The Engine Oil Cap – Missing in Action?

The Engine Oil Cap – Missing in Action?

Where did it go?


Life can be really busy sometimes, to the point where we aren’t paying attention to what we’re doing. Especially when it comes to adding fluids or air to the tires when are minds are distracted by other stuff.

You stop at the gas station to fill your car. You pop the hood, you go inside and pay for your fuel. You have to let the engine cool down in order to check the oil (you should check weekly).



By now, you’ve already checked the owner’s manual, you’ve already been to the store, picked up the correct oil for the car and need to check the dipstick to see if you have to add any. You pull the dipstick, wipe it off, and then re-insert it. Pull it out and look at it … the dipstick says you’re down a quart.



by Lestertairpolling


You open the hood, open the oil filler cap (usually located on the valve cover), and either use a funnel to put oil into the engine (you have pour the oil slowly or the oil in the funnel overflows onto the engine) or are good enough to get the oil to pour into the oil area (valve cover) without getting it all over the engine.


Okay time to throw away the empty oil bottle and replace the oil filler cap.  If your mind is somewhere else, you won’t remember to put the oil cap on and you’ll close the hood and get back into the car.

Natalia Belotelova


A ways down the road, you smell something burning and the engine is knocking. It sounds like the engine’s going to blow up, so you pull over, put on your flashers  (hazard lights) on and open the hood. You discover what was burning since there is oil all over the hood and the engine, you don’t see the oil cap. You discover that the oil cap is missing… and think “how did I forget to do that?”.


The next thing you should do, is immediately get to your local parts store, get a new oil cap and some more oil.  You will have to check the oil again to make sure you add the proper amount into the engine. And you make sure this time, to put the oil filler cap on, since it just cost you more money than you planned on to begin with.

When you get into the auto parts store, you need to ask for a replacement oil filler cap. The counter person will ask you year, make, model and engine size in order to get you the right one.


=>>CLICK HERE to buy an oil cap in the US, UK, CA, ITFR, ES, DE<<=


If your car is really new, you may have to go to the dealer for the new one, as they have not produced an aftermarket one to buy from the auto parts store just yet.

It’s important to check your oil as it can affect the performance of the car, create more heat – causing more wear and tear on the engine and the temperature gauge may rise as the engine is hotter. If you run out of oil, you can cause the engine to seize up. 

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10 responses to “The Engine Oil Cap – Missing in Action?”

  1. Debby says:

    I’ve honestly never changed my oil since it’s usually taken care of when I bring my car in for regularly scheduled maintenance but if I did, I could see myself forgetting the cap so this was definitely an interesting read which I will keep in mind just in case!

    • Hi Debby!
      Thanks for the comment I appreciate that very much!
      Well, you should always check it to make sure it’s where it’s supposed to be. It can affect your gas consumption. You might use more fuel with less oil in the engine, more wear and tear on the engine and it tends to make the engine hotter so the temperature gauge might rise as well.

  2. One of the first things I was made to do when i got my license (a long time ago), was check the oil and water everyday before i start my car. I still do it, i was always taught it’s one of the most important things in caring for your car’s engine.

    thanks for sharing.

  3. Rani says:

    I love this post. I’ve never go anywhere near my car stuff, my hubby or the garage looks after that, however you’ve made the process oil seem very easy. I’m going to have a go tomorrow. Thank you


  4. Dalton says:


    I can honestly say I’ve never misplaced the good old 710 cap myself. I realized after reading your account though how this could happen. As a tip, I would say leave it somewhere very blatant. Ideally you would not be able to close your hood properly if the cap was there.

    If you happen to try and close your hood and it breaks your cap, at least you won’t have to deal with cleaning up a mess of oil, potentially destroying your engine after running on no oil for however long, and you can get down to the parts store immediately to grab a new one.

    Then it becomes a lesson learned and I bet it’s not to be forgotten again!

    Great tips though for those who don’t know what information to prepare for the parts store.

    • Thank you! There are times a customer who knows nothing about a vehicle, will try and explain a part to someone. I just ask them to show me and then we’ll go from there. It makes it easier and saves time.

  5. Keith Moss says:

    Love to read this article, thank you very much for sharing this post with us 🙂

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