something between a rattle and knock!!!
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New User
Joined: Mar 2013
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From: Tamaha, Ok.
something between a rattle and knock!!!
Had this engine in this truck for a few months and have driven maybe 2000 miles, headed out to work and didn't get a block and heard a severe rattle or maybe a knock, thought at first a rod. Drove a few miles to a relatives house unloaded the tools i would need and took it back home, to work on it later, a few days later i started it up again and the rattle or knock seems to be gone, not sure but i think maybe a lifter but thought i would ask some pros, this is my first 7.3
thanks for any ideas
thanks for any ideas
Posting Guru
Joined: Sep 2008
Posts: 1,840
Likes: 1
From: On the prairie
Sometimes leaky injectors can sound like a bad knock. Try filling the fuel filter with seafoam or other similar cleaner, run the engine for 30 seconds or so then shut it off and let sit for a half hour. Then, take it for a drive and thrash it a couple of times. Then start using a quality fuel additive if you aren't already.
Lead Driver
Joined: Apr 2008
Posts: 6,939
Likes: 13
Pull the injectors and look for wet / soot caked tips. Back when i replaced mine i had two leaking and one was very sooty. Made a noticable difference, not that it was very bad in the first place, but lost the little smoke at idle, and did run smoother.
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RedDevil460
1999 - 2003 7.3L Power Stroke Diesel
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Mar 29, 2014 08:16 PM
