Gurgling, clanking and grinding

Tiny
TEXASTOAST
  • MEMBER
  • 2006 HYUNDAI TIBURON
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 50,000 MILES
When I was driving I heard a metal clanking noise like a wrench flew under my car. Once I got home I started the car again and I can hear what sounds like fluid rushing or maybe a gurgling sound. And when I turn it off I hear a grinding sound for a second. Any ideas what it could be?
Tuesday, June 7th, 2022 AT 1:41 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

That could be quite a few different things. By chance, is anything leaking from the engine compartment? Also, is the sound loud enough for you to record and upload for me to hear? That may be very helpful.

Also, open the hood and confirm the accessory drive belt (serpentine belt) is still installed, and let me know if any warning lights turned on.

I will watch for your reply.

Take care,

Joe
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Tuesday, June 7th, 2022 AT 5:49 PM
Tiny
TEXASTOAST
  • MEMBER
  • 2 POSTS
Here’s a video and from what I can see nothing is leaking and the belt is still intact.
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Tuesday, June 7th, 2022 AT 5:51 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

In the video, I hear a high-pitched squealing or rubbing (metal to metal). Is that what you hear?

If that is correct, I have a feeling one of the bearings is failing in one of the belt-driven accessories. If you look below, the first pic is for the alternator belt. First, loosen bolt B in the pic. Also, on the opposite side of the highlighted portion is a bolt that will need to be loosened. That is the pivot bolt. Once both are loose (not removed) bolt A in the pic is the adjustment bolt. Turn that to loosen and tighten the belt.

Once the belt is loose, remove it and spin each of the accessories it turns. See if you can recreate the sound.

Pic 2 below is for the power steering pump. The bolt indicated needs loosened, and then the pump can be moved in a direction to loosen the belt. To tighten the belt, you will need a pry bar to place pressure on the pump belt.

Let me know if you are comfortable doing this.

Take care,

Joe
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Wednesday, June 8th, 2022 AT 7:42 PM

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