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Re: Engine knock
I have a 2000 Durango with a 5.9. I also hear the faint knock sometimes, mainly when the engine is cold. After warm ups, the knock sometimes go away. It sounds more like a thumping knock. Almost sound like a smog pump or something. The dealer heard it also and spend an entire day looking for it and cannot find it. What sux was they had to call a dodge engine specialist to check it out and after that call was made, the noise went away! haha. Always the case this way!
At idle, the noise is barely audible. But when I rev and hold it between 1200-1400 rpms, you can hear the faint thumping knock. Sounds like a air pump pumping air or something. That's the best description I can make on that thumping noise.
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