An engine oil leak is oil escaping from seals, gaskets or the sump, which can lead to low oil levels, overheating and serious engine damage if left unchecked.
Engine oil keeps the moving parts of an engine lubricated and cool. When seals or gaskets wear out, oil can leak from the engine. Small weeps are common on older cars, but larger leaks can drop the oil level, raise temperatures and, in the worst case, lead to expensive engine damage.
Inspectors look for leaks both on the engine itself and underneath the car. Wet, oily build-up around the valve cover, the oil pan, the timing cover or the seals points to a leak. Fresh oil stains where the car was parked, and a burning smell from oil dripping onto hot parts, are also clear signs.
The UAE climate makes this more important. Constant heat puts extra stress on seals and oil, so leaks can develop faster and matter more than in cooler countries. A car that runs low on oil in summer traffic can overheat quickly.
Not every leak is a major problem. A minor seep might just need monitoring, while a heavy leak from a main seal can be costly to fix. An inspection identifies where the oil is coming from and how serious it is, which is useful both for safety and for negotiating the price.
Related: OBD Diagnostic Scan | Service History | Pre-Purchase Inspection (PPI) | Suspension & Steering Check