Posted on 12/17/2025

High-mileage cars can be surprisingly solid, but they all tend to wear in the same spots after years of commuting, traffic, and heat. When you know what usually goes first, you can catch those problems early and keep the odometer climbing without constant surprises. 1. Engine Oil Leaks and Seepage Once an engine has plenty of miles on it, seals and gaskets start to harden. That is when you see oil collecting around valve covers, oil pans, timing covers, and sometimes on the driveway. A light film is common, but when it turns into damp, wet areas or drips on the exhaust, it is time to deal with it. We often see drivers ignore small leaks until the oil level starts dropping between changes. That is where trouble begins. Low oil can accelerate wear on bearings, camshafts, and timing components. Having leaks checked and repaired while they are still manageable usually costs less than chasing engine damage later. 2. Overheating and Cooling System Breakdowns ... read more