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When oil light turns on there is a loud noise coming from under the hood

Tiny
CRYSTAL123!!
  • MEMBER
  • 2007 DODGE DURANGO
  • 4WD
  • 145,000 MILES
My oil light keeps coming on and when it does a few minutes later a loud sound under hood appears. Faster you go louder it gets. I replaced 4 deactivation solenoids as well as all the spark plugs. When my oil light comes on that means the noise under hood is coming next. The faster I go it sounds like it's going to explode.
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Thursday, April 2nd, 2020 AT 5:25 AM

9 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

You have an oil pressure issue. When the light comes on, the pressure is either low or not there at all. That is the noise. The engine bearings are not being lubricated and the noise is damaging the motor.

https://www.2carpros.com/articles/engine-noises

At this point, you have damaged the engine driving it this way.

Did anyone do a manual oil pressure test?

Most likely you are going to need the engine replaced.

Can you upload a video of the noise?

Roy
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Thursday, April 2nd, 2020 AT 6:11 AM
Tiny
CRYSTAL123!!
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The noise isn't there all the time. Once you drive the car awhile that's when the oil light comes on then minutes later the noise under hood.
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Thursday, April 2nd, 2020 AT 6:26 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Can you upload a video for me to view?

What tests have been done for this?

Roy
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Thursday, April 2nd, 2020 AT 6:28 AM
Tiny
CRYSTAL123!!
  • MEMBER
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I just started it and drove it down the street didn't do anything the sound comes and goes but the oil light always comes on first. My engine light is on and had a diagnostic test done said it was my solenoids I replaced those. Also all the spark plugs I just paid someone $500.00 to fix my vehicle go to pick it up and didn't even make it home before it started acting up.
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Thursday, April 2nd, 2020 AT 6:31 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, they have nothing to do with your noise. That is a separate issue.

When it makes the noise, take a video of the noise and upload it to this post for us to hear.

Roy
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Thursday, April 2nd, 2020 AT 6:35 AM
Tiny
CRYSTAL123!!
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I will do that thanks.
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Thursday, April 2nd, 2020 AT 6:38 AM
Tiny
ASEMASTER6371
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You are welcome.

Always glad to help.

Roy
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Thursday, April 2nd, 2020 AT 6:40 AM
Tiny
CRYSTAL123!!
  • MEMBER
  • 5 POSTS
This is the sound it makes:
Video (Click to make bigger)
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Thursday, April 2nd, 2020 AT 11:16 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Thank you.

That is an internal engine noise from the bearings and lifters. It comes from the lack of oil pressure.

I would stop driving immediately and have this addressed and repaired before it leaves you stranded and the engine locking up.

Roy
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Thursday, April 2nd, 2020 AT 11:30 AM

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