New Citroën C4 1.5 BlueHDi Turbo – Ref. 853603-5002S

Signs of a failing turbo on the Citroën C4 1.5 BlueHDi 110

On the Citroën C4 fitted with the 1.5 BlueHDi 110, a turbo nearing the end of its life often makes itself known through a loss of power under acceleration, an unusual whistling noise from under the bonnet, an engine warning light, or abnormal exhaust smoke (blue or black). Excessive oil consumption, hesitation on pick-up, or increased fuel consumption are also warning signs that should not be ignored. These symptoms generally point to worn bearings, excessive shaft play, or an oil leak on the turbine side, and call for prompt replacement to avoid damaging the engine.

New turbo for the Citroën C4: compatibility and reference

This new turbo is compatible with reference 853603-5002S, intended for the Citroën C4 fitted with the 1.5 BlueHDi 110 diesel engine of 1499 cm³, associated with engine codes 5WZ-HV, 5WZ-TV and YHS depending on the version. Before placing an order, it is essential to check the reference shown on the label of the old turbo or on the vehicle registration document, as closely related engine variants may use different turbos.

Warranty and delivery for this Citroën C4 turbo

This new turbo is sold as a straightforward purchase: there is no return of the old turbo required, and no collection of the old unit. A single delivery is made — that of the new turbo. A 12-month parts warranty applies, subject to fitting being carried out by a qualified professional.

Advice before and after fitting on the C4 1.5 BlueHDi

On this engine, turbo longevity is closely linked to lubrication: always use the recommended oil grade and adhere strictly to the service intervals. A clogged air filter or a damaged intercooler also accelerate premature turbo wear, as does habitually driving at high revs. Before fitting, check the oil circuit (hoses, return pipe), the condition of the intake hoses, and the cleanliness of the air intake. When starting up for the first time, prime the turbo with oil before the initial start to ensure immediate lubrication of the bearings. Payment for your order can be spread over several instalments, in up to 10 instalments.

This same turbo also fits

• New Citroën Berlingo Turbo – Ref. 853603-5002S
• New Citroën C5 Turbo – Ref. 853603-5002S
• New Citroën DS3 Turbo – Ref. 853603-5002S
• New Citroën DS4 Turbo – Ref. 853603-5002S
• New Opel Combo Turbo – Ref. 853603-5002S
• New Peugeot 3008 Turbo – Ref. 853603-5002S
• New Peugeot 308 Turbo – Ref. 853603-5002S
• New Peugeot 5008 Turbo – Ref. 853603-5002S
• New Peugeot 508 Turbo – Ref. 853603-5002S
• New Peugeot Rifter Turbo – Ref. 853603-5002S