Is it a problem if the chassis of a Cadillac CT6 is scraped?

2 Answers
DiJohn
07/29/25 1:48pm
It depends on the severity of the scraping. A minor scrape usually does not affect the car's performance. However, if the chassis scrapes against sharp objects during high-speed driving, it may cause damage such as dents to the chassis steel plate or even deformation of the suspension system. The most vulnerable parts of the chassis are the oil pan and oil pipes. If you notice oil leakage or unusual noises after a scrape, it may indicate damage. Minor bumps are generally not a problem. Although oil pipes are relatively susceptible to impact, they are usually hidden and protected in grooves of the chassis steel plate and do not protrude above the chassis level. Additionally, the steel oil pan is quite durable and not easily breached. Chassis armor can be sprayed on exposed areas of the vehicle, such as the chassis, wheels, fuel tank, underbody panels, and trunk. Once dried, it forms a tough, elastic protective layer that prevents damage from flying stones and gravel, as well as protects against moisture, acid rain, and salt corrosion, preventing rust and ensuring driving safety. Engine guards are custom-designed protective devices for various car models, primarily to prevent mud from covering the engine and to protect it from impacts caused by uneven road surfaces during driving. Not all car models come with this feature, but owners can choose to install it if not pre-equipped.
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JulianMarie
08/13/25 5:06am
Last time I drove over a speed bump in the CT6, the undercarriage also got scraped, so I checked it carefully afterward. When it comes to undercarriage scrapes, there are three key points to consider: location, depth, and the condition of the scratches. If it’s just the plastic engine guard that got scraped, there might be a few marks at most—nothing to worry about. But if the fuel tank or exhaust pipe is scratched, it’s best to go to a repair shop immediately and have it lifted for inspection. From my experience, if you hear a loud 'clang' or metal grinding noise, it’s best to stop and check the ground. If there’s any fluid leakage (especially green coolant or brown engine oil), you must call a tow truck. The CT6’s undercarriage has over a dozen protective plates, and the aluminum suspension components are most vulnerable to deformation—keep an eye out for any steering misalignment or unusual noises afterward. For minor scratches, you can just buy a can of undercarriage protective paint and touch it up yourself. But if the metal parts are exposed and the primer is damaged, leaving it untreated for too long will lead to rust.
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