Reconditioned Audi A4 Turbo – Ref. 818988

Diagnosing a turbo fault on an Audi A4 2.0 TDI before any replacement

Before ordering a reconditioned turbo for your Audi A4, it is essential to confirm that the turbocharger is genuinely at fault. On A4 2.0 TDI engines, tell-tale signs include a gradual loss of power, an unusual whistling noise under acceleration, blue or black exhaust smoke, or the engine warning light coming on alongside fault codes related to boost pressure. A diagnostic scan tool will read any stored engine codes, while a visual inspection of the turbo (axial play, oil in the intake hoses, condition of the variable geometry) will confirm or rule out genuine mechanical wear before proceeding with replacement.

About the reconditioned turbo for the Audi A4

This reconditioned turbo is compatible with reference 818988 and is intended for the Audi A4 fitted with a 2.0 TDI engine. It is a fully restored unit, reconditioned to a rigorous standard and designed to restore the boost performance expected of this model, whether for everyday road use or more demanding driving.

Engine compatibility and reference verification

This turbo applies to Audi A4 models fitted with 2.0 TDI engines, in particular those associated with engine codes CAGA, CAGB, CAGC, CJCA, CJCB, CJCC, CMEA and CMFA, depending on the power variant. Before placing an order, we strongly recommend checking the reference number stamped on the old turbo or on the vehicle's identification plate, as several turbo variants may be fitted to the same model depending on the year and trim level.

Exchange basis and warranty on this Audi A4 turbo

This turbo is sold on an exchange basis: return of your old turbo is required, in accordance with our Terms and Conditions. It is only collected after the new turbo has been delivered and fitted, so your Audi A4 is not left off the road during the work. The part carries a 12-month parts warranty, subject to fitting being carried out by a qualified professional.

Fitting and run-in advice for the A4 2.0 TDI

Before installation, several points on this engine are worth checking: the condition of the oil circuit (feed and return lines), the cleanliness of the intake hoses, and the air intake to rule out any contamination. Pre-lubricating the turbo with oil before the first start-up is recommended to ensure the bearings are immediately lubricated. Common causes of failure on these 2.0 TDI engines include insufficient lubrication, engine oil of inadequate quality or not changed regularly enough, a clogged air filter, or a faulty intercooler allowing impurities through. Your order can be paid in up to 10 instalments.