Does the engine guard affect engine sagging?
2 Answers
Engine guards do not affect engine sagging. Engine guards are custom-designed protective devices for engines based on different vehicle models. Their primary purpose is to prevent mud from covering the engine and to protect the engine from damage caused by impacts from uneven road surfaces during driving. Engine guards come in various materials such as hard plastic resin, aluminum alloy, plastic steel, and steel. Among them, plastic steel mainly consists of modified polymer alloy plastic steel, also known as modified copolymer PP. The functions of engine guards include: 1. Keeping the engine compartment clean and preventing road water and dust from entering; 2. Preventing sand, stones, and other hard objects kicked up by tires during driving from hitting the engine.
As an experienced driver who enjoys delving into the details of automotive safety, I'm often asked whether engine underbody protection plates can interfere with engine drop-down during a collision. Engine drop-down is an ingenious design specifically intended to allow the engine to move downward in severe accidents, preventing it from intruding into the passenger compartment and thereby protecting occupants. Installing engine protection plates, especially those made of rigid metal, might indeed obstruct this mechanism. Since the plate is fixed beneath the engine, it could potentially jam and prevent the engine from dropping during impact, increasing the risk to passengers. However, there's no need for excessive concern—many OEM plates or aftermarket products designed for specific vehicle models take this into account by incorporating weakened zones or leaving adequate clearance to permit smooth engine descent. I've inspected my own vehicle and concluded that choosing a protection plate with dedicated drop-down channels is a wise decision; otherwise, high-speed crash test data indicates that safety risks could potentially double. In summary, while installing a protection plate serves to shield the engine from road debris, it's crucial to prioritize certified compatible products. During routine maintenance, have technicians verify that the plate's positioning doesn't compromise safety mechanisms—this approach ensures both protection and peace of mind in daily driving.