KNOWN FAULTS · Renault
Renault Mégane (III) 1.5 dCi (K9K) common problems.
2008–2016 · Diesel
Sources are not verified in real time and no entry confirms that your car is affected.
7 known faults with sources
Applies if: Weak points of this model from inspections, breakdown statistics and recalls; anything specific to one engine is stated in the sheet.
Engines, EGR and campaigns on the Mégane IIIKnown weak points
- Engine / equipment
- Renault Mégane III (petrol and diesel)
- Period mentioned
- 2008–2016
- Symptoms
- Camshaft phaser on the 1.6 (K4M), stretched chain on the 1.4 TCe (H4J) and 1.2 TCe with a risk of serious failure, oil consumption, 1.9 dCi turbo, clogged EGR, juddering clutch; at the roadworthiness test, springs, shock absorbers, joints, lights and brakes.
- Possible cause described
- The guide recommends replacing the K4M phaser with the belt. Recalls: brake-pedal plate (10/6–15/7/2009), power-steering wiring (1/10/2009–12/3/2010) and the CC parcel shelf (up to 31/7/2013).
- Check for the garage
- Listen to the chain when cold (TCe), measure oil consumption, clean the EGR; check the campaigns by VIN.
- Cost cited in the source
- No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
View full entryRenault Mégane (III) 1.5 dCi (K9K): known faults of the engine according to L'argusEngine
- Engine / equipment
- 1.5 dCi (K9K) in the Renault Mégane (III)
- Period mentioned
- 2008–2016
- Symptoms
- [2.0 16V/1.5 dCi] Vibration at idle (from 01/05/2009 to 08/02/2010); Hard starting on the dCi 105, with a risk of engine failure (from September 2009 to June 2010); Timing failure; Knocking when cold (up to the end of 2010); Engine stalls (up to 24/08/2011); Injection light on (up to 12/06/2012, K9K636 engine); Hard cold starting (up to 28/05/2013); Oil leak (up to 17/07/2013); Oil leak, pressure light on, noise or even engine failure (until the end of production); [1.5 dCi/1.6 dCi] Loss of power (up to 22/07/2015); [1.5 dCi/1.6 dCi/2.0 dCi] Will not start (up to 11/06/2015)
- Possible cause described
- According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) [2.0 16V/1.5 dCi] Vibration at idle (from 01/05/2009 to 08/02/2010): Flywheel. 2) Hard starting on the dCi 105, with a risk of engine failure (from September 2009 to June 2010): Reposition the injection pump and replace the high-pressure pipe. 3) Timing failure: Belt to be replaced on the 1.5 dCi 110 (from 01/09/2009 to 31/10/2010) and on the 1.5 dCi 85 (from 01/09/2009 to 28/02/2011), or even engine replacement. 4) Knocking when cold (up to the end of 2010): Injector high-pressure pipes. 5) Engine stalls (up to 24/08/2011): Injectors. 6) Injection light on (up to 12/06/2012, K9K636 engine): Particulate filter. 7) Hard cold starting (up to 28/05/2013): Flow actuator. 8) Oil leak (up to 17/07/2013): Turbo intercooler. 9) Oil leak, pressure light on, noise or even engine failure (until the end of production): Oil filter and pump, or even the engine. 10) [1.5 dCi/1.6 dCi] Loss of power (up to 22/07/2015): Exhaust flap. 11) [1.5 dCi/1.6 dCi/2.0 dCi] Will not start (up to 11/06/2015): Fuel pump and reprogramming.
- Check for the garage
- Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.
- Cost cited in the source
- No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
View full entryRenault Mégane (III): known faults of the gearbox and transmission according to L'argusGearbox
- Engine / equipment
- Renault Mégane (III), all engines
- Period mentioned
- 2008–2016
- Symptoms
- [EDC dual-clutch] EDC gearbox clutch slip (up to 19/12/2013); [EDC dual-clutch] "Check EDC" message (up to June 2016); [EDC dual-clutch] Loss of drive with the EDC gearbox (up to 30/10/2014); [EDC dual-clutch] Loss of drive and EDC gearbox light on; [5-speed manual] Gears will not engage (5-speed manual); [manual gearbox] Hard gear changes (up to 29/08/2013)
- Possible cause described
- According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) [EDC dual-clutch] EDC gearbox clutch slip (up to 19/12/2013): Input shaft seal, or even the clutch. 2) [EDC dual-clutch] "Check EDC" message (up to June 2016): Reprogramming. 3) [EDC dual-clutch] Loss of drive with the EDC gearbox (up to 30/10/2014): Reprogramming. 4) [EDC dual-clutch] Loss of drive and EDC gearbox light on: Reprogramming. 5) [5-speed manual] Gears will not engage (5-speed manual): Gearbox to be repaired. 6) [manual gearbox] Hard gear changes (up to 29/08/2013): Clutch slave cylinder.
