Can an Automatic Transmission Modified to Manual Pass the Annual Inspection?

2 Answers
VonEmersyn
09/05/25 7:29am
An automatic transmission modified to manual cannot pass the annual inspection. Definition of Manual to Automatic Conversion: Converting from manual to automatic may be considered illegal modification, as illegal modifications include alterations to the vehicle's appearance, powertrain, transmission system, and braking system that exceed the original design load capacity and functions permitted by national laws and manufacturer approval. Whether replacing the automatic transmission or installing an automatic clutch, these modifications to the vehicle's powertrain and transmission are illegal without approval from relevant authorities. Methods of Manual to Automatic Conversion: Converting from manual to automatic requires consideration of the engine compartment size and layout. If the same model is available with an automatic transmission, the conversion is easier. However, after conversion to automatic, the vehicle will not pass the annual inspection, and the automatic transmission consumes more fuel than the manual transmission, with a noticeable decrease in performance.
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MollyDella
09/17/25 7:42am
I once converted an automatic transmission car into a manual one, spending nearly 20,000 yuan, thinking it would be more fun to drive. However, when I went to the vehicle management office for the annual inspection, it was immediately rejected. The staff said this was illegal modification, altering the vehicle's structure and factory design, and it had to be restored to pass the inspection. The reason is simple: the transmission system is a core safety component, and any modification could affect the brake linkage and power system. During the inspection, the vehicle management office matches the original registration information, and if the transmission model doesn’t match, it’s directly rejected. What’s worse, the modification itself poses significant safety risks, and improper operation can easily lead to loss of vehicle control. Based on experience, unless you apply for a modification registration in advance and obtain certification, the annual inspection will likely fail. I suggest not bothering with it to avoid wasting time and money. If you want to enjoy a manual transmission, it’s safer and easier to just buy a factory-made manual car.
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