2003 5.9 250hp knocking(piston slap?) - Dodge Cummins Diesel Forum
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post #1 of 3 (permalink) Old 04-15-2019, 01:54 PM Thread Starter
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2003 5.9 250hp knocking(piston slap?)

Hi everyone. New here and hoping to get some help.

Water pump went out and threw the belt. Drove it home nice and cool about 7 miles and it barely went over the halfway mark.

Fixed the water pump and got water into it but when I started it up I have a loud knocking.

It sounds like piston slap to me but I have read and watched a crap ton of videos and info and most of it points towards a dead injector.

video's in next post due to limitations on the site.

Thanks for any help or info.

reddragon72 is offline  
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post #2 of 3 (permalink) Old 04-15-2019, 01:56 PM Thread Starter
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Here is my video of the issue.

h t t p s ://www .youtube .com / watch?v=fglyC2b4oXs

Here is with the cover off and number one injector disconnected. It is way quieter but I can still hear it.

h t t p s ://www .youtube .com / watch?v=AcnSprtRuMc

Here is me plugging and unplugging the injector.

h t t p s ://www .youtube .com / watch?v=rJsD0IzZqpw

Sorry for the odd post but trying to get around the limitations.
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post #3 of 3 (permalink) Old 04-30-2019, 06:52 AM
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i suggest you to lrt check it by an expert mechanic
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