We will never perform blind deep disassembly unless there are clear severe fault codes or extreme noises. The sealing of the engine and transmission is crucial, and compromising the factory seals to investigate non-existent issues is unprofessional. We rely on data flow and external acoustic and fluid analysis to make judgments.

Experience turbo lag and power surge during road tests; check for significant oil accumulation at the turbo intake and intercooler connections (slight oil vapor is normal); and use OBD to read the real-time boost pressure peak to see if it meets factory settings.

Yes. If your country (such as Chile, Peru, ASEAN countries, etc.) has signed a bilateral free trade agreement with China, our documentation center will apply to Chinese customs or the trade promotion agency for specific versions of the certificate of origin (such as Form E, Form F, etc.), which can help you legally apply for significant tariff reductions at the destination port.