Knocking noise in engine

LA.VERO

MEMBER
1999 SATURN SL2
4 CYL
MANUAL
216,307 MILES

Car has a knocking sound and gets louder when I step on gas. What could it be and what is the cost to repair it? Is it worth fixing? Please help.
It was low on oil when knocking started. But I added four quarts. Now it is not as loud but still knocks.

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6 Replies

SATURNTECH9

MECHANIC
30,870 POSTS

If you had to add four quarts of oil to the engine then there was no oil in the engine. It sounds like you most likely spun a rod bearing. Your best bet for repair would be a used engine. Let me get you a guide to help you along.

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Friday, May 4th, 2018 AT 8:11 AM

SATURNTECH9

MECHANIC
30,870 POSTS

https://www.2carpros.com/articles/rattle-noise

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Friday, May 4th, 2018 AT 8:15 AM

SATURNTECH9

MECHANIC
30,870 POSTS

Let me know what you find. I would say a rod knock.

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Friday, May 4th, 2018 AT 8:15 AM

LA.VERO

MEMBER
40 POSTS

Thank you and around how much would engine swap cost?

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Friday, May 4th, 2018 AT 3:31 PM

KEN L

MASTER CERTIFIED MECHANIC
42,882 POSTS

Hello,

Can you check to see if you have a loose spark plug? That is what it sounds like to me.

https://www.2carpros.com/articles/how-to-change-spark-plugs

Please let us know what you find. We are interested to see what it is.

Cheers, Ken