New Volkswagen Bora Turbo – Ref. 454159-5002S

Diagnosing the turbo on your Volkswagen Bora 1.9 TDI 90 before replacement

Before ordering a new turbo for your Volkswagen Bora, it is essential to confirm that the fault lies with the turbocharger itself and not with a peripheral component. Start by checking for blue or black smoke from the exhaust, a gradual loss of power, an unusual whistling noise under acceleration, or an engine warning light accompanied by a fault code related to boost pressure. Then check the axial and radial play of the turbo shaft by hand, the condition of the vacuum hoses, the cleanliness of the air filter, and whether there are any traces of oil in the intake circuit or at the intercooler. This diagnosis helps avoid an unnecessary replacement and identifies any associated cause that, if left uncorrected, would quickly damage the new turbo.

Compatibility with the Volkswagen Bora 1.9 TDI 90

This new turbo is compatible with reference 454159-5002S, intended for the Volkswagen Bora fitted with the 1.9 TDI 90 diesel engine, with an engine capacity of 1896 cm³, corresponding to engine codes AGR and ALH. Before placing any order, it is strongly recommended that you check the reference marked on the old turbo as well as the engine code shown on the vehicle's identification plate or service book, to ensure a perfect match with your Bora.

Exchange and warranty for this Bora turbo

This new turbo is sold on an exchange basis: return of the old turbo is required, in accordance with our Terms and Conditions, and takes place only after the new turbo has been delivered and fitted, so your Volkswagen Bora is never left off the road unnecessarily. A 12-month parts warranty applies, subject to fitting being carried out by a professional. Payment can be spread over several instalments, in up to 10 instalments.

Fitting advice to protect your new turbo

On the Bora's 1.9 TDI 90, the majority of premature turbo failures are caused by inadequate lubrication — whether due to incorrect oil, missed oil changes, or a clogged oil filter. Before fitting, check that the oil circuit is clean, that there is no carbon build-up in the feed and return hoses, and that the air intake and intercooler are properly sealed. Always prime the new turbo with oil before the first start-up, to ensure immediate lubrication of the bearings and extend the service life of the unit fitted to your Volkswagen Bora.

This same turbo also fits

• New Turbo Audi A3 – Ref. 454159-5002S
• New Turbo SEAT Leon – Ref. 454159-5002S
• New Turbo SEAT Toledo – Ref. 454159-5002S
• New Turbo Skoda Octavia – Ref. 454159-5002S
• New Turbo Volkswagen Golf – Ref. 454159-5002S
• New Turbo Volkswagen New Beetle – Ref. 454159-5002S
• New Turbo Volkswagen Polo – Ref. 454159-5002S