Renault · Megane 3 · 2008-2016
Renault Megane 3 1.5 dCi 110 specs and common problems
A diesel Megane in high demand on the used market. The most feared problem on this generation of K9K is a spun big-end bearing, almost always caused by extended oil change intervals. With regular EGR, DPF and injector maintenance it is a long-lived engine.
01 / 07
How much oil does the Megane 3 1.5 dCi 110 take?
The Megane 3 1.5 dCi 110 takes about 4.5 litres of 5W-30 engine oil including the filter. Approval to look for on the bottle: Renault RN0720.
- Approval
- Renault RN0720
- Alternative
- 5W-40 (RN0710, older bodies without DPF)
- Manual 6-speed
- 75W-80 · ≈ 2.0 L
- Coolant
- Glaceol RX Type D 50/50 · ≈ 5.8 L
- Brake fluid
- DOT 4
02 / 07
Timing belt and maintenance
In practice 120,000 km / 5 years
Belt, tensioner, idler and water pump are replaced together.
The water pump is driven by the timing belt, so it should be replaced at the same time.
- Oil change
- 10,000 km or once a year (don't extend it because of the bearing risk)
- Glow plug
- 4 pcs · When they fail
- Valves / tappets
- Hydraulic tappets.
- Fuel filter
- 30,000 km
- Power
- 110 hp @ 4,000 rpm
- Torque
- 240 Nm @ 1,750 rpm
- Displacement
- 1,461 cc
- Fuel
- Diesel · Variable geometry turbo, intercooler
- Valvetrain
- SOHC 8V
- Injection
- Common-rail direct injection
- Transmission
- 6-speed manual / 6-speed EDC dual-clutch
- Emissions
- Euro 5 (DPF)
03 / 07
Tyre size and pressure
- Original size
- 205/55 R16
- Alternative sizes
- 195/65 R15 · 225/45 R17
- Bolt pattern (PCD)
- 5x114.3
- Centre bore
- 66.1 mm
- Wheel
- 6.5J x 16 ET43
04 / 07
Is the Megane 3 1.5 dCi 110 suitable for LPG?
- Classic LPG conversions are not done on diesel engines.
05 / 07
Megane 3 1.5 dCi 110 common problems and fixes
- #01
Spun big-end bearing
Critical RiskAfter 150,000 km (earlier on poorly maintained cars)
- Symptom:
- Metallic knocking from the bottom of the engine, oil pressure light, sudden stalling.
- Cause:
- Long oil change intervals, thinned oil (fuel dilution during DPF regeneration) and low oil pressure.
- Proper fix:
- If knocking has started, don't run the engine. It needs a crank regrind and new bearings, or an engine replacement. To prevent it, change the oil every 10,000 km.
- #02
EGR and intake manifold sooting
Medium RiskAfter 80,000 km
- Symptom:
- Loss of power, black smoke, P0401.
- Cause:
- Short city trips.
- Proper fix:
- EGR valve and manifold cleaning.
- #03
Injector failure
High RiskAfter 150,000 km
- Symptom:
- Hard starting, knocking at idle, white-blue smoke, P0087.
- Cause:
- Poor-quality fuel and a neglected diesel filter.
- Proper fix:
- Return test and flow measurement, rebuild and coding of the faulty injector.
06 / 07
Common fault codes on the Megane 3 1.5 dCi 110
07 / 07
Frequently asked questions
How much engine oil does the Megane 3 1.5 dCi 110 take?
The Megane 3 1.5 dCi 110 (K9K) takes about 4.5 litres of engine oil including the filter. Recommended viscosity is 5W-30; look for the Renault RN0720 approval. Check the level on the dipstick after filling.
When should the timing belt on the Megane 3 1.5 dCi 110 be replaced?
This engine uses a timing belt. In practice 120,000 km / 5 years. Belt, tensioner, idler and water pump are replaced together.
What tyre pressure should the Megane 3 1.5 dCi 110 run?
With the original 205/55 R16 tyres, 33 PSI front and 30 PSI rear are recommended at normal load, and 36 front / 36 rear at full load. The exact values are on the door pillar or fuel flap sticker.
Is the Megane 3 1.5 dCi 110 suitable for LPG?
Not suitable, diesel engine. Classic LPG conversions are not done on diesel engines.
What are the common problems of the Megane 3 1.5 dCi 110?
The best-known problems are: Spun big-end bearing, EGR and intake manifold sooting, Injector failure. The symptoms and fix for each are explained on this page.
Other Renault models
Values are approximate and may vary by engine and VIN. Check against your service manual before doing any work. ·