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Engine knock/rattle

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Old Feb 19, 2022 | 06:51 AM
  #1  
janx221's Avatar
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From: Estonia
Default Engine knock/rattle

I was hoping anyone here could identify the problem.
Mazda 6 2007 2.0 105kw
 
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Old Feb 20, 2022 | 10:05 AM
  #2  
Wapwapwap's Avatar
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From: QLD
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maybe leaky fuel injector/s
 
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Old Feb 20, 2022 | 10:57 AM
  #3  
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From: Northern California
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To me it sounds like a valvetrain part.........
Theat could be a sound of many things?

The best thing to do is narrow it down. Make yourself a homemade hearing tool.
Take a Philips driver a 10–12-inch piece of hose and a screw or bolt. Push the hose about 1/2-3/4 inch on the shaft end of the Philips driver. Then take your screw/bolt and insert it on the remaining open end of the hose.
You see where this is going?

Now you can take the blunt handle of the Philips driver and push it against you ear and the other end touch various parts of the engine. This will amplify the sound and you can locate exactly where the sound it is coming from


You can also buy one for about 10-15 bucks on amazon.
 

Last edited by Callisto; Feb 20, 2022 at 11:00 AM.
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Old Feb 24, 2022 | 11:34 AM
  #4  
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From: QLD
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Originally Posted by Callisto
To me it sounds like a valvetrain part.........
Theat could be a sound of many things?

The best thing to do is narrow it down. Make yourself a homemade hearing tool.
Take a Philips driver a 10–12-inch piece of hose and a screw or bolt. Push the hose about 1/2-3/4 inch on the shaft end of the Philips driver. Then take your screw/bolt and insert it on the remaining open end of the hose.
You see where this is going?

Now you can take the blunt handle of the Philips driver and push it against you ear and the other end touch various parts of the engine. This will amplify the sound and you can locate exactly where the sound it is coming from


You can also buy one for about 10-15 bucks on amazon.
Thats cool I need to do that on my sisters 2002 Astina. Only knocks in first and second then doesnt knock at all in the remaining gears even when thrashed. I thought maybe fuel or knock sensor but not my car so not my priority lol. Ive already spent heaps of time getting her car to where it was. Scored 1k off her to for the help lol.
 
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