What are the drawbacks after replacing the engine?

[LaFaith]

During the disassembly and reassembly process, the quality of the replaced seals and screws may be inferior to the original ones, and it can also lead to vehicle depreciation. Here are the relevant details: 1. Regulations on engine replacement: Article 10 of the "Motor Vehicle Registration Regulations" clearly stipulates that within ten days after replacing the engine, the vehicle owner must apply for a change of registration at the local vehicle management office. After completing the registration change as required, the owner must also update the insurance information accordingly. 2. Issues with vehicle management: Each vehicle's documentation includes the engine number and specifications. Even if the replacement engine is of the same model and displacement, there may still be inconsistencies in the engine number. If a higher-displacement engine is installed, it may be difficult to explain during annual inspections or traffic checks, potentially leading to allegations of illegal modifications.