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What Causes Increased Engine Noise After Maintenance?

1 Answers

LillianaRose

07/30/25 4:36am

Possible reasons for increased engine noise after maintenance include: differences in quality between the new oil and the previous oil; insufficient viscosity or lubrication film thickness of the new oil; improper maintenance procedures or oil type mismatch with the vehicle model. Details about car maintenance are as follows: 1. Antifreeze usage tips: It's best to use antifreeze year-round. Besides its cooling and anti-freezing functions, antifreeze also cleans, prevents rust and corrosion, reducing radiator corrosion and protecting the engine. Pay attention to choosing the correct antifreeze color and avoid mixing different types. 2. Brake fluid usage tips: The performance of the braking system is closely related to brake fluid. When inspecting or replacing brake pads, discs and other hardware, don't forget to check if the brake fluid needs topping up or replacing.

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