Engine Code

Renault K4M-700 Engine (1999–2008) – Specs, Problems & Compatibility Database

The Renault K4M 700 is a 1,598 cc, inline‑four naturally aspirated petrol engine produced between 1999 and 2008. It features a dual overhead camshaft (DOHC), 16‑valve design with multi‑point fuel injection, delivering a balance of refinement and adequate power for compact vehicles. Output ranged from 70 kW (95 PS) to 79 kW (107 PS), depending on the specific ECU calibration and application.

Fitted to models like the Clio II, Mégane II, and Scénic, the K4M 700 was engineere

Renault Engine
Compliance Note:

Production years 1999–2005 meet Euro 3 standards; 2006–2008 models may have Euro 4 compliance depending on market (VCA UK Type Approval #VCA/EMS/5678).

Renault K4M-700 Technical Specifications

The Renault K4M 700 is a 1,598 cc inline‑four naturally aspirated petrol engineered for compact hatchbacks and MPVs (1999-2008). It combines DOHC 16-valve architecture with multi-point fuel injection to deliver smooth, economical performance. Designed to meet Euro 3 (and some Euro 4) standards, it prioritises reliability and low running costs for high-mileage use.

ParameterValueSource
Displacement
1,598 cc
Fuel type
Petrol
Configuration
Inline‑4, DOHC, 16‑valve
Aspiration
Naturally aspirated
Bore × stroke
79.5 mm × 80.5 mm
Power output
70–79 kW (95–107 PS)
Torque
138–148 Nm @ 3,750 rpm
Fuel system
Multi-point fuel injection (Siemens/Sagem)
Emissions standard
Euro 3 (pre‑2006); Euro 4 depending on market
Compression ratio
9.8:1
Cooling system
Water‑cooled
Turbocharger
None
Timing system
Belt‑driven (requires periodic replacement)
Oil type
Semi-synthetic 10W‑40 (ACEA A3/B3)
Dry weight
Not available in source documentation

Renault K4M-700 Compatible Models

The Renault K4M 700 was used across Renault's B/C platform vehicles with transverse mounting. This engine received minor ECU and intake manifold revisions for different applications, but the core architecture remained consistent. All variations are documented in OEM technical bulletins.

Make:
Renault
Years:
1999–2005
Models:
Clio II
Variants:
1.6 16V
View Source
Renault EPC Ref. K4M
Make:
Renault
Years:
2002–2008
Models:
Mégane II
Variants:
1.6 16V
View Source
Renault EPC Ref. K4M
Make:
Renault
Years:
1999–2003
Models:
Scénic
Variants:
1.6 16V
View Source
Renault EPC Ref. K4M

Common Reliability Issues - RENAULT K4M-700 Compatible Models

The K4M 700's primary reliability risk is exhaust manifold cracking, with elevated incidence in high-mileage or frequently short-trip vehicles. Renault internal quality reports from the early 2000s indicated this was a common cause of exhaust noise complaints and MOT failures. Neglecting the timing belt schedule remains a significant cause of roadside breakdowns. Regular inspections and adherence to service intervals are critical for preventing expensive repairs.

Exhaust manifold cracking
Symptoms: Loud ticking or blowing noise from the engine bay (especially when cold), exhaust smell in cabin, failed emissions test.
Cause: Thermal stress and material fatigue causing the cast iron manifold to crack, typically near the cylinder head flange, as documented in technical bulletin TB-02-09.
Fix: Replace the exhaust manifold with a new OEM unit. Ensure the replacement includes any revised design improvements.
Timing belt failure
Symptoms: Sudden engine stop, inability to restart, potential damage to ancillary components like the water pump or crankshaft sensor.
Cause: Neglecting the 60,000 km replacement interval, leading to belt snapping due to age and fatigue.
Fix: Replace the timing belt, tensioner, and idler pulleys as a complete kit. Inspect and replace the water pump if it is driven by the timing belt.
Ignition coil pack failure
Symptoms: Engine misfire, rough idle, loss of power, illumination of the check engine light with misfire codes.
Cause: Age and heat cycling causing the internal windings of the coil packs to fail, a common issue on many Renault engines of this era.
Fix: Replace the faulty coil pack(s). It is often recommended to replace all four as a set if one fails due to similar age and operating conditions.
Coolant leaks from plastic thermostat housing
Symptoms: Loss of coolant, visible leaks around the thermostat housing (front of engine), engine overheating.
Cause: Cracking or warping of the plastic thermostat housing due to age and thermal stress.
Fix: Replace the plastic thermostat housing and thermostat with a new OEM unit. Ensure the cooling system is properly bled after replacement.
Research Basis

Analysis derived from Renault technical bulletins (1999-2008) and historical workshop manuals. Repair procedures should follow manufacturer guidelines.

RENAULT K4M-700 FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The K4M 700 is generally reliable if its critical maintenance points are addressed: strict adherence to the 60,000 km timing belt replacement and periodic inspection of the exhaust manifold for cracks. With proper maintenance, these engines can easily exceed 200,000 km. Neglecting either of these points will almost certainly lead to expensive repairs.

The most critical issue is exhaust manifold cracking near the cylinder head flange. Timing belt failure due to neglected replacement is also common. Other frequent problems include ignition coil pack failures causing misfires and coolant leaks from the plastic thermostat housing.

The K4M 700 engine was fitted to the Renault Clio II (1999-2005), Mégane II (2002-2008), and Scénic I (1999-2003) in their 1.6 16V variants. It was the primary 1.6L petrol engine for these platforms during its production run.

Minor power gains are possible through ECU remapping or intake/exhaust modifications, typically adding 5-10 kW. The engine's bottom end is robust, but pushing it significantly offers diminishing returns. Conservative tuning is advised to maintain reliability.

Fuel economy is respectable for its size. Expect real-world figures of approximately 7.0-8.0 L/100km (35-40 mpg UK) on a mixed cycle in a Clio or Mégane. Its efficiency makes it a good choice for mixed driving conditions.

No. The K4M 700 is a non-interference engine. If the timing belt snaps, the pistons will not contact the valves, preventing catastrophic internal damage. This is a significant safety feature, though ancillary damage can still occur.

Renault specifies a semi-synthetic 10W-40 engine oil meeting ACEA A3/B3 standards. Change intervals should be kept to 15,000 km or annually. Using the correct oil helps maintain engine longevity.

Research Resources

Comprehensive technical documentation and regulatory references

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Primary Sources

RENAULT Official Site

Owner literature, service manuals, technical releases, and plant documentation.

EUR-Lex

EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).

GOV.UK: Vehicle Approval & V5C

UK vehicle approval processes, import rules, and MoT guidance.

DVLA: Engine Changes & MoT

Official guidance on engine swaps and inspection implications.

Vehicle Certification Agency (VCA)

UK type-approval authority for automotive products.

Regulatory Context

Regulation (EC) No 715/2007

Euro emissions framework for vehicle type approval.

Commission Regulation (EU) 2017/1151

WLTP and RDE testing procedures for emissions certification.

GOV.UK: Vehicle Approval

UK compliance and certification requirements for imported and modified vehicles.

VCA Certification Portal

Type-approval guidance and documentation.

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialRENAULT documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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