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Knocking Noise In Engine


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Arold10
New User

May 12, 2018, 1:43 PM

Post #1 of 6 (192 views)
Knocking Noise In Engine Sign In

I'd like to get some word of suggestions from you. I did an oil change in my car months ago. There was a sticker with the amount of miles on it which was 70,766 from previous change.

The problem is that they didn't update the amount of miles in the sense when the car would need another oil change which would have been 73,766 miles. I was left to figure it out by myself by adding 3,000 miles on the recent amount that was on the sticker.

Sadly, I ended losing track of it. As result, my engine ran out of oil.

I started hearing a knocking noise. When bringing over to a mechanic, they worked on it by changing the oil.

The noise stopped to a great degree when accelerating. But it is still there. So I did contact the mechanic, he told me give it some time.

I'm worrying that the engine has sustained some damages.

What do you think?


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

May 12, 2018, 2:00 PM

Post #2 of 6 (184 views)
Re: Knocking Noise In Engine Sign In

Uggh! By the time oil level is low enough to cause "knocking" you are right at the point of instant "game over" for that engine. Sticker isn't about just when to change or check oil next you keep up with that checking it yourself unless this has a known "check oil" as in level warning. I agree with the shop/tech's suggestion to just drive it now knocking less you may get some more time out of it or not? That's totally unknown but damage did occur how much isn't known.


Car's don't usually use much and some not any at a fairly suggested 3 months, 3,000 miles many would suggest close to that for "severe" use which is listed in owner's manual what the type, viscosity and intervals should be with how it's driven.


What is this and how many miles? Oil if low enough to knock in any reasonable time or miles over suggestions is probably leaking still now more. Cross your fingers and carry extra oil with you and check it a LOT now. Don't let it get even the whole qt. mark low now but don't overfill it either and hope for the best but expect an engine also sorry to say,


T



Arold10
New User

May 12, 2018, 2:13 PM

Post #3 of 6 (178 views)
Re: Knocking Noise In Engine Sign In

Since it's an old car, a Toyota corolla 1998.

I'd rather buy a new one.


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

May 12, 2018, 2:31 PM

Post #4 of 6 (174 views)
Re: Knocking Noise In Engine Sign In

That's your call if this gets worse but the same would apply to anything that hold oil for an engine brand new or older. If this car is otherwise excellent and the worst happens they made zillions of these a whole engine could be a good choice.
Old or new cars are costly do learn basics on caring for one manually the handy warnings IMO may not work or be on time if this has those or not or another anything,


T



Arold10
New User

May 13, 2018, 3:08 PM

Post #5 of 6 (140 views)
Re: Knocking Noise In Engine Sign In

It makes me feel horrible for something that could have been avoided quite easily. If it wasn't for that confusion about the mileage reading, I would have changed the oil long time ago which would have kept this from ever happening.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 13, 2018, 3:16 PM

Post #6 of 6 (136 views)
Re: Knocking Noise In Engine Sign In

You really need to stop blaming this engine failure on a lube sticker and your failure to be able to add 3000 to any number.

Periodically checking oil level is a basic requirement for any driver of a motor vehicle. When the oil should be changed has no bearing at all on maintaining the correct oil level in between changes.
If one of my kids did this, it would be the last car of mine they would drive.

Checking fluid levels is the first thing you learn when learning how to drive a car.

I hope a real lesson was learned here.



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