Does exceeding the recommended maintenance mileage affect a car?

1 Answers
AvaAnn
07/25/25 9:41pm
The impacts of exceeding the recommended maintenance mileage for a car: 1. If the engine oil exceeds the maintenance mileage by too much, it will reduce the oil's fluidity, thereby increasing engine wear. In severe cases, it may cause issues such as unexplained engine stalling, especially affecting turbocharged engines more significantly. 2. If the coolant exceeds the maintenance mileage by too much, it can lead to frequent high-temperature warnings for the engine. Additionally, the cooling system is more prone to scale buildup, resulting in poorer engine cooling performance. 3. Exceeding the maintenance mileage for the braking system can cause the brake fluid to lose effectiveness. Prolonged braking will raise the temperature of the brake fluid, lowering its boiling point, and after boiling, the braking system will become ineffective.
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