- Check for the garage
- Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.
- Cost cited in the source
- No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
View full entryRenault Mégane (III): known faults of the chassis, steering and brakes according to L'argusSuspension and steering
- Engine / equipment
- Renault Mégane (III), all engines
- Period mentioned
- 2008–2016
- Symptoms
- [suspension] Rear axle noise; [tyres] Tyre pressure light on (from January 2008 to March 2010)
- Possible cause described
- According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) [suspension] Rear axle noise: Inject foam into the crossmember. 2) [tyres] Tyre pressure light on (from January 2008 to March 2010): Valves to be replaced.
- Check for the garage
- Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.
- Cost cited in the source
- No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
View full entryRenault Mégane (III): known faults of the electronics and interior according to L'argusElectrical and electronic systems
- Engine / equipment
- Renault Mégane (III), all engines
- Period mentioned
- 2008–2016
- Symptoms
- [climate control] Left/right temperature difference (up to 01/04/2012); [climate control] Air conditioning fault; [electronics] Airbag light on (up to 23/02/2009); [ventilation] Ventilation faults (up to 19/03/2010); [ventilation] Ventilation jams (up to 14/04/2015); [doors and openings] Windows jam or drop (up to 16/09/2011); [multimedia] R-Link system bugs; [multimedia] Bluetooth fault (up to 09/06/2015); [sealing] Water leak at the front seats (until the end of production)
- Possible cause described
- According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) [climate control] Left/right temperature difference (up to 01/04/2012): Climate control panel. 2) [climate control] Air conditioning fault: Condenser (up to 13/09/2012) or air distribution box (up to 11/12/2012). 3) [electronics] Airbag light on (up to 23/02/2009): Control unit. 4) [ventilation] Ventilation faults (up to 19/03/2010): Blower speed control module. 5) [ventilation] Ventilation jams (up to 14/04/2015): Control units. 6) [doors and openings] Windows jam or drop (up to 16/09/2011): Channel, seal, mechanism and glass. 7) [multimedia] R-Link system bugs: Reprogramming. 8) [multimedia] Bluetooth fault (up to 09/06/2015): R-Link update. 9) [sealing] Water leak at the front seats (until the end of production): Modify the scuttle (below the windscreen) drain pipes.
- Check for the garage
- Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.
- Cost cited in the source
- No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
View full entry1.5 dCi timing belt or pulley failureValve timing
- Engine / equipment
- 1.5 dCi (K9K)
- Period mentioned
- 2009–2011
- Symptoms
- Noise or squeal around the belts; if the timing belt breaks, the engine stops suddenly and can be badly damaged.
- Possible cause described
- On 2009–2011 engines, pulleys and timing or auxiliary belts were reported to break.
- Check for the garage
- Keep to the timing-belt interval and always replace the full kit (belt, rollers and pulleys); check the auxiliary belt and its pulley.
- Cost cited in the source
- No verified estimate; ask the garage for a timing-kit quote.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
View full entryClogged particulate filter on the 1.5 dCiExhaust and emissions
- Engine / equipment
- 1.5 dCi (K9K) with particulate filter
- Period mentioned
- 2010 onwards
- Symptoms
- Particulate-filter or emissions warning, limp mode with loss of power and frequent regenerations.
- Possible cause described
- The filter clogs, especially on cars that mostly make short town trips and never complete a regeneration.
- Check for the garage
- Read the soot load with a diagnostic tool, run a forced regeneration at the garage and check the differential-pressure sensors and EGR. Make long road trips now and then.
- Cost cited in the source
- No verified estimate; from a regeneration to replacing the filter.A rough figure from the original database, not an up-to-date quote.