Will Installing an Engine Undershield Affect Engine Collapse?

2 Answers
AdrianLynn
08/27/25 7:57am
Engine undershields are mounted on the engine brackets and do not affect engine collapse, as during a collision, the undershield will drop along with the engine brackets. Installed directly beneath the engine, the undershield serves to protect the engine. Relevant information about automotive engines is as follows: 1. Introduction: The automotive engine is the device that provides power to the vehicle, acting as the heart of the car, determining its power, fuel efficiency, stability, and environmental friendliness. Common gasoline and diesel engines are both types of reciprocating piston internal combustion engines. 2. Classification: Based on the power source, automotive engines can be categorized into diesel engines, gasoline engines, electric vehicle motors, and hybrid power types, among others.
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JamesAnn
09/09/25 6:41am
During my years working at a 4S dealership, I've frequently encountered customers asking this question. Does installing an underbody guard affect engine drop? It potentially could, but mainly depends on the material and installation method. Engine drop technology is designed to make the engine drop downward during a collision, preventing it from intruding into the cabin and causing injuries. If you install a rigid steel guard directly welded to the frame, it would definitely block the movement. However, quality guards nowadays leave space for engine drop - aluminum alloy or plastic-steel ones with fracture groove designs that split open upon impact without compromising safety. I recommend choosing vehicle-specific guards installed by experienced technicians, avoiding cheap makeshift steel plates. They also protect the oil pan from road debris during normal driving!
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