Renault · Megane 4 · 2016-2023

Renault Megane 4 1.5 dCi 110 specs and common problems

The most common diesel engine in one of Turkey's best-selling sedans. The K9K is very frugal, but EGR and DPF soot up with short city trips. Judder when pulling away is a known problem on the EDC gearbox. Using RN0720-approved oil is a must.

Engine code
K9K
Engine oil · 5W-30
4.5 L
Timing
Belt
Original size
205/55 R16
LPG
No

01 / 07

How much oil does the Megane 4 1.5 dCi 110 take?

The Megane 4 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 (DPF-compatible).

Engine oil
5W-30
With filter
4.5 L
Approval
Renault RN0720 (DPF-compatible)
Alternative
0W-30
Manual 6-speed
75W-80 · ≈ 2.0 L
EDC 6-speed
Manufacturer-approved EDC fluid · ≈ 1.8 L
Coolant
Glaceol RX Type D 50/50 · ≈ 5.8 L
Brake fluid
DOT 4

Oil without RN0720 approval causes ash build-up in the DPF.

02 / 07

Timing belt and maintenance

TimingBelt

Manufacturer interval 160,000 km / 6 years; in practice 120,000 km / 5 years

Replaced as a kit with the water pump, tensioner and idler.

The water pump is driven by the timing belt, so it should be replaced at the same time.

Oil change
15,000 km or once a year (10,000 km in the city)
Glow plug
4 pcs · If hard starting in the cold appears
Valves / tappets
Hydraulic tappets, no adjustment needed.
Air filter
30,000 km
Fuel filter
30,000 km or every 2 years
Power
110 hp @ 4,000 rpm
Torque
260 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 6 (DPF and NOx trap)

03 / 07

Tyre size and pressure

Front / Rear
33/32 PSI
Full load
36/39 PSI
Original size
205/55 R16
Alternative sizes
225/45 R17 · 225/40 R18
Bolt pattern (PCD)
5x114.3
Centre bore
66.1 mm
Wheel
6.5J x 16 ET47
Calculate speedometer error for a size change →

04 / 07

Is the Megane 4 1.5 dCi 110 suitable for LPG?

Not suitable, diesel engine
  • Classic LPG conversions are not done on diesel engines.

05 / 07

Megane 4 1.5 dCi 110 common problems and fixes

  1. #01

    EGR valve sooting

    Medium Risk

    60,000-120,000 km

    Symptom:
    Flat spot when accelerating in gear, black smoke, limp mode, P0401.
    Cause:
    Short trips and extended oil change intervals.
    Proper fix:
    The EGR valve and passage are removed, cleaned and adapted. Replaced if the valve motor is faulty.
    P0401P0101
  2. #02

    DPF clogging

    High Risk

    After 80,000 km

    Symptom:
    DPF warning, loss of power, fan running for a long time.
    Cause:
    Interrupted regenerations and the wrong oil.
    Proper fix:
    Differential pressure sensor check, service regeneration, removal and cleaning if needed.
    P2002
  3. #03

    EDC transmission judder when pulling away

    High Risk

    After 60,000 km

    Symptom:
    Judder on hill starts and in stop-and-go traffic.
    Cause:
    Wear of the dry dual clutch and corrupted adaptations.
    Proper fix:
    Software update and clutch relearn; if advanced, clutch kit replacement.
    P0700
  4. #04

    Low turbo boost

    High Risk

    After 100,000 km

    Symptom:
    Limp mode, whistling from the turbo, P0299.
    Cause:
    Cracked intercooler hose or turbo vanes stuck with soot.
    Proper fix:
    The leak is found with a pressure test and the hose replaced. For stuck vanes, the turbo is cleaned.
    P0299

06 / 07

Common fault codes on the Megane 4 1.5 dCi 110

07 / 07

Frequently asked questions

How much engine oil does the Megane 4 1.5 dCi 110 take?

The Megane 4 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 (DPF-compatible) approval. Check the level on the dipstick after filling.

When should the timing belt on the Megane 4 1.5 dCi 110 be replaced?

This engine uses a timing belt. Manufacturer interval 160,000 km / 6 years; in practice 120,000 km / 5 years. Replaced as a kit with the water pump, tensioner and idler.

What tyre pressure should the Megane 4 1.5 dCi 110 run?

With the original 205/55 R16 tyres, 33 PSI front and 32 PSI rear are recommended at normal load, and 36 front / 39 rear at full load. The exact values are on the door pillar or fuel flap sticker.

Is the Megane 4 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 4 1.5 dCi 110?

The best-known problems are: EGR valve sooting, DPF clogging, EDC transmission judder when pulling away, Low turbo boost. The symptoms and fix for each are explained on this page.

Other Renault models

Captur 1 1.2 TCe 120 EDCCaptur 1 1.5 dCi 90Clio 4 1.2 16V 75Clio 4 1.2 TCe 120 EDCClio 3 1.5 dCi 86Clio 4 1.5 dCi 90Fluence 1.5 dCi 110Fluence 1.6 16VMegane 4 1.2 TCe 130Megane 3 1.5 dCi 110Megane 3 1.6 16V 110Symbol 1.2 16V 75Symbol 1.5 dCi 90

Values are approximate and may vary by engine and VIN. Check against your service manual before doing any work. ·