- Engine / equipment
- 1.0 VVT-i three-cylinder (1KR-FE): Toyota Aygo, Yaris and iQ, Peugeot 107 and Citroën C1
- Period mentioned
- Approx. 2005–2011
- Symptoms
- Coolant loss with coloured residue next to the pump and rising temperature; a clutch that slips or squeals and hard gear changes earlier than normal.
- Possible cause described
- In the early years the water pump often failed after about three years of use; it was improved in 2009. The original 180 mm clutch was short-lived; a larger one was fitted from 2009 (a 190 mm alternative exists). The German Yaris II guide also lists faulty water pumps on the 1.0.
- Check for the garage
- Look for dried coolant residue under the pump and watch the level. Test the clutch pulling away on a hill; if it is replaced, ask for the improved version.
- Cost cited in the source
- Approx. €300–550 for the water pump (German used-car guide).A rough figure from the original database, not an up-to-date quote.
Water pump and clutch on the 1.0 VVT-i (1KR-FE)
Sources are not verified in real time and no entry confirms that your car is affected.
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Frequently asked questions
How much does it cost to repair this fault?
Approx. €300–550 for the water pump (German used-car guide).
A rough figure from the original database, not an up-to-date quote.
Calculate estimateHow is it checked?
Look for dried coolant residue under the pump and watch the level. Test the clutch pulling away on a hill; if it is replaced, ask for the improved version.
What are the symptoms?
Coolant loss with coloured residue next to the pump and rising temperature; a clutch that slips or squeals and hard gear changes earlier than normal.
Which cars and years does it affect?
- Brands
- Toyota, Peugeot, Citroën
- Engine / equipment
- 1.0 VVT-i three-cylinder (1KR-FE): Toyota Aygo, Yaris and iQ, Peugeot 107 and Citroën C1
- Period mentioned
- Approx. 2005–2011
Taking it to a garage?
Models with this entry
- Peugeot 107 / 1082005–2022
- Citroën C12005–2022
- Toyota Aygo (I)2005–2014
- Toyota iQ2009–2015
- Toyota Yaris (II)2005–2011
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- B-engine coolant leaks and EGR coolerBMW · MINI · Toyota
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