at 40,000–60,000 km | €320–700 |
| Wiper bladesBody | checked at service | €20–50 |
| 12V batteryElectrical | checked at service | €100–220 |
Share of tests in the United Kingdom (DVSA MOT, 2024) that this model failed because of each system. Bold red means more often and green less often than an average car of the same age and mileage. Sample: 2,519 tests.
| thousand km | 100–150 | 150–200 | 200–250 |
|---|---|---|---|
| Brakes | 14.7 % | 15.7 % | 21.0 % |
| Suspension | 20.0 % | 24.2 % | 26.5 % |
| Steering | 6.8 % | 10.5 % | 8.5 % |
| Tyres and wheels | 7.3 % | 9.0 % | 10.0 % |
| Lights, wipers and visibility | 25.5 % | 25.6 % | 28.0 % |
| Body and corrosion | 6.8 % | 7.4 % | 8.1 % |
| Exhaust, emissions and leaks | 4.3 % | 5.7 % | 3.8 % |
Recalls the manufacturer published in the United Kingdom for this model (9). The same recalls usually apply across Europe. Ask an authorised dealer to check by VIN whether your car is affected and whether the work has been done.
The other recalls (1) are listed in the app.
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles.
Updated 07/10/2026