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Under what circumstances does the subframe need to be replaced?

1 Answers

JohnLynn

07/29/25 5:15pm

If the vehicle has experienced significant undercarriage impacts or collision accidents resulting in deformation or damage to the subframe, replacement is necessary. Below is relevant information about the subframe: 1. Definition: The subframe is commonly referred to as the 'yuan bao liang' in Chinese, with 'subframe' being the professional term. 2. Function: Besides supporting the engine and transmission, the subframe also enhances the chassis's structural strength. Typically made from steel or aluminum alloy, aluminum alloy subframes offer advantages in both strength and weight compared to steel ones. 3. Assembly: A type of subframe assembly includes the subframe itself and connecting brackets. These brackets feature a top surface and side surfaces, with the top surface attached below the subframe's support points and the side surfaces connected to the inner side of the chassis longitudinal beams.

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