1.5 dCi (K9K)

2005–2012 · diesel · 1461cc · 86hp

Engine codes: K9K

Maint. Sensitive

Reliability, common problems and owner reviews for the Renault Clio III 1.5 dCi (K9K). Check this before you buy used.

The standout Clio engine — the 1.5 dCi is dependable, refined and economical, the long-distance champion (200,000–280,000 km common), and the lighter non-DPF/early units largely avoid the DPF headaches of bigger diesels. The key discipline is the timing belt + water pump on the strict 4yr/60k-mile schedule. The diesel to have.

Same engine, other cars

This is the same physical engine (K9K) sold under different names across brands. Reliability is broadly shared — cross-check these:

Known Issues

Timing belt + water pump (strict)critical

Belt + tensioner + water pump must be changed every 4 yr / ~96,000 km; a seizing water pump can take the belt with it.

Fix / Workaround: Replace full belt kit on schedule.

Repair cost: €300–€600

Typically appears after: 96,000 km

Injector / turbo (high mileage / bad fuel)recurring

Injectors and turbo can suffer on poor fuel at higher mileage.

Fix / Workaround: Good fuel; service as needed.

Repair cost: €300–€1200

Mileage Thresholds

After 250,000 km: Long-distance champion with belt discipline.

Pre-Purchase Checklist

☐Strict timing belt + water pump history
☐Good fuel; check turbo on test drive
☐The diesel to have

Frequently asked questions

Is the Renault Clio III 1.5 dCi (K9K) reliable?

Maint. Sensitive — The standout Clio engine — the 1.5 dCi is dependable, refined and economical, the long-distance champion (200,000–280,000 km common), and the lighter non-DPF/early units largely avoid the DPF headaches of bigger diesels. The key discipline is the timing belt + water pump on the strict 4yr/60k-mile schedule. The diesel to have.

What are the common problems and reviews for the Renault Clio III 1.5 dCi (K9K)?

The most commonly reported problems: Timing belt + water pump (strict), Injector / turbo (high mileage / bad fuel).

Is a used Renault Clio III 1.5 dCi (K9K) worth buying?

Fine if serviced correctly — but it punishes neglect hard. History and the right consumables matter.