Irregular rattling noise (video included)

Tiny
LANCE52
  • MEMBER
  • 2002 DODGE STRATUS
  • 2.7L
  • V6
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
Hey everyone. I got the car listed above and I have been driving it for two years without any problems in tell now. My serpentine belt was starting to squeal, drove it for a couple days planning on fixing it that next weekend. Couple days before the weekend I heard a loud enough rattling noise to know not to drive it. Thinking it was possibly a loose tension-er for my serpentine belt I removed the belt and started the car again. Unfortunately the noise still persisted! Cannot quite pin point it down to a specific problem. The noise is coming from the front camshaft/timing chain toward the front of the engine. Pulled the three front spark plugs out as well to test if that would make a difference but the noise still persisted. Here is a link I uploaded of how my car currently sounds:

https://m.youtube.com/watch?v=UEHH33xIEtM

My guess so far is a possible timing chain tension-er or a connecting rod. The timing chain seems fairly tight though (has a small amount of play). If you guys have any questions or if I left out any critical information let me know I will be more then happy to post as much information as possible.
If anyone can point me in the right direction on this problem I would be extremely grateful.
Thanks again for all the help!
Monday, October 16th, 2017 AT 11:05 PM

3 Replies

Tiny
LOU P
  • MECHANIC
  • 118 POSTS
Hello, looking over the video the sound does make me think it is a rod knock of sorts.
Might want to try another video from under the car. The microphones on the phones surprisingly pick up sounds way clearer then the human ear.
Lou
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Tuesday, October 17th, 2017 AT 7:36 AM
Tiny
LANCE52
  • MEMBER
  • 2 POSTS
Will be uploading a video from under the car shortly! Also, should add the engine is a 2.7 DOHC.
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Tuesday, October 17th, 2017 AT 8:15 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,883 POSTS
Okay please let us know. I am interested to see what it is.

Cheers, Ken
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Friday, October 20th, 2017 AT 11:01 AM

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