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Engine knocks

Tiny
DRDEXPLORER
  • MEMBER
  • 7 POSTS
It sounds like its at the top out side the motor
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Tuesday, January 26th, 2021 AT 8:26 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,217 POSTS
I need you to try something. Remove the serp belt and start the engine to see if the sound is gone. NOTE: Only run the engine for a few seconds to see if the sound it gone. Do Not run it longer than needed. It will overheat again.

If it sounds outside of the engine, chances are it is one of the accessories.

Let me know what you find.

Joe
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Tuesday, January 26th, 2021 AT 8:26 AM (Merged)
Tiny
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No it still knocked it did not seem as loud I also tried Taking plug wires off one at time on # one clylinder it was very light if any
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Tuesday, January 26th, 2021 AT 8:26 AM (Merged)
Tiny
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  • MECHANIC
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Okay, when you removed the #1 plug wire, did the sound stop?
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Tuesday, January 26th, 2021 AT 8:26 AM (Merged)
Tiny
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Yes pretty much you can hear it just little idling
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Tuesday, January 26th, 2021 AT 8:26 AM (Merged)
Tiny
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  • MECHANIC
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If the noise goes away when you remove the wire, then my guess is a rod bearing or wrist pin is bad.

I wish I had better news.
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Tuesday, January 26th, 2021 AT 8:26 AM (Merged)
Tiny
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Thanks for all your help
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Tuesday, January 26th, 2021 AT 8:26 AM (Merged)
Tiny
BLAINE
  • MEMBER
  • 1 POST
  • 1997 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 215,000 MILES
A friend had a 1997 Ford Explorer with 215,000 kms given to her and 1 month later she started the vehicle to warm it up and 10 min later the engine was knocking and oil was sprayed all over under the hood. The temperature was -15C that day. Is there anything problem areas that can fail to cause this problem? I was asked to take a look at it between Christmas and Newyears to see if I can see what failed.
Thanks for any tips.
Merry Christmas and Happy New Year
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Tuesday, January 26th, 2021 AT 8:26 AM (Merged)
Tiny
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You are welcome. I just wish I had better news.

Joe
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Tuesday, January 26th, 2021 AT 8:26 AM (Merged)
Tiny
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I need to know where the oil was straying from. If there was a knock, chances are a low oil level cause a bearing issue. As far as the leak, again, I need to know where it is coming from.
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Tuesday, January 26th, 2021 AT 8:26 AM (Merged)

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