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Oil Leak After An Oil Change

Fresh oil drips after a service usually come from a drain plug without a new washer, a loose or double-gasketed oil filter, a filler cap not fitted or spilled oil.

High risk

Check promptly. A leaking filter or plug can lose oil quickly and damage the engine.

Short answer · Why is my car leaking oil after an oil change?

The most common causes are simple: the drain plug was not tightened or its washer was not replaced, the old filter seal stuck to the engine so two seals are now present, or the new filter is not tight. Spilled oil also drips for a few days. A fast drip or puddle needs attention before driving further.

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Safe checks you can do

  1. Check the oil levelMake sure it is between the marks.If the level is low and dropping fast, do not drive.
  2. Look at the drain plug and filterWet areas show the source.
  3. Check the filler cap and dipstickMake sure both are fitted correctly.

Questions that narrow it down

  1. Is it a few drops or a puddle?A puddle needs attention right away.
  2. Where is the drip?Under the sump: plug; side of the engine: filter.
  3. Is the oil light on?Stop the engine.

Possible causes

Listed without ranking. Use the questions above to see which ones fit your car.

  1. Drain plug loose or old washerDrips from the sump.
  2. Double filter gasketOld seal left behind.
  3. Filter not tightLeaks under pressure.
  4. Spilled oilDrips for a few days.
  5. Filler cap not fittedOil sprayed around the engine.

Questions about Oil Leak After An Oil Change

Should I return to the workshop?

Yes. Most will check and fix it quickly.

Can spilled oil smell?

Yes, it can burn off hot parts for a few drives.