SevereAffected: 2009-201680,000–150,000 miles

Renault Scenic Mk3 1.5 dCi 110bhp — Timing Chain Failure (K9K)

The K9K timing chain issue is widespread across the Renault range and the Scenic Mk3 is no exception. Chain wear leads to rattling and ultimately engine failure.

Severity

Severe

DIY Difficulty

Hard

Est. Cost

£600–£1000

OBD Codes

P0016P0017

Component Diagram

Timing Chain

Typical layout and location for the Timing Chain assembly.

Reference Illustration

Symptoms

Cold-start chain rattle from engine
P0016/P0017 timing codes
Rough running when cold

Root Cause

K9K hydraulic tensioner wear. The Scenic's family MPV use often means short urban journeys that accelerate oil degradation.

How To Fix

Full timing chain kit replacement at first sign
5W-40 fully synthetic oil, 6,000-mile maximum interval
Cost: £600-1,000 fitted

Estimated Repair Costs

Repair Option	Est. Cost (GBP)
DIY (parts only)	£240–£400
Independent Garage	£600–£1000
Main Dealership	£960–£1600

Other Faults on This Variant

EGR Valve Carbon Blockage

Moderate

2009-201650,000–100,000 miles£100–£400

EGR failure on the Scenic Mk3 follows the K9K pattern — carbon accumulation causes power loss and rough running, compounded by the MPV's urban use profile.

DPF Blockage from Family Use

Moderate

2009-201640,000–90,000 miles£200–£900

The Scenic Mk3 dCi is the family diesel MPV — used for exactly the kind of short school-run trips that block DPFs. It is by far the most common fault reported by Scenic owners.

Electric Sliding Door Motor Failure

Minor

2009-201660,000–140,000 miles£150–£600

The Scenic Mk3's powered sliding rear doors develop motor faults, leaving the door either stuck open or requiring manual operation. A unique fault to the MPV body style.

Disclaimer: Repair cost estimates are indicative and based on community data. Always get a quote from a qualified mechanic before proceeding with any repair.