Engine knock - Nissan Titan XD Forum
 
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post #1 of 7 Old 04-10-2019, 04:17 AM Thread Starter
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Now I’m sure this has been posted however I’m not so sure if my situation exactly will fit any other previous discussion. In the link is a video of a Cummins with a knock. I noticed my truck started making a noise just like this however not nearly as loud after idling for a while I shut the truck down for about an hour started it back up and the noise went away what could cause this?

https://m.youtube.com/watch?v=697rKBf2rg4
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post #2 of 7 Old 04-10-2019, 10:01 AM
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Originally Posted by Ronnie Knight View Post
Now I’m sure this has been posted however I’m not so sure if my situation exactly will fit any other previous discussion. In the link is a video of a Cummins with a knock. I noticed my truck started making a noise just like this however not nearly as loud after idling for a while I shut the truck down for about an hour started it back up and the noise went away what could cause this?

https://m.youtube.com/watch?v=697rKBf2rg4
Difference between knock and clatter. Maybe its the latter? Once engine is worn in 20k or so the diesel clatter will increase
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post #3 of 7 Old 04-10-2019, 10:16 AM
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I think there is something amiss here. Does it go away when you speed up the engine slightly or speed up? Mine does NOT do that. I have a multiple knock (clatter as Tree mentioned) but nothing as pronounced as what you are experiencing.


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post #4 of 7 Old 04-10-2019, 10:39 AM
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Originally Posted by Ronnie Knight View Post
Now I’m sure this has been posted however I’m not so sure if my situation exactly will fit any other previous discussion. In the link is a video of a Cummins with a knock. I noticed my truck started making a noise just like this however not nearly as loud after idling for a while I shut the truck down for about an hour started it back up and the noise went away what could cause this?

https://m.youtube.com/watch?v=697rKBf2rg4
Difference between knock and clatter. Maybe its the latter? Once engine is worn in 20k or so the diesel clatter will increase
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I think there is something amiss here. Does it go away when you speed up the engine slightly or speed up? Mine does NOT do that. I have a multiple knock (clatter as Tree mentioned) but nothing as pronounced as what you are experiencing.
Video truck is not normal clatter
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post #5 of 7 Old 04-10-2019, 02:08 PM
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Yea, that's not what U would consider normal clatter even for my old 5.9
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post #6 of 7 Old Yesterday, 07:32 AM
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not normal, what most hear is injector tick, every diesel will do it but in video it is bearing failure and wiped a couple cylinders..he rebuilt the engine himself for about 3-4k
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post #7 of 7 Old Today, 11:37 AM
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not normal, what most hear is injector tick, every diesel will do it but in video it is bearing failure and wiped a couple cylinders..he rebuilt the engine himself for about 3-4k
Funny story...I met him yesterday. Had no idea he lived in my town.
